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Sugar Reset Green Tea and African Mango: What the Trials Found

Quick answer

Green tea and African mango seed extract both sit inside the 200 mg blend, with amounts not published. A 2020 review pooled 27 green tea trials for blood sugar. A 2013 review found three small African mango trials too weak to recommend. Neither tested this bottle, and green tea extract carries a liver note.

By the Sugar Reset Editorial DeskMedically reviewed by Dr. Edward La Cava, MD, FACELast updated

Sugar Reset bottle label, flat view

What do green tea and African mango do in Sugar Reset?

Two of the six names on the sales page are green tea leaf extract and African mango seed extract. They sound friendly. One is a drink many people know. The other is a fruit seed with a weight-loss reputation.

What they do inside this bottle is not published. The label lists both inside the 200 mg proprietary blend and prints no amount for either. So we cannot say how much of either you swallow.

What we can do is read the research our sources cite and see how far it reaches. The sales page includes the line Assist in Maintaining a Healthy Weight, so the African mango question is fair. The green tea question is fair too, because it brings caffeine and a safety note.

Key facts at a glance

  • Green Tea Leaf Extract and African Mango Seed Extract are both inside the 200 mg blend. Their amounts are not published.
  • A 2020 meta-analysis pooled 27 randomized trials of green tea for blood sugar. Evidence is limited.
  • A systematic review found 3 small trials of Irvingia gabonensis (African mango) seed extract for weight loss. Evidence is weak, and no standard dose was reported.
  • Concentrated green tea extract carries a liver-injury note in the sources we cite.
  • How much caffeine the guarana and green tea add per dropper is not published.
  • Sugar Reset is a dietary supplement. It is not FDA approved, and no supplement is.

What did the green tea trials find?

The main source is Xu and colleagues, 2020, a systematic review and meta-analysis of randomized trials of green tea for blood sugar control. It pooled 27 trials.

Our ingredients page sums up the pooled result in two parts. There was a small dip in fasting glucose. There was no meaningful change in HbA1c or insulin. That points to little longer-term benefit. Our source table rates the evidence as limited.

The doses differed from trial to trial. No one dose fits all of them, and none of them is the one in this bottle, because this bottle's green tea amount is not published.

A plain way to read it

A pooled result for green tea in a cup, a capsule or an extract is a result for those products at those doses. It is not a result for one dropper of a 22-name blend.

What should you know about green tea extract and safety?

A cup of green tea is not the same thing as a concentrated extract. For the drink, the NCCIH page on green tea does not flag major concerns beyond its caffeine. For concentrated extracts, our sources add a liver caution.

The LiverTox entry for green tea lists more than 100 cases of clinically apparent liver injury linked to green tea extract or its component EGCG. A few cases ended in liver failure, a transplant or death. Most people got better after stopping.

Separate human safety studies found that single doses up to 1.6 g were well tolerated, and that 9.9 g a day was the maximum tolerated dose. Those are limits from studies. They are not a suggested dose.

  • Anyone with liver disease should ask a clinician before using a product with green tea extract.
  • Dark urine, yellow skin or eyes, or unusual stomach pain are reasons to stop and see a doctor.
  • The label does not print the green tea amount, so we cannot say how close the bottle is to any limit.

How much caffeine is in the drops?

Guarana seed extract and green tea leaf extract both bring natural caffeine. The label prints no caffeine figure. How much caffeine the two extracts add per dropper is not published.

That matters because you may already take caffeine from coffee, tea, soda or other supplements. An unknown amount on top of a known one is hard to plan around. If you are sensitive, or if a clinician has set a caffeine limit for blood pressure, heart or anxiety reasons, ask before you start.

A common sense step is to take the drops earlier in the day, away from other caffeine. The sales page suggests morning. The label sets no time.

What did the African mango trials find?

African mango is Irvingia gabonensis seed extract. The key source is Onakpoya and colleagues, 2013, a systematic review of randomized trials in overweight and obesity.

It found only 3 small trials. Our ingredients page says they involved 208 people in total, and none was properly randomized, blinded or analysed. So the reviewers could not recommend Irvingia gabonensis for weight loss. Evidence is weak.

A consistent dose was not reported in the available review abstract, and our sources say a dose is not established. Our sources also did not find a dedicated safety review of the seed extract in people.

The label's African mango amount is not published. So this is a case where there is neither a firm dose in research nor an amount on the bottle.

Does the weight line on the sales page match the evidence?

The weight claim, line by line
ItemWhat is printed or found
Front label claimPromotes Metabolic Balance; no weight claim
Sales page line 4Assist in Maintaining a Healthy Weight
African mango evidence3 small trials; weak; reviewers could not recommend it for weight loss
Green tea evidence27 trials pooled for blood sugar; limited
Amounts on the labelNot published for either

A line that says assist in maintaining a healthy weight is a support statement. It does not promise weight loss. Food, movement, sleep and medicine drive weight, and no dropper replaces them. If weight is a medical concern for you, ask your clinician.

What about medicine and the rest of the blend?

Green tea and African mango are two names out of 22. The same blend holds gymnema and chromium, which may lower blood sugar, grapefruit extract, which can change how some medicines are handled, and a licorice compound. If you take glucose-lowering medicine, a blood thinner or any prescription with a grapefruit warning, ask your prescriber.

The label's caution asks pregnant or nursing mothers, children under 18 and anyone with a known medical condition to consult a physician first.

Label, price and guarantee facts
FactWhat is printed
Serving1 ml; 60 servings in a 2 fl oz (60 ml) bottle
Kits2 bottles $158; 3 bottles $207; 6 bottles $294
ShippingFree in the US on the 3 and 6 bottle kits
Guarantee60 days from purchase; buyer pays return shipping

Frequently asked questions

Does Sugar Reset contain green tea?

Yes. Green Tea Leaf Extract is one of the 22 names inside the 200 mg blend. The amount is not published.

Does green tea lower blood sugar?

A 2020 review pooled 27 randomized trials. It found a small dip in fasting glucose and no meaningful change in HbA1c or insulin. The evidence is limited.

Is green tea extract safe for the liver?

Concentrated extracts carry a liver-injury note in the sources we cite. Anyone with liver disease should ask a clinician, and dark urine or yellow skin means stop and see a doctor.

Does Sugar Reset contain African mango?

Yes. African Mango Seed Extract is inside the blend. The amount is not published.

Does African mango help with weight loss?

A 2013 review found 3 small trials too weak to recommend it for weight loss. Evidence is weak and no standard dose was reported.

How much caffeine is in Sugar Reset?

Guarana and green tea both add caffeine, and the amount per dropper is not published.

Our view

Our view: both ingredients have a friendly name and a thin evidence trail. Green tea gets a limited rating and a liver note. African mango gets a weak rating and no firm dose. Neither amount is on the bottle.

We would not buy this bottle for either name. If you buy it, buy it with open eyes, keep your usual care and use the 60-day window to judge. Ask a clinician about caffeine, liver health and medicine before the first dose.

For the weight angle in full, see the weight loss claim check, and caffeine and grapefruit.

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