ColestZen is a dietary supplement in capsule form, combining botanical extracts with vitamins and minerals. Each serving (2 capsules) is formulated to be taken daily as part of a routine supporting healthy cholesterol, heart, and blood sugar levels already within a normal range.
These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
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Full ingredient list as it appears on the product label. This manufacturer does not publish individual dosage amounts for these ingredients — so we're not able to show per-ingredient mg here. We'd rather say that plainly than estimate numbers we don't have.
| Ingredient | Dosage |
|---|---|
| Bitter Melon Extract | Not published |
| Cinnamon Bark | Not published |
| Licorice Extract | Not published |
| Gymnema sylvestre | Not published |
| Banaba Extract | Not published |
| Mulberry Fruit Powder | Not published |
| Yarrow Herb Powder | Not published |
| Cayenne Pepper Extract | Not published |
| Juniper Berry Powder | Not published |
| L-Taurine | Not published |
| Alpha Lipoic Acid | Not published |
| Vitamin C | Not published |
| Vitamin E | Not published |
| Biotin | Not published |
| Magnesium | Not published |
| Zinc | Not published |
| Manganese | Not published |
| Chromium | Not published |
A closer look at a few of the better-known ingredients in ColestZen's list — this section covers what the more recognizable ones are, not a claim about what this specific product will do for you.
A fruit extract traditionally used in several cuisines and herbal traditions. Clinical research on its effect on blood sugar has been mixed — a 2024 systematic review and meta-analysis of randomized trials in Frontiers in Nutrition concluded the evidence available was too inconsistent to determine a clear metabolic effect.
A common culinary spice extract, frequently included in metabolic-support formulas. A 2019 meta-analysis and meta-regression in Diabetes Research and Clinical Practice found cinnamon supplementation reduced fasting blood glucose and insulin resistance markers versus placebo across 16 randomized trials, though the authors noted high heterogeneity between the studies included.
An antioxidant compound naturally produced by the body in small amounts, commonly included in cardiovascular and metabolic wellness formulas. A 2022 narrative review in the Journal of Dietary Supplements found ALA supplementation associated with improved glucose metabolism and reduced oxidative stress in diabetes studies, but the same review noted conflicting data specifically on insulin metabolism — the mechanism most relevant to blood-sugar support.
A trace mineral commonly paired with blood-sugar-support ingredient blends. The NIH Office of Dietary Supplements chromium fact sheet describes a proposed role in carbohydrate, lipid, and protein metabolism by potentiating insulin action, though it also notes the precise mechanism hasn't been identified.
ColestZen's own label lists 18 ingredients, including chromium, without publishing an amount for any of them. NOW Foods Chromium Picolinate 200 mcg is a real alternative worth knowing about — a single ingredient at a stated, individual dose.
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The studies below back the research notes above — clickable, so you can read the original source yourself rather than take our summary on faith.