One Day MD | Evidence-Based Wellness

By Dr Frank Yap, MD | Medically reviewed by the One Day MD Editorial Team | Last updated: August 2026 | Original publication: March 2023 Quick Answer A 2024–2025 meta-analysis of 50 RCTs (4,150 patients) confirms berberine modestly but reliably lowers fasting glucose, HbA1c, LDL cholesterol and inflammatory markers in type 2 diabetes and metabolic syndrome — solid, Tier 1a evidence. It is not "nature's Ozempic." Semaglutide produces roughly 10–15%+ body-weight loss in trials; berberine averages only about 2–4 lb a month. The mechanisms and effect sizes aren't comparable. Typical dosing is 500 mg, 2–3x daily with meals (1,000–1,500 mg/day). Bioavailability — not the milligram number on the label — is the biggest real difference between brands. New in 2026: A draft EU/UK scientific opinion (EFSA/COT, March 2026) flagged in-vitro genotoxicity signals, confirmed the CYP3A4 drug-interaction risk, and stated that regulators cannot yet establish a formal "...

Quercetin with Bromelain for Weight Loss Some people believe that consuming quercetin, whether in foods or as a natural supplement, can help promote weight loss. However, there have been mixed reviews and conclusions on the effects of quercetin for weight loss and its effect on the expression of certain genes.  These inconsistent findings from the studies maybe are due to the difference in the range of fitness of the subjects, differences in research design, different methods in the preparation of quercetin extract, etc. In order to assist you in doing your own research, let's dive into some relevant studies and reviews. Matthew Solan , author of Doctor’s Detox Diet reports that quercetin can mimic the effect of calorie restriction. However, it shows to have a greater effect on weight loss when combined with other fat-fighting phytochemicals such as  resveratrol  and  genistein . Another interesting side effect of quercetin, as reported by  MuscularDevelopment.c...