Formula & Label
Sugar Defender Ingredients: The Complete Label Breakdown
Sugar Defender is a liquid drop supplement, not a capsule. Below is the full Supplement Facts panel as it appears on the physical label, followed by an honest, ingredient-by-ingredient look at what's actually in the bottle — including which ingredients have any relevant research behind them and which simply don't.
Supplement Facts
| Amount per serving | Details | |
|---|---|---|
| Serving Size: 1 mL | Servings Per Container: 60 | Net Contents: 60 mL / 2 fl oz | ||
| Chromium (as Chromium Picolinate) | 0.7 mcg | 2% DV |
| Proprietary Herbal Blend | 200 mg | ** |
| ** Daily Value (DV) not established. | ||
| Other ingredients: Deionized Water, Organic Citrus Extract, Natural Flavors, Stevia (Steviol Glycosides), Xylitol. | ||
Directions (verbatim from label): "Adults, take 1 mL a day or as directed by a healthcare professional."
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. The FDA does not approve or evaluate dietary supplements before they go to market — any "FDA-registered facility" language you may see in marketing describes the facility, not the product, and is a claim we report as marketing language rather than an independently confirmed fact.
What "proprietary blend" actually means
Everything under Chromium on the label is grouped into a single 200 mg "Proprietary Herbal Blend." Under U.S. labeling rules, a manufacturer can list a blend's total weight and the ingredients it contains, in descending order by amount, without disclosing how much of each individual ingredient is in the mix. That's legal and common in the supplement industry, but it has a real consequence for you as a buyer: there is no way to know from the label whether the chromium, gymnema, or ginseng in this bottle is present at a meaningful dose or a trace amount. Twenty-one ingredients — extracts, an amino acid list, and more — are sharing that 200 mg total, which is a small amount of material to distribute across that many components.
The 7 ingredients with the most relevant research
We maintain a fully sourced breakdown of the research on these ingredients on our Research & Evidence page. Below is a short summary of each; follow the link for the actual studies, sample sizes, and limitations.
Chromium (as Chromium Picolinate)
Chromium picolinate has the largest body of human research in this formula, including a meta-analysis of 25 randomized controlled trials showing modest average reductions in HbA1c and fasting glucose. Results across individual trials are inconsistent. See the full evidence summary.
Gymnema Sylvestre (leaf extract)
Small human trials, mostly under 65 participants, report reduced fasting and post-meal glucose with gymnema. A comprehensive review notes that clinical studies on this plant remain limited. See the full evidence summary.
Panax Ginseng (root extract)
A meta-analysis of 16 randomized trials found ginseng modestly reduced fasting blood glucose, with a larger effect in people who already had diabetes. Trial quality and standardization varied widely. See the full evidence summary.
Coleus Forskohlii (root extract)
A small 12-week randomized trial using isolated forskolin found improved insulin levels and a marker of insulin resistance. The trial was small and mostly female, so results may not generalize. See the full evidence summary.
African Mango (Irvingia gabonensis)
A 10-week placebo-controlled trial reported improvements in weight, cholesterol, and blood glucose. The trial was partly funded by the ingredient's supplier, a conflict of interest worth noting. See the full evidence summary.
Green Tea Leaf (catechins)
A meta-analysis of 22 trials found green tea catechins significantly lowered fasting glucose, though effective doses in those studies were far higher than a shared herbal-blend serving would likely provide. See the full evidence summary.
Eleuthero (Eleutherococcus senticosus)
Glucose-lowering activity has been shown in diabetic rodent studies, but human research on eleuthero is described as quite limited, and none of it addresses blood sugar specifically. See the full evidence summary.
The rest of the blend: no credible blood-sugar-specific research found
The remaining ingredients in the Proprietary Herbal Blend and the free-form amino acids are genuinely part of the formula — we're not suggesting otherwise — but during our research we did not find credible, ingredient-specific human studies tying them to blood glucose or insulin outcomes at typical supplement doses. We'd rather say that plainly than imply evidence that isn't there:
- Maca (Lepidium meyenii) root extract — traditionally used for energy and hormonal support; no blood-sugar-specific human research located.
- Grape (Vitis vinifera) seed extract — studied mainly for antioxidant and cardiovascular effects; no credible glucose-specific trial data found.
- Guarana (Paullinia cupana) seed extract — a caffeine-containing stimulant plant; researched for alertness and energy, not blood sugar.
- Astragalus membranaceus root extract — used in traditional herbal medicine; no verified human blood-glucose trials found for typical supplement doses.
- Capsicum annuum fruit extract — the compound behind chili pepper heat; studied for metabolism and appetite, not specifically for glucose control.
- Grapefruit (Citrus paradisi) seed extract — notable mainly for a well-documented, unrelated concern: grapefruit compounds can interact with how the liver processes many prescription drugs. See our safety page for detail.
- Raspberry ketones — popularized in weight-loss marketing; no credible human blood-glucose research found.
- L-Glutamine, L-Tyrosine, L-Arginine Base, Beta-Alanine, Monoammonium Glycyrrhizinate, GABA, L-Ornithine HCl, L-Tryptophan, L-Carnitine Base — a list of free-form amino acids and related compounds. Individually, these are researched in other contexts (exercise performance, mood, sleep), but we found no credible research connecting them, at the doses likely present in a shared 200 mg blend, to blood sugar regulation specifically.
None of this means these ingredients are harmful or pointless — it means we could not verify a blood-sugar-specific evidence base for them, and we won't manufacture one to make the formula sound more impressive than the research supports.
Other (non-active) ingredients
The label also lists Deionized Water, Organic Citrus Extract, Natural Flavors, Stevia (Steviol Glycosides), and Xylitol — the liquid base and flavoring system that carries the active ingredients and makes the drops palatable. Stevia and xylitol are both non-sugar sweeteners.
Warnings (verbatim from label)
For a full discussion of who should talk to a doctor first and why, see our dedicated Safety & Side Effects page.
Frequently asked questions
Is Sugar Defender a capsule or a liquid?
Sugar Defender is a liquid, sold as drops in a 60 mL (2 fl oz) bottle with a labeled serving size of 1 mL. It is not a capsule or tablet, despite some older marketing copy describing it that way.
Why doesn't the label show how much of each herb is in Sugar Defender?
Because the herbal ingredients are listed inside a single 200 mg "Proprietary Herbal Blend." That's a legal labeling practice that lets a manufacturer disclose the total blend weight without breaking out each ingredient's individual amount.
Does every ingredient in Sugar Defender have research behind it?
No. Seven ingredients (chromium, gymnema sylvestre, panax ginseng, coleus forskohlii, African mango, green tea leaf, and eleuthero) have some blood-sugar-related research, summarized on our Research & Evidence page. The remaining ingredients in the blend do not have credible, ingredient-specific human research tying them to blood glucose at typical supplement doses.
Continue reading: How Sugar Defender claims to work · Full research & evidence breakdown · Safety & side effects · Our full review