African mango
African Mango Blood Sugar Evidence: What the Irvingia Fruit Extract in Sugar Defender Can and Cannot Do
African mango blood sugar evidence is weak. Irvingia gabonensis fruit extract sits fourth in Sugar Defender's 200 mg blend, so one 1 mL serving holds at most 50 mg and about 9 mg on an even split. The one trial dose we found was 300 mg a day. Human glucose data are limited, and the weight studies were small.
Written by the Sugar Defender label deskUpdated
The plant01
What is African mango (Irvingia gabonensis)?
African mango is a West and Central African tree, Irvingia gabonensis, that bears a green, mango-like fruit with a large, flat seed inside.
It is not a true mango. The two trees are from different plant families.
Irvingia is sold mostly for weight management. Sugar Defender's sales page calls it a "Fat Burning Agent" (Sugar Defender sales page).
The Sugar Defender label lists "African Mango (Irvingia gabonesis) FruitExtract". The Latin name is misspelled on the panel; the correct form is gabonensis.
What the photo shows
The brand's photo shows a tree hung with green fruit. It shows the plant, not the extract.
The label gives no extract ratio, no standardization and no amount.
Label math02
How much African mango extract is in one dropper?
The label does not say. African mango is fourth of 22 in a 200 mg blend, which caps it at 50 mg per 1 mL serving.
A proprietary blend only has to show its total weight and the order of its ingredients, from most to least (21 CFR 101.36 (eCFR)). That order gives a ceiling but no floor.
The reasoning takes three steps. Maca, grape seed and guarana come first, so each weighs at least as much as African mango. Four equal shares of 200 mg would be 50 mg each. So African mango cannot exceed 50 mg.
An even split across all 22 lines gives about 9 mg. Only the maker knows the real figure.
| Scenario | Per day | Share of 300 mg trial dose |
|---|---|---|
| Even split of the blend | About 9 mg | About 3% |
| Label-order ceiling (place 4) | At most 50 mg | At most 17% |
| Trial: 150 mg before lunch and dinner (NIH ODS, Dietary Supplements for Weight Loss) | 300 mg | 100% |
| What is printed | Not published | Not published |
The full panel, word for word, is on the Sugar Defender supplement facts page.
Blood sugar03
Does African mango affect blood sugar?
Human evidence on African mango and blood sugar is limited. Memorial Sloan Kettering describes the glucose data in people as sparse (MSKCC, Irvingia gabonensis (African mango)).
Most of the signal comes from animals. MSK notes an added glucose effect in rats (MSKCC, Irvingia gabonensis (African mango)).
A rat result is a reason for care, not proof of benefit. It hints the extract might stack with a drug.
Nobody has tested Sugar Defender itself. Any African mango study used a single extract at its own dose, in its own group of people.
Weight04
Does African mango help with weight?
Not convincingly. MSK rates the African mango weight evidence as weak, with mostly small studies of poor method (MSKCC, Irvingia gabonensis (African mango)).
The NIH Office of Dietary Supplements describes one 10-week trial in 102 adults who took 150 mg before lunch and dinner. It says larger trials are needed (NIH ODS, Dietary Supplements for Weight Loss).
That is the context for the sales line "Fat Burning Agent". The label itself makes no weight claim, and we found no study that ties African mango to burning fat in the drops' amounts.
Small studies
Trials were few, short and small. Results from them often shrink when bigger groups are tested.
A higher dose
The trial gave 300 mg a day. A Sugar Defender serving holds at most 50 mg, probably less.
A different part
Weight products usually use the seed. The drops list the fruit, which may not act the same way.
Diet and activity have better data: the Diabetes Prevention Program cut type 2 risk 58% (NIDDK, Diabetes Prevention Program). See Sugar Defender claims vs evidence.
Fruit vs seed05
Is the African mango extract in Sugar Defender from the fruit or the seed?
The fruit. The panel reads "African Mango (Irvingia gabonesis) FruitExtract", with no mention of the seed.
That detail matters. Irvingia supplements and the studies behind them mostly use an extract of the seed, sometimes called the dika nut. Seed and fruit flesh are different tissues with different chemistry.
So seed research does not transfer neatly to a fruit extract. The label does not say whether "fruit" includes the seed.
What the label tells you
- The plant: Irvingia gabonensis (misspelled on the panel)
- The part: fruit extract
- The place: 4th of 22, so at most 50 mg per mL
What it leaves out
- The exact amount per serving
- Whether the seed is part of the "fruit"
- Any extract ratio or standardization
Sugar Defender: from $49 a bottle60 mL · 2, 3 or 6 bottles · free US shipping on 3 or 6 · 60-day money-back guarantee
See packsSafety06
What are the side effects of African mango?
Reported side effects of African mango include gas, headache and trouble sleeping. MSK also notes one case of kidney failure that needed dialysis (MSKCC, Irvingia gabonensis (African mango)).
One case report does not prove cause. People with kidney disease should still ask a doctor first.
MSK also lists diabetes drugs as a caution. On insulin or a sulfonylurea, low blood sugar is the risk to watch (NIDDK, Low Blood Glucose).
Never stop or change a diabetes medicine because you added a supplement. Tell your doctor or pharmacist that the drops contain Irvingia and 21 other blend ingredients.
- Kidney disease: ask before use, given the case report
- Diabetes medicines: watch for lows and keep your meter log
- Sleep trouble: guarana and green tea in the blend add caffeine
The full list of label warnings and interactions is on Sugar Defender side effects.
Verdict07
What African mango benefits are realistic in Sugar Defender?
Few. At a dose capped well below the one trial, and from the fruit rather than the seed, African mango is unlikely to change blood sugar or weight on its own.
Fair points
- Named on the label, with its Latin name
- Fourth place: one of the larger shares of the blend
Weak points
- Weak human evidence for weight or glucose
- At most 50 mg against a 300 mg trial dose
- Fruit extract, while research mostly used seed
Profile08
What does the African mango label profile show?
The profile lines up what the panel says about African mango with what research used, in one table.
| Name on the label | African Mango (Irvingia gabonensis) Fruit Extract |
|---|---|
| What it is | Irvingia gabonensis fruit |
| Place on the label | 4 of 22 in the 200 mg proprietary blend |
| Amount per mL (1 dropper) | Not listed; #4 of 22 in the 200 mg blend, so at most 50 mg per mL |
| Amount used in research | 150 mg twice a day (300 mg) |
| Strength of evidence | Weak, small trials |
| Marketed or traditional use | Sold for weight management |
| Main caution | Gas, headache, sleep problems; caution with diabetes drugs. |
Other lines09
Which other Sugar Defender ingredients are worth reading about?
Guarana sits one place above African mango and adds caffeine, and Panax ginseng has the most glucose research of the plant extracts.
Start with the full Sugar Defender ingredients list, or pick a line below.
FAQ10
African mango questions, answered
Does Irvingia gabonensis lower blood sugar in people?
There is no good human evidence that it does. MSK says human blood sugar data on Irvingia are limited, and the added glucose effect it mentions was seen in rats (MSKCC, Irvingia gabonensis (African mango)). That animal finding is mainly a reason for care if you take diabetes medicines.
Is African mango fruit extract the same as African mango seed extract?
No. The seed and the fruit flesh are different parts with different chemistry, and most Irvingia products and studies use the seed. Sugar Defender's label lists the fruit extract, so seed research may not apply. The label does not say whether the seed is included.
Can African mango help you lose weight?
The evidence is weak. MSK describes most African mango weight studies as small and poorly designed (MSKCC, Irvingia gabonensis (African mango)), and NIH notes one 10-week trial of 102 adults on 300 mg a day that still needs larger follow-up (NIH ODS, Dietary Supplements for Weight Loss). A dropper of Sugar Defender holds at most 50 mg.
What amount of African mango is in Sugar Defender?
The label does not print it. African mango is fourth of 22 in a 200 mg blend, so one 1 mL serving holds at most 50 mg, and about 9 mg if the blend were split evenly. The blend rules allow the maker to keep single amounts private (21 CFR 101.36 (eCFR)).
Is African mango safe for your kidneys?
Most reported side effects were mild, such as gas, headache and trouble sleeping. MSK also lists one case of kidney failure needing dialysis (MSKCC, Irvingia gabonensis (African mango)). One case cannot prove cause, but anyone with kidney disease should ask a doctor before taking any Irvingia product.
Why does Sugar Defender include African mango?
The brand does not explain its formula beyond the sales page, which calls African mango a "Fat Burning Agent" (Sugar Defender sales page). Irvingia is widely sold for weight management. The research does not back that claim at the amounts a 1 mL serving can hold.
Who wrote this11
Written and reviewed by
Pages built from the label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by Isugardefender, a Sugar Defender U.S. shop, not by the manufacturer or the distributor. We earn money when you buy through our order links.
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