Claims and evidence
Is there a supplement to lower blood sugar? What the claims leave out
Is there a supplement to lower blood sugar? No supplement is approved to do that. ADA's 2026 Standards of Care do not recommend herbs or micronutrients for glycemic benefit, and NCCIH found no reliable evidence that any herbal supplement controls diabetes. Olivaro's label lists 0.7 mcg of chromium and no trial tested it.
Written by the Olivaro label deskUpdated · 5 min read

The short answer
Is there a supplement to lower blood sugar?
Is there a supplement to lower blood sugar? No supplement is approved to do that. FDA does not approve dietary supplements, and a product meant to treat a disease is a drug (FDA 101 supplements).
ADA's 2026 Standards of Care do not recommend herbs or micronutrients for glycemic benefit, chromium included (ADA 2026, Standards of Care, supplements). NCCIH found no reliable evidence that any herbal supplement controls diabetes (NCCIH, Diabetes and dietary supplements).
What was measured
What do trials behind a reduce blood sugar supplement measure?
They measured fasting glucose and HbA1c in small groups, with mixed results.
| Ingredient | Who | What the review reported |
|---|---|---|
| Chromium | 10 trials, 509 people with type 2 diabetes | HbA1c was lower; fasting glucose was not (Zhao 2022, chromium type 2 diabetes meta) |
| Green tea extract | 6 trials, 382 people with prediabetes or type 2 diabetes | No difference in HbA1c or fasting glucose (Yu 2017, green tea glycemic meta) |
| Ginseng | 16 mostly short trials | Fasting glucose lower by 0.31 mmol/L; no HbA1c effect (Shishtar 2014, ginseng glycemic meta) |
The Olivaro label
How does the Olivaro label compare?
It does not line up, because the label prints almost no amounts. Olivaro lists 0.7 mcg of chromium, 2% of the 35 mcg Daily Value (0.7 / 35), and a 200 mg blend of 22 names with no individual amounts.
The front reads “Fasting Blood Sugar Health Support*”; we found no trial that tested that claim on this liquid.
- Chromium (mcg, not mg)0.7 mcg on the label
Reference level: the adequate intake for men is 35 mcg a day (NIH); the label's chromium is 0.7 mcg, 2% of the Daily Value; not a study dose. A reference level, not a study dose: the label is 2% of the level. (NIH ODS, Chromium)
- Gymnema (at most 200 mg, the whole blend)at most 200 mg: the whole blend
Reference: LiverTox gives 400 mg three times daily (1,200 mg) as the typical dose; the label prints no gymnema amount, and 200 mg is the whole 22-ingredient blend. A reference level, not a study dose. The label prints no amount for this ingredient. (LiverTox, Gymnema)
- Caffeine (reference level)at most 200 mg: the whole blend
Reference level: 400 mg a day is FDA's level for most healthy adults; the label states no caffeine amount (guarana and green tea are in the 200 mg blend). A reference level, not a study dose. The label prints no amount for this ingredient. (FDA, Spilling the Beans caffeine) (Schimpl 2013, guarana review)
- Stevia (study threshold)at most 200 mg: the whole blend
Study: a meta-analysis found a low-certainty glucose fall only at 3,342 mg a day or more; the label prints no stevia amount. Studies used about 17 times the 200 mg blend ceiling. (Zare 2024, stevia glucose meta)
- Any other blend ingredientat most 200 mg: the whole blend
The label prints no amount for the other 18 ingredients; 200 mg is the whole blend. We found no trial at the unstated amount. No human trial range found. (21 CFR 101.36(c), proprietary blends) (Saldanha 2023, proprietary blends perspectives)
Log scale: each gridline is ten times the one before. Chromium is in micrograms (mcg), the other rows in milligrams (mg). Blend rows have no printed amount, so 200 mg, the whole blend, is shown as the most any one could hold. A bar being far away does not mean the product is unsafe or useless; it means the study results cannot be borrowed for it, because none tested Olivaro or this 22-ingredient blend.

Olivaro liquid: 30 mL a bottle1 mL serving · 2, 3 or 6 bottles · from $49 a bottle · shipping at checkout
See the priceBefore you buy anything
What should you do before adding any supplement?
Ask a clinician or pharmacist first, especially if you take insulin or diabetes pills.
Keep taking prescribed medicine exactly as directed, and never stop or change it because of a supplement. The medicine-interactions guide lists questions to bring. Signs of severe low blood sugar (confusion, fainting, seizure), chest pain or trouble breathing: call 911.
The ingredients page lists all 22 blend names.

90-serving supply
3 bottles: 90 mL
$207$69 a bottle
Shipping at checkout · 60-day guarantee
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180-serving supply
6 bottles: 180 mL
$294$49 a bottle
Shipping at checkout · 60-day guarantee
See 6 bottlesSeller-listed prices; confirm at checkout (Olivaro sales site). Two bottles are also sold. If you take diabetes medicine or insulin, ask your clinician or pharmacist before you order.
FAQ
Olivaro questions people ask
Can a supplement replace diabetes medicine?
No. NCCIH says supplements should not replace medical treatment, and the Olivaro label says it is not intended to treat or prevent any disease. Never stop or change a prescribed medicine because of a supplement; ask your clinician or pharmacist first.
Why do labels say support if nothing is approved?
FDA allows a label to describe an effect on normal body structure or function if it carries the disclaimer that FDA has not evaluated it. That is a wording rule, not proof from a trial, and naming a disease would make the product a drug.
Does Olivaro have a trial behind it?
We found no trial of Olivaro or its 22-ingredient blend. The label prints 200 mg for the whole blend and no amount for any ingredient, so single-ingredient studies cannot be matched to a dose in the bottle.
Who wrote this
Written and reviewed by
Pages built from the label, the seller's brief and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is the information site of a USA Authorized Olivaro Retailer. It is not the manufacturer, and the label names Instituto Experience as the distributor. We earn money when you buy through our order links.
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