Zahler Berberine Supplement 1000mg with Clinically Evaluated Berbevis Complex and Berberine HCl - Barberry Supplements for Metabolism Support and Berberine Glucose Support for Adults (120 Capsules)
Buyers who want a solid pick and can tolerate a couple of trade-offs.
Consider another option if
You prefer fully transparent formulas over blends and ambiguous labeling.
Score breakdown
Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.
Dosage quality
3.6/10
Dosing looks weaker than ideal
Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).
A middling option. It may be usable, but weaker dosing makes better alternatives worth comparing.
Ingredient Analysis & Evidence
A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.
⚠ Strong evidence exists, but dose is below effective threshold
One of the weaker points: Dose is below the ranges usually used for stronger effects. The declared form is acceptable, but not among the best-absorbed options.
Scientific evidence
Meta-analysis
Lan et al. meta-analysis berberine and lipid profile
Evidence inferred from established knowledge, not directly linked studies
Adequate, but not a key strength: Clinical dosing guidance is limited for this ingredient.
No supporting studies or dosing references are currently available for this ingredient.
Zahler Berberine Supplement 1000mg with Clinically Evaluated Berbevis Complex and Berberine HCl - Barberry Supplements for Metabolism Support and Berberine Glucose Support for Adults (120 Capsules)
This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.
Still comparing options?
See the best Berberine supplements ranked with the same methodology, or keep exploring the database.