Guide
Blood Sugar Supplements: What Studies Show and How to Judge Any Label
A blood sugar supplement is a pill, powder or drop sold to support blood sugar. The American Diabetes Association says supplements have not been proven as an effective option for blood glucose, and NCCIH calls studies of chromium, cinnamon and berberine small and inconsistent. Ask a doctor or pharmacist first, and keep taking prescribed medicine.
Written by the Glyco Reset label deskUpdated
The category01
What is a blood sugar supplement?
A blood sugar supplement is a dietary product marketed to support blood sugar, often built on minerals, plant extracts or amino acids. It is not a medicine.
The FDA does not approve supplements before they reach the market, and makers are responsible for safety and labeling (FDA, Questions and Answers on Dietary Supplements). A claim about the structure or function of the body must carry a notice that the FDA has not evaluated it (FDA, Structure/Function Claims).
That is the meaning of phrases such as “Natural Blood Sugar Support”. They are marketing wording, not a finding, and natural does not mean safe (NCCIH, Using Dietary Supplements Wisely).
The evidence02
Do supplements for blood sugar work?
The evidence is weak. The American Diabetes Association says supplements have not been proven as an effective option for blood glucose, and that some could intensify diabetes medicines (ADA, Vitamins, Minerals, and Supplements (diabetes.org)).
NCCIH says there is no reliable evidence that any herbal supplement helps with diabetes. Small studies of chromium, cinnamon and berberine gave inconsistent results (NCCIH, Diabetes and Dietary Supplements).
A common comparison03
How do berberine and cinnamon compare?
Berberine and cinnamon are often put head to head, but no source we read compares them. Both appear in the same NCCIH finding of small, inconsistent studies (NCCIH, Diabetes and Dietary Supplements).
So neither wins. Neither is in Glyco Reset.
| Question | Berberine | Cinnamon |
|---|---|---|
| Studied for blood sugar? | Yes, small and inconsistent (NCCIH, Diabetes and Dietary Supplements) | Yes, small and inconsistent (NCCIH, Diabetes and Dietary Supplements) |
| Clear conclusion? | No | No |
| Head-to-head comparison? | None found | None found |
| Safe with diabetes medicine? | No source we read says so | No source we read says so |
A checklist04
How do you judge a blood sugar supplement label?
Judge any blood sugar supplement by its label, not its promises. There is no best-of list here, because no source ranks products.
| Check | What to look for |
|---|---|
| 1. Amounts | An amount for every ingredient. A blend total hides the split, which 21 CFR 101.36 allows (21 CFR 101.36 (eCFR), Supplement Facts and proprietary blends). |
| 2. Trial match | Does the bottle amount match the amount in any study? Check both numbers. |
| 3. Disease claims | Any promise to treat or fix a disease is a red flag (FDA, 6 Tip-offs to Rip-offs (health fraud)). |
| 4. Medicine warning | A warning about diabetes medicine and a pointer to your pharmacist. |
| 5. Stimulants | Caffeine sources with no caffeine amount, such as green tea or guarana. |
| 6. Proof of testing | A named certifier. The USP Verified Mark is one such mark (USP, Verified Mark). |
| 7. Reviews | Verified reviews only. The FTC bans fake reviews (FTC, Final rule banning fake reviews (press release)). |
The risks05
What are the risks of blood sugar supplements?
The main risks are low blood sugar when mixed with diabetes medicine, a hidden drug, and delay in real care. Each one has a source.
- Some ingredients can add to diabetes medicine and cause low blood sugar (ADA, Vitamins, Minerals, and Supplements (diabetes.org)).
- The FDA warned about a product sold for blood glucose that held undeclared glyburide and metformin (FDA, SugarMD Advanced Glucose Support (hidden drugs)). That alert covered one other product.
- The FDA has warned companies about products sold as diabetes treatments (FDA, Illegally Sold Diabetes Treatments).
Only blood tests diagnose diabetes and prediabetes. Keep taking prescribed medicine, and tell your doctor and pharmacist about every supplement (MedlinePlus, Metformin). Severe low blood sugar, fainting or a seizure is an emergency: call 911 (Mayo Clinic, Hypoglycemia).
The product06
How does Glyco Reset measure up on these checks?
Glyco Reset passes some checks and fails others. It prints a chromium amount and a blend total, but no amount for any of the 21 names.
The label lists chromium at 0.7 mcg. NIH describes trials that used 1,000 mcg a day, and no trial tested this bottle (NIH ODS, Chromium fact sheet for professionals). It names green tea and guarana with no caffeine figure, and no certifier. Tap a row for each line. See the proprietary blend for how a blend total works.
What it is. Chromium is a trace mineral. Picolinate is the form bound to a small acid. NIH's Adequate Intake is 20 to 35 mcg a day by age and sex.
Read it with care. The label amount is about 2% of the 35 mcg Daily Value. The trials NIH describes for diabetes used 1,000 mcg a day, and NIH says later results were inconsistent. No trial tested this bottle. (NIH ODS, Chromium fact sheet for professionals) (Balk 2007, Chromium and glucose metabolism (review))
What it is. One total weight for twenty-one named ingredients, listed in printed order. Federal rules let a label give the blend total and the names in descending order of weight.
Read it with care. The label does not say how much of each name is in the 200 mg, so no single ingredient can be compared to a studied amount. Every one of them is below 200 mg. (21 CFR 101.36 (eCFR), Supplement Facts and proprietary blends)
What it is. Gymnema sylvestre is a woody vine whose leaf is sold as an extract. LiverTox says leaf extracts lowered blood sugar in lab studies, and that effectiveness in diabetes has not been shown.
Read it with care. The usual supplement amount is far above what could fit in a shared 200 mg. Because gymnema leaf extracts lowered blood sugar in lab studies, anyone on diabetes medicine should ask a pharmacist first. (LiverTox, Gymnema)
What it is. Both contain caffeine. The label does not print a caffeine amount, so the caffeine in a dropper is unknown.
Read it with care. Green tea extract supplements have been linked to liver injury in case reports, at much larger amounts than could fit in the blend. Guarana can raise heart rate. No caffeine figure is on the label. (MSK, Green Tea (About Herbs)) (LiverTox, Green Tea) (MSK, Guarana (About Herbs)) (MedlinePlus, Caffeine)
What it is. A salt of glycyrrhizin, the sweet compound in licorice root. Sloan Kettering says the most common licorice side effect is high blood pressure with low potassium.
Read it with care. The label gives no amount. Licorice is listed as a caution with blood pressure medicines, diuretics and insulin or metformin. (MSK, Licorice (About Herbs)) (NCCIH, Licorice Root)
What it is. Five root extracts. Asian ginseng has some small cardiometabolic findings in a 2022 review; forskolin (from coleus) may interact with blood pressure medicine and blood thinners.
Read it with care. We found no source for maca, eleuthero or astragalus on blood sugar. No amounts are printed, so none of this can be tied to the bottle. (NCCIH, Asian Ginseng) (MSK, Forskolin / Coleus forskohlii (About Herbs))
What it is. Extracts sold for weight, antioxidant or heat claims. The label makes none of these claims.
Read it with care. Sloan Kettering says African mango may not suit people on diabetes medicine, and a review of raspberry ketone found mostly animal and cell evidence. (MSK, Irvingia gabonensis / African mango (About Herbs)) (Li 2022, Raspberry ketone metabolic activities (review))
What it is. Seven amino-acid-type ingredients. They are building blocks and signalling compounds that are also made in the body and found in food.
Read it with care. We found no source linking any of them to blood sugar at these amounts. The label prints no amounts. (NIH ODS, Dietary Supplements: What You Need to Know)
One scale for the milligram lines, so the bars compare fairly: the bars are drawn from the label's own amounts, not from any result. A bar says how much is on the label, never how well it works. Rows with no milligram amount have no bar.
It is a supplement, not a replacement for food, activity, checkups or medicine. Ask your doctor or pharmacist before you try it.

Before you buy07
What should you ask before taking a supplement?
Ask your pharmacist whether anything on the label interacts with your medicines, and your doctor whether it could change how often you test.
Do not skip, reduce or stop prescribed medicine for a supplement. Your prescriber decides that.
FAQ08
Blood sugar supplement questions
What is the best supplement for blood sugar?
No source we read ranks supplements, and the American Diabetes Association says none has been proven as an effective option for blood glucose. Use the label checklist above, and ask your doctor or pharmacist.
Is berberine better than cinnamon for blood sugar?
No source we read compares them. NCCIH describes small, inconsistent studies for both, with no clear conclusion. Neither is in Glyco Reset. Ask your pharmacist about interactions before trying either one.
Can you take blood sugar supplements with metformin?
Ask your pharmacist first. MedlinePlus says to tell your doctor and pharmacist about all supplements, and the ADA says some ingredients could intensify diabetes medicines. Keep taking metformin as prescribed.
What does “natural blood sugar support” mean on a label?
It is marketing wording, not a medical finding. The FDA does not approve supplements, and natural does not mean safe. Look at the ingredient amounts, the warnings and any named certifier instead.
How do you spot a fake blood sugar supplement?
Warning signs include a promise to treat a disease, hidden amounts, no named certifier and glowing reviews with no source. The FDA lists too-good-to-be-true promises and fake testimonials among the tip-offs to a rip-off.
Does Glyco Reset belong on a best-of list?
No source ranks it. The label prints chromium 0.7 mcg and a 200 mg blend of 21 names with no split, and no study tested it. Judge it with the seven checks above.
Who wrote this09
Written and reviewed by
Pages built from the bottle label and linked NIH, CDC, FDA, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is the information site of a U.S. stocking partner for Glyco Reset. It is not the manufacturer, and it is not the brand's sales page. We earn money when you buy through our order links.
Keep reading
More about Glyco Reset
U.S. stocking partner
Ready to try Glyco Reset?
Read the panel on your bottle, check with your pharmacist if you take any medicine, then pick a pack. Every pack carries the brand's money-back guarantee; confirm the terms at checkout.
- Order on the brand's order desk
- Money-back guarantee (confirm terms)
- Shipping shown at checkout


