African Mango: Benefits, Forms, Dosing, and Side Effects

African mango (Irvingia gabonensis) seed extract has gained popularity as a weight loss supplement, but the evidence base is extremely limited. Three short-term studies from a single research group in Cameroon — all funded by the ingredient supplier and patent holder — suggest modest effects on weight and cholesterol. Independent replication is lacking, and no established dosing, safety, or bioavailability data exist. This article examines every published study, the proposed mechanisms, safety considerations, and the traditional dietary uses of the African mango seed.

Table of Contents

• Overview
• Forms and Bioavailability
• Evidence for Benefits
• Recommended Dosing
• Safety and Side Effects
• Drug Interactions
• Dietary Sources
• References

Overview

African mango (Irvingia gabonensis, also called sweet bush mango, wild mango, or dika nut tree) is a tree species native to the tropical forests of West and Central Africa, particularly Nigeria, Cameroon, Ghana, and neighboring countries [1][2]. The tree produces a fruit similar in external appearance to the common mango (Mangifera indica), but the two species are botanically unrelated — African mango belongs to the family Irvingiaceae, while common mango belongs to Anacardiaceae [1][2].

Both the fruit flesh and the seed (kernel) of African mango are used as foods. The fruit pulp is consumed fresh and has a mango-like flavor, while the fat-rich seeds — commonly known as dika nuts or ogbono — have been a dietary staple in West African cuisine for centuries, used primarily as a thickening agent in soups and stews [1][2][3]. The seeds are rich in fat (approximately 54-67% by weight), protein (approximately 7-8%), and soluble fiber (including mucilaginous polysaccharides), giving them a distinctive viscous quality when ground and added to food [2][3][4].

In recent years, extracts from the seed have been popularized in the United States and other Western markets as a weight loss supplement ingredient [1]. This is a novel application — the current commercial use of concentrated African mango seed extracts for weight loss does not reflect the traditional dietary use of the seeds in West Africa [1].

The evidence base for African mango seed extract as a supplement is extremely limited. A single in vitro study suggested potential effects on fat cell development, and three small, short-term human trials (all conducted by the same research group in Cameroon, all funded by the ingredient supplier and patent holder) have examined weight loss and metabolic outcomes [1]. Independent replication by other research groups has not been reported [1]. This makes African mango one of the least evidence-supported supplements currently marketed for weight management.

Traditional Uses

In traditional West African medicine and cuisine, various parts of the Irvingia gabonensis tree have been used for different purposes [2][3]:

• Seeds (dika nuts): Ground into a paste called "dika bread" or "ogbono" and used as a thickening agent in soups, stews, and sauces. The high fat and mucilage content makes them an important caloric food source and cooking ingredient [2][3].
• Fruit pulp: Eaten fresh, juiced, or used to make jam, jelly, and wine. The pulp is a source of vitamin C and other micronutrients [2][3].
• Bark: Used in traditional medicine for ailments including diarrhea, hernia, and yellow fever, though scientific validation of these uses is lacking [2][3].
• Leaves and roots: Occasionally used in traditional remedies for various conditions [2].

The seeds contain substantial quantities of myristic acid (a 14-carbon saturated fatty acid, approximately 33-67% of total fat), lauric acid (approximately 18-52%), and oleic acid, giving the extracted fat (dika fat or dika butter) a semi-solid consistency at room temperature similar to cocoa butter [2][3][4]. This fat has been explored as a potential cocoa butter substitute in confectionery applications [2].

Proposed Mechanisms of Action

Several mechanisms have been proposed to explain the potential metabolic effects of African mango seed extract, though most are based on in vitro or animal data rather than confirmed human studies [2][5]:

• Adipogenesis inhibition: An in vitro study found that African mango seed extract inhibited the differentiation of 3T3-L1 preadipocytes into mature fat cells, suggesting a potential mechanism for reducing body fat accumulation [1][5]. Specifically, the extract appeared to suppress the expression of peroxisome proliferator-activated receptor gamma (PPAR-gamma) and other adipogenic transcription factors [5].
• Leptin sensitization: Some researchers have hypothesized that African mango seed extract may influence leptin signaling, potentially reducing leptin resistance and thereby decreasing appetite [2][5]. The IGOB131 study reported that extract-treated participants consumed fewer calories than the placebo group, consistent with an appetite-suppressing effect [1].
• Soluble fiber effects: The mucilaginous soluble fiber in African mango seeds may slow gastric emptying, promote satiety, and bind bile acids in the intestine — a mechanism shared with other soluble fibers (such as psyllium and beta-glucan) that has well-established cholesterol-lowering effects [1][2][6]. The researchers in the first clinical study noted that soluble fiber may help account for the cholesterol-lowering effect observed [1].
• Alpha-amylase inhibition: Some in vitro research suggests African mango seed extract may inhibit alpha-amylase and alpha-glucosidase enzymes, potentially slowing carbohydrate digestion and glucose absorption [2]. This mechanism, if confirmed in humans, could contribute to the blood glucose-lowering effects observed in clinical trials.
• Glycerol-3-phosphate dehydrogenase inhibition: In vitro data suggest the extract may inhibit this enzyme involved in triglyceride synthesis, potentially reducing fat storage [5].

It is important to note that in vitro and animal mechanisms frequently fail to translate to meaningful clinical effects in humans. The proposed mechanisms above should be considered speculative until confirmed by rigorous human trials.

Forms and Bioavailability

African mango supplements are derived from the seed (kernel), not the fruit pulp. The seed is the part that contains the fat, fiber, and bioactive compounds studied in clinical trials [1][2].

Available Supplement Forms

Form	Description	Study Dose	Notes
Crude seed extract	Minimally processed extract containing full spectrum of seed components	3.15 g/day	Used in the earliest clinical study. Higher dose reflects less concentrated preparation [1].
IGOB131	Standardized and patented African mango seed extract	150 mg twice daily (300 mg total)	Used in two more recent clinical studies. Patented by Gateway Health Alliances, Inc. [1][7].
Combination products	African mango extract combined with other weight loss ingredients	Varies	Third clinical study combined IGOB131 with veldt-grape (Cissus quadrangularis) extract [1][8].
Seed powder (whole ground seed)	Dried, ground African mango seeds	Not studied	Available as food ingredient (ogbono powder) but not clinically evaluated as a supplement [2].

IGOB131: The Most-Studied Extract

IGOB131 is a proprietary, standardized extract of Irvingia gabonensis seed developed and patented by Gateway Health Alliances, Inc. [7]. It is the extract used in two of the three published clinical trials and is the form most commonly found in commercial African mango supplements marketed in the United States and internationally [1][7].

Key characteristics of IGOB131:

• Standardized extraction process (specific details are proprietary)
• Used at 150 mg twice daily (300 mg/day total) in clinical trials [1][7]
• Taken 30-60 minutes before meals in the study protocols [7]
• The patent holder funded all published clinical trials [1]

Bioavailability Considerations

No formal pharmacokinetic or bioavailability studies have been published for any form of African mango seed extract [2]. This is a significant gap in the evidence base — without bioavailability data, it is impossible to determine what percentage of the active compounds is absorbed after oral ingestion, whether the crude extract and IGOB131 deliver equivalent amounts of bioactive compounds, what the optimal timing of intake is relative to meals, or whether there are dose-response relationships for absorption.

The soluble fiber component of the seed extract is likely not systemically absorbed but rather exerts effects locally in the gastrointestinal tract (binding bile acids, slowing gastric emptying, promoting satiety) [2][6]. Any systemically active compounds (if they exist) would need to be absorbed through the intestinal wall, but their identity and absorption characteristics have not been characterized.

How African Mango Differs from Common Mango

Consumers sometimes confuse African mango (Irvingia gabonensis) with common mango (Mangifera indica) supplements. These are entirely different species [1][2]:

• African mango supplements are made from the seed/kernel of Irvingia gabonensis and are marketed primarily for weight loss
• Common mango leaf and fruit extracts (such as Zynamite, a mangiferin-rich extract from Mangifera indica) have different bioactive compounds and different clinical applications (e.g., cognitive function, exercise performance)
• The two should not be considered interchangeable

Evidence for Benefits

Critical Assessment of the Evidence Base

Before examining individual studies, it is essential to understand the severe limitations of the African mango research base [1]:

• All human trials come from a single research group based in Cameroon (led by Oben, Ngondi, and colleagues). Independent replication is absent.
• All trials were funded by the ingredient supplier and patent holder (Gateway Health Alliances, Inc.), creating a significant financial conflict of interest.
• All trials were short-term (4 to 10 weeks), far too brief to establish long-term efficacy or safety.
• Sample sizes were small (28 to 72 participants per group in the relevant study arms).
• Effect sizes reported are unusually large for a dietary supplement, raising questions about study methodology and reporting.
• No independent group has attempted or published a replication study, which is highly unusual for a supplement with significant commercial sales.

These limitations collectively mean the evidence should be classified as preliminary at best. Weight loss supplements with initially promising but unreplicated results from conflicted researchers have a long history of failing to hold up under independent scrutiny.

Weight Loss

Study 1: Crude Seed Extract (Ngondi et al., 2005)

The first published clinical study examined a crude extract of African mango seed in obese adults in Cameroon [1][9].

• Design: Randomized, double-blind, placebo-controlled trial
• Participants: 40 obese adults (BMI not specified); 28 received African mango extract, 12 received placebo
• Intervention: 3.15 g daily of crude African mango seed extract (1.05 g three times daily, taken 30 minutes before meals)
• Duration: 4 weeks
• Diet: All participants were placed on a low-fat, low-calorie diet (1,800 kcal/day)
• Results: The African mango group showed reductions in body weight, waist circumference, total cholesterol, LDL cholesterol, and triglycerides, and an increase in HDL cholesterol. The placebo group (also on the 1,800 kcal diet) did not lose weight [1][9].
• Limitations: Small sample size (particularly the placebo group of only 12), unequal group allocation (28 vs 12), short duration, single-site, and the calorie-restricted diet makes it difficult to attribute weight loss specifically to the supplement. The fact that the placebo group did not lose weight on an 1,800 kcal diet raises methodological questions [1][9].

Study 2: IGOB131 Extract (Ngondi et al., 2009)

The second study used the standardized IGOB131 extract in overweight and obese adults [1][7].

• Design: Randomized, double-blind, placebo-controlled trial
• Participants: 102 overweight or obese adults; approximately half assigned to each group
• Intervention: IGOB131 150 mg twice daily (300 mg/day total), taken 30-60 minutes before lunch and dinner
• Duration: 10 weeks
• Diet: No specific dietary restrictions imposed
• Results: Significant reductions in body weight, body fat percentage, and waist circumference in the IGOB131 group versus placebo. Reductions in total cholesterol, LDL cholesterol, and fasting blood glucose. Participants taking IGOB131 consumed significantly fewer calories per day than those in the placebo group (mean intake: 2,767 kcal vs 3,156 kcal, respectively). Little weight loss was observed in the placebo group [1][7].
• Limitations: Same research group and funder as Study 1, single-site in Cameroon, self-reported dietary intake (prone to bias), and the effect sizes for a 300 mg/day supplement are unusually large [1][7].

Study 3: IGOB131 + Cissus quadrangularis Combination (Oben et al., 2008)

The third study tested a combination product containing both IGOB131 and veldt-grape (Cissus quadrangularis) extract [1][8].

• Design: Randomized, double-blind, placebo-controlled trial
• Participants: 72 overweight and obese adults divided into multiple groups (placebo, Cissus quadrangularis alone, Cissus quadrangularis + IGOB131 combination)
• Intervention: Combination group received Cissus quadrangularis extract (150 mg) plus IGOB131 (150 mg) twice daily
• Duration: 10 weeks
• Results: Significant reductions in body weight, body fat, waist size, total cholesterol, LDL cholesterol, and fasting blood glucose in the combination group compared to placebo. The combination appeared to produce greater effects than Cissus quadrangularis alone [1][8].
• Limitations: Because the study used a combination product, the effects cannot be attributed to African mango alone. Same research group and funder as the other two studies [1][8].

Systematic Reviews

A 2013 systematic review by Onakpoya et al. examined the available evidence for Irvingia gabonensis and weight loss [10]. The review identified the same three trials described above and concluded that while pooled data suggested significant reductions in body weight and waist circumference, all included studies were at high risk of bias due to methodological concerns, lack of intention-to-treat analysis, and conflicts of interest. The authors concluded that the evidence was "insufficient to recommend Irvingia gabonensis for body weight reduction" and called for larger, more rigorous, independently funded trials [10].

A 2020 review of natural supplements for obesity also examined African mango and reached similar conclusions — the evidence is preliminary, comes from a single research group, and cannot be considered reliable until independently replicated [11].

Cholesterol and Lipid Profiles

All three clinical trials reported improvements in lipid parameters in the African mango groups compared to placebo [1][7][8][9]:

Study 1 (Ngondi et al., 2005): Reduced total cholesterol, LDL cholesterol, and triglycerides while increasing HDL cholesterol. The researchers specifically noted that the soluble fiber content of African mango seed extract may help account for the cholesterol-lowering effect — a plausible mechanism given that other soluble fibers (psyllium, beta-glucan, pectin) have well-established cholesterol-lowering properties [1][6][9].

Study 2 (Ngondi et al., 2009): Reduced total cholesterol and LDL cholesterol [1][7].

Study 3 (Oben et al., 2008): Reduced total cholesterol and LDL cholesterol, though these effects cannot be separated from the Cissus quadrangularis component [1][8].

Context — Soluble Fiber and Cholesterol: The cholesterol-lowering effect attributed to African mango seed extract may be largely explained by its soluble fiber content rather than any unique pharmacological property [1][6]. Soluble fibers reduce cholesterol through a well-characterized mechanism: they bind bile acids in the intestinal lumen, preventing their reabsorption and forcing the liver to synthesize new bile acids from cholesterol, thereby reducing circulating LDL cholesterol [6][12]. This mechanism has been demonstrated for psyllium husk (LDL reduction of approximately 5-10% at 7-10 g/day), beta-glucan (LDL reduction of approximately 4-7% at 3+ g/day), and pectin (LDL reduction of approximately 7-10%) [6]. If the cholesterol-lowering effect of African mango seed extract is primarily due to its soluble fiber content, established fiber supplements with far more evidence may provide equal or superior benefits at lower cost and with well-characterized safety profiles.

Blood Glucose

Studies 2 and 3 both reported reductions in fasting blood glucose in participants taking African mango extract compared to placebo [1][7][8]. Proposed mechanisms include alpha-amylase and alpha-glucosidase inhibition (slowing carbohydrate digestion) and improved insulin sensitivity, though these mechanisms have only been demonstrated in vitro [2][5].

The blood glucose effects should be interpreted with caution: the same limitations that apply to the weight and cholesterol data apply equally to the glucose data; weight loss itself improves blood glucose control, so any glucose-lowering effect may be secondary to weight reduction rather than a direct pharmacological action of the extract; and no studies have examined African mango in diagnosed diabetic populations or compared it to established glucose-lowering interventions.

Fat Cell Development (In Vitro)

A single in vitro study found that African mango seed extract inhibited the differentiation of 3T3-L1 preadipocytes (a mouse cell line commonly used in adipogenesis research) into mature fat cells [1][5]. The extract appeared to downregulate PPAR-gamma, C/EBP-alpha, and other transcription factors involved in adipocyte differentiation [5]. This finding has not been confirmed in human studies and should be considered hypothesis-generating only. Many compounds that inhibit adipogenesis in cell culture fail to produce clinically meaningful effects in humans due to differences in bioavailability, metabolism, and the complexity of whole-body energy regulation.

Summary of Evidence Quality

Outcome	Number of Trials	Total Participants	Quality Rating	Conclusion
Weight loss	3	~214	Very low	All trials from single group, industry-funded, no independent replication
Cholesterol reduction	3	~214	Very low	May be explained by soluble fiber content rather than unique pharmacology
Blood glucose reduction	2	~174	Very low	May be secondary to weight loss; not studied in diabetic populations
Fat cell inhibition	1 (in vitro)	N/A	Preclinical only	Cell culture data only; not validated in humans

Recommended Dosing

No established recommended dose exists for African mango supplementation. No government health agency, professional medical organization, or independent scientific body has issued dosing recommendations for this supplement [1][2].

Doses Used in Clinical Research

Form	Daily Dose	Schedule	Duration	Study
Crude seed extract	3.15 g	1.05 g three times daily, 30 min before meals	4 weeks	Ngondi et al., 2005 [9]
IGOB131 extract	300 mg	150 mg twice daily, 30-60 min before meals	10 weeks	Ngondi et al., 2009 [7]
IGOB131 + Cissus	300 mg IGOB131 + 300 mg Cissus	Twice daily	10 weeks	Oben et al., 2008 [8]

Important Dosing Caveats

• The substantial difference between the crude extract dose (3.15 g/day) and the IGOB131 dose (300 mg/day) — more than 10-fold — reflects the concentration process, but no dose-finding or dose-response studies have been conducted [1]
• No minimum effective dose has been established
• No maximum safe dose has been determined
• The 10-week study duration is the longest trial conducted; effects beyond this timeframe are unknown [1]
• Timing relative to meals (30-60 minutes before eating) was used in the studies but has not been compared to other timing regimens [7]

Given that all evidence comes from a single research group funded by the ingredient supplier, with no independent replication, there is insufficient data to make a confident dosing recommendation for any indication. Individuals considering African mango supplements should discuss the very limited evidence base with a healthcare provider before use.

Safety and Side Effects

Clinical Trial Safety Data

No dedicated safety or toxicology studies have been published for African mango seed extract supplements in humans [1][2]. The safety data that exists comes entirely from the three clinical trials described above, which were not designed as safety studies:

• No specific adverse effects were reported in any of the three published clinical trials [1]
• However, these trials were small (28-72 participants per relevant group), short-term (4-10 weeks), and were not powered to detect rare or delayed adverse effects [1]
• Adverse event reporting in the published papers was minimal, raising questions about whether comprehensive safety monitoring was conducted [1]

Historical Food Safety

The fruit and seeds of Irvingia gabonensis have a long history of use as food in West Africa, which provides some reassurance about the safety of the whole food form [1][2][3]. However, there are important distinctions between food and supplement use:

• Traditional food use involves consuming the whole seed (ground into paste or powder) as part of a mixed diet, not concentrated extracts [2][3]
• Supplement use involves taking standardized extracts (such as IGOB131) at doses and in forms not consumed traditionally [1]
• A history of safe food use does not guarantee the safety of concentrated extracts, which may contain different ratios of bioactive compounds [1]
• The dose and form matter: many plant compounds that are safe in food quantities can cause adverse effects at supplemental doses

Potential Safety Concerns

Gastrointestinal effects: Given the high soluble fiber content of African mango seed, gastrointestinal side effects such as bloating, gas, abdominal discomfort, and diarrhea are plausible, particularly at higher doses or when first initiating supplementation [2][6]. These are common with soluble fiber supplements generally.

Hypoglycemia risk: Two of the three clinical trials reported reductions in fasting blood glucose [1][7][8]. While this may be desirable in individuals with elevated blood glucose, it raises the risk of hypoglycemia in individuals taking diabetes medications (insulin, sulfonylureas, or other glucose-lowering drugs), individuals with reactive hypoglycemia, and those who are fasting or on very low-calorie diets.

Allergic reactions: As with any plant-derived supplement, allergic reactions are possible. Individuals with known allergies to Irvingia species or related plants should avoid use [2].

Quality and contamination: Because African mango supplements are sourced from wild-harvested trees in West Africa and processed through various supply chains, there is potential for contamination with heavy metals, pesticides, or other adulterants. Products may also contain undeclared ingredients, particularly in combination formulas marketed for weight loss [2].

Special Populations

Pregnancy and breastfeeding: No safety data exist for African mango supplements during pregnancy or lactation. Use is not recommended [2].

Children: No pediatric studies have been conducted. Use in children is not recommended [2].

Liver or kidney disease: No studies have been conducted in individuals with hepatic or renal impairment. Use with caution and under medical supervision in these populations.

Pre-surgical: Given the potential effects on blood glucose, it may be prudent to discontinue African mango supplements at least 2 weeks before scheduled surgery, consistent with general guidance for dietary supplements that may affect blood glucose.

Drug Interactions

No formal drug interaction studies have been published for African mango supplements [1][2]. The following potential interactions are based on the pharmacological effects observed in clinical trials and theoretical considerations.

Potential Interactions Based on Observed Effects

Drug Class	Examples	Potential Interaction	Risk Level
Diabetes medications	Metformin, insulin, sulfonylureas, SGLT2 inhibitors, GLP-1 agonists	Additive blood glucose lowering; increased hypoglycemia risk	Moderate (theoretical)
Cholesterol-lowering drugs	Statins, ezetimibe, bile acid sequestrants, PCSK9 inhibitors	Additive cholesterol reduction; possible altered drug absorption if taken simultaneously (fiber binding)	Low-Moderate (theoretical)
Blood thinners	Warfarin, aspirin, clopidogrel	Unknown; no data available	Unknown
Appetite suppressants	Phentermine, GLP-1 agonists (for weight loss)	Potential additive appetite-suppressing effects; excessive calorie restriction possible	Low (theoretical)

Fiber-Related Drug Absorption Interactions

Because African mango seed extract contains significant soluble fiber, it may reduce the absorption of co-administered medications through the same mechanism as other fiber supplements [6][12]. Soluble fibers can form a viscous gel in the gastrointestinal tract that physically traps medications, reducing their absorption. This is a well-documented effect with psyllium, guar gum, and other soluble fiber supplements. General recommendation: Separate African mango supplements from medications by at least 2 hours to minimize potential interference with drug absorption [6].

It bears repeating that no drug interaction studies have been conducted specifically for African mango [1][2]. The interactions listed above are theoretical and based on the supplement's observed pharmacological effects. Individuals taking prescription medications should consult their healthcare provider before adding African mango supplements.

Dietary Sources

The African Mango Fruit

The fruit of Irvingia gabonensis is a drupe (stone fruit) approximately 4-7 cm in diameter with a green to yellow skin when ripe [2][3]. The fruit pulp has a sweet, slightly fibrous texture similar to common mango, is consumed fresh, juiced, or processed into jam, jelly, and wine in West and Central Africa [2][3], and contains vitamin C, beta-carotene, and various minerals, though detailed nutritional composition data are limited [3]. The fruit is highly perishable and typically consumed locally rather than exported [2].

The Seeds (Dika Nuts / Ogbono)

The seeds are the commercially and nutritionally more important part of the fruit in traditional use [2][3][4]. They are large, flat, and oil-rich (approximately 54-67% fat by dry weight), traditionally dried and then ground into a powder or paste for use in cooking, and known by various local names: "ogbono" (Nigeria), "dika nut" (general West Africa), "etima" (Cameroon), "andok" (Cameroon/Gabon) [2][3].

Nutritional Composition of African Mango Seeds

Nutrient	Approximate Content (per 100g dry seed)	Notes
Total fat	54-67 g	Predominantly saturated (myristic and lauric acids) [3][4]
Protein	7-8 g	Contains various amino acids [3]
Carbohydrates	15-20 g	Includes significant soluble fiber (mucilage) [3]
Fiber (soluble)	14-17 g	Mucilaginous polysaccharides responsible for thickening properties [3][4]
Calcium	~120 mg	[3]
Iron	~3-4 mg	[3]
Phosphorus	~500-700 mg	[3]
Energy	~600-700 kcal	High caloric density due to fat content [3][4]

Fatty Acid Profile of Seed Oil (Dika Fat)

Fatty Acid	Approximate % of Total Fat	Type
Myristic acid (C14:0)	33-67%	Saturated
Lauric acid (C12:0)	18-52%	Saturated
Oleic acid (C18:1)	2-8%	Monounsaturated
Palmitic acid (C16:0)	1-5%	Saturated
Stearic acid (C18:0)	1-3%	Saturated

The high saturated fat content of the seed (predominantly myristic and lauric acids) is noteworthy in the context of cardiovascular health. While the clinical trials reported cholesterol-lowering effects of the extract, the whole seed contains substantial saturated fat, which in other dietary contexts is associated with increased LDL cholesterol [4]. This apparent paradox has not been satisfactorily explained — it may relate to the fiber content offsetting the saturated fat effects, or to the extraction process removing much of the fat from the supplement form.

Traditional Food Preparations

Ogbono soup (Nigeria): The most common traditional preparation. Dried dika nut seeds are ground into a powder and added to a pot with palm oil, stock, and various proteins (fish, meat, or seafood). The mucilaginous quality of the ground seeds creates a characteristic thick, slimy texture. Vegetables such as spinach, bitter leaf, or pumpkin leaves are often added [2][3].

Dika bread/paste (various countries): The seeds are processed into a fermented paste that can be stored for extended periods and used as a flavoring and thickening agent [2][3].

Chocolate substitute: Dika fat has been explored commercially as a cocoa butter substitute or extender in confectionery due to its similar melting point and texture properties, though this use remains limited [2][4].

Availability Outside West Africa

African mango is not widely available as a fresh fruit or traditional food ingredient outside of West and Central Africa [1][2]. In other regions, the fruit is rarely found in markets due to its perishability. Dried ogbono seed powder can be purchased from African specialty food stores or online retailers, primarily marketed to West African diaspora communities for soup preparation. The most widely available commercial form outside Africa is the concentrated seed extract supplement (IGOB131 and similar products) marketed for weight loss [1]. There is no common dietary equivalent in Western diets.

Compared to Common Mango

Characteristic	Common Mango (Mangifera indica)	African Mango (Irvingia gabonensis)
Family	Anacardiaceae	Irvingiaceae
Primary edible part	Fruit pulp	Seed (kernel)
Flavor	Sweet, tropical	Pulp: mango-like; Seed: nutty, oily
Availability	Worldwide, year-round	West/Central Africa; limited export
Supplement use	Leaf extract (mangiferin)	Seed extract (IGOB131)
Key bioactives	Mangiferin, vitamin C, beta-carotene	Soluble fiber, fatty acids

References

1. ConsumerLab.com, "African Mango Supplements Review." Accessed 2024. https://www.consumerlab.com/reviews/african-mango-supplements-review/african-mango/

2. Lowe AJ, Gillies ACM, Wilson J, Dawson IK. "Conservation genetics of bush mango from central/west Africa." Mol Ecol. 2000;9(7):831-841. Also: Ethnobotanical reviews of Irvingia gabonensis in traditional West African medicine and food systems.

3. Ekpe OO, Umoh IB, Eka OU. "Effect of a typical rural processing method on the proximate composition and amino acid profile of bush mango seeds (Irvingia gabonensis)." Afr J Food Agric Nutr Dev. 2007;7(1):1-12.

4. Leakey RRB. "Potential for novel food products from agroforestry trees: a review." Food Chem. 1999;66(1):1-14.

5. Oben JE, Ngondi JL, Blum K. "Inhibition of Irvingia gabonensis seed extract (OB131) on adipogenesis as mediated via down regulation of the PPARgamma and leptin genes and up-regulation of the adiponectin gene." Lipids Health Dis. 2008;7:44. https://doi.org/10.1186/1476-511X-7-44

6. Hartley L, May MD, Loveman E, Colquitt JL, Rees K. "Dietary fibre for the primary prevention of cardiovascular disease." Cochrane Database Syst Rev. 2016;(1):CD011472. https://doi.org/10.1002/14651858.CD011472

7. Ngondi JL, Etoundi BC, Nyangono CB, Mbofung CM, Oben JE. "IGOB131, a novel seed extract of the West African plant Irvingia gabonensis, significantly reduces body weight and improves metabolic parameters in overweight humans in a randomized double-blind placebo controlled investigation." Lipids Health Dis. 2009;8:7. https://doi.org/10.1186/1476-511X-8-7

8. Oben JE, Ngondi JL, Momo CN, Agbor GA, Sobgui CSM. "The use of a Cissus quadrangularis/Irvingia gabonensis combination in the management of weight loss: a double-blind placebo-controlled study." Lipids Health Dis. 2008;7:12. https://doi.org/10.1186/1476-511X-7-12

9. Ngondi JL, Oben JE, Minka SR. "The effect of Irvingia gabonensis seeds on body weight and blood lipids of obese subjects in Cameroon." Lipids Health Dis. 2005;4:12. https://doi.org/10.1186/1476-511X-4-12

10. Onakpoya I, Davies L, Ernst E. "Irvingia gabonensis (African mango) supplements for body weight and blood lipids: a systematic review and meta-analysis of randomized controlled trials." J Complement Integr Med. 2013;10(1). https://doi.org/10.1515/jcim-2012-0021

11. Bhat SP, Sharma A, Bhat SV. "Natural products as anti-obesity agents: A review." Int J Pharm Sci Res. 2020.

12. Brown L, Rosner B, Willett WW, Sacks FM. "Cholesterol-lowering effects of dietary fiber: a meta-analysis." Am J Clin Nutr. 1999;69(1):30-42. https://doi.org/10.1093/ajcn/69.1.30