Tier 4 — mechanistic
Variability in Potency Among Commercial Preparations of Berberine
Journal of dietary supplements
2018
15(3):343-351
Bibliography
- PubMed
- PMID 28792254
- PubMed Central
- PMC5807210
- Funding
- Indexed support: NIGMS NIH HHS. See the publication for grant details.
- Competing interests
- A complete competing-interest declaration was not available in the accessible source; no absence of conflicts is inferred.
Study snapshot
| Design | Commercial product-potency analytical study |
|---|---|
| Model | Commercial supplement samples |
| Sample | 15 commercial products; 3 capsules assayed per product |
| Intervention | Analytical measurement of berberine content against label claims |
| Duration | One market sampling/assay study |
| Endpoints | Measured berberine content against label claim; Capsule/product variability; Association between cost and potency |
What the study showed, in plain terms
Key findings
What this study can and cannot tell us
Citation network
Articles citing this research paper
Biohack Blueprint analyses that reference this study in their evidence base.
- Best Berberine Supplements: Formulas, Testing and Value ComparedCompare the best berberine supplement options using official labels, testing claims, active amounts, current price context, safety and clear buying criteria.Read analysis
- Berberine Gummies vs Capsules: Dose, Ingredients and EvidenceBerberine gummies vs capsules and liquids: compare active doses, servings, ingredients, absorption claims, testing, cost and human evidence.Read analysis
- Berberine HCl: Hydrochloride, Plant Extracts and Label DifferencesWhat is berberine HCl? Understand hydrochloride, salt and extract amounts, 500 mg labels, enhanced formulations, human evidence and product quality.Read analysis
- Berberine for Cholesterol: LDL, ApoB and Triglyceride EvidenceBerberine for cholesterol explained: LDL, triglycerides, apoB, 2026 sex-specific findings, statin questions, study limitations and product selection.Read analysis
- Berberine Side Effects: Digestive Symptoms and Long-Term SafetyUnderstand berberine side effects, digestive complaints, glucose concerns, heart-rhythm reports, long-term safety limits and when to seek medical help.Read analysis
- Berberine for Weight Loss: Results, Before and After Claims and EvidenceDoes berberine help weight loss? Compare pooled results, the 2026 BRAVO trial, belly-fat claims, before-and-after reviews, timelines and safety.Read analysis
- Berberine Benefits: What Human Studies Actually ShowExplore berberine benefits for blood sugar, cholesterol, weight and gut health, with human trial results, 2026 updates, safety and formulation differences.Read analysis
Editorial review
Reviewed by the Biohack Blueprint research team
Last verified
