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Acai Berry (1)
Acetyl-L-Carnitine Supplements (12)
Alginate Supplements (For Reflux) (5)
Aloe Juices, Gels, and Supplements (2)
Alpha-Lipoic Acid Supplements (12)
Apple Cider Vinegar (15)
Ashwagandha Supplements (40)
Astaxanthin Supplements (6)
Avocado Oil (6)
B Vitamin Supplements (194)
Berberine Supplements (16)
Black Currant, Borage, Evening Primrose, Flax and Hemp Seed Oil Review (12)
Bone Broth (4)
Calcium Supplements (51)
Cancer Prevention (1)
CBD & Hemp Extract Supplements (61)
Chia Seed (3)
Cholesterol-Lowering Supplements (Sterols/Stanols and Policosanol) (12)
Choline Supplements (21)
Chromium Supplements (1)
Cinnamon Supplements and Spices (24)
CLA Supplements (2)
Cocoa Powders, Dark Chocolate, Extracts, Nibs & Supplements (72)
Coconut and MCT Oils (15)
Coconut Waters (2)
Collagen Supplements (49)
CoQ10 and Ubiquinol Supplements (50)
Cranberry Juices and Supplements (20)
DHEA Supplements (1)
Digestive Enzymes (10)
D-Mannose Supplements (3)
Echinacea Supplements (3)
Elderberry Supplements (6)
Electrolytes (3)
Essential Oils (8)
Extra Virgin Olive Oil (45)
Fish Oil /Omega-3 Fatty Acid Supplements (256)
Flaxseed (14)
Fruits, Veggies, and Other Greens Supplements (17)
GABA Supplements (4)
Garcinia Cambogia (HCA) Supplements (7)
Garlic Supplements (12)
Ginger Supplements (20)
Ginkgo Supplements (8)
Ginseng Supplements (10)
Gluten-Free Grains (4)
Green Coffee Bean Extract Supplements (2)
Green Tea Supplements and Drinks (77)
HGH - human growth hormone (1)
Hoodia Supplements (1)
Huperzine A Supplements (2)
Inactive Ingredients (12)
Iron Supplements (53)
Joint Health for Animals (12)
Joint Health Supplements (26)
Kelp (Supplements) (5)
Lactose Intolerance Products (1)
L-Arginine Supplements (25)
L-Citrulline Supplements (2)
Lion's Mane and Chaga Mushroom Supplements (13)
Low-Dose Lithium Supplements (7)
L-Theanine Supplements (9)
L-tryptophan and 5-Hydroxy-L-tryptophan (5-HTP) (5)
Lycopene Supplements (7)
Lysine Supplements (1)
Maca Supplements (2)
Magnesium Supplements (74)
Manuka Honey (2)
Melatonin Supplements (89)
Menopause Supplements (23)
Milk Thistle Supplements (7)
Multivitamin and Multimineral Supplements (46)
Muscle & Workout Supplements (Creatine and BCAAs) (39)
NAC (N-Acetyl Cysteine) Supplements (24)
NAD Boosters (NAD+/NADH, Nicotinamide Riboside, and NMN) (27)
Nattokinase Supplements (1)
Nutrition Bars (7)
Nutritional Yeast (1)
Oats (Rolled and Steel-Cut) Review (20)
Olive Leaf Extract (1)
Phosphatidylserine Supplements (2)
Plant Based Milks (12)
Pomegranate Juice and Supplements (1)
Potassium Iodide/Iodate (Radioprotective Agents) (1)
Potassium Supplements (23)
PQQ (Pyrroloquinoline Quinone) (2)
Prebiotics (13)
Probiotics (158)
Prostate Supplements (Saw Palmetto and Beta-Sitosterol) (13)
Protein Powders (88)
Psyllium Fiber Supplements (16)
Quercetin & Rutin Supplements (14)
Red Yeast Rice Supplements (27)
Reishi Mushroom Supplements (11)
Resveratrol (Red Wine, Knotweed and Other Sources) (20)
Rice Review (White, Brown, Black, Wild, and Combination) (1)
Saffron Supplements (7)
SAMe Supplements (6)
Seaweed Snacks and Foods (3)
Selenium Supplements (14)
Sexual Enhancers (4)
Shelled Walnuts (Halves & Pieces) (4)
Shilajit Supplements (1)
St. John's Wort Supplements (6)
Taurine Supplements (1)
Tuna, Salmon, Sardines & Mackerel (38)
Turmeric and Curcumin Supplements and Spices (124)
Valerian Supplements (5)
Vision Supplements with Lutein, Zeaxanthin & AREDS2 Formulas (30)
Vitamin A Supplements (10)
Vitamin C (45)
Vitamin D Supplements (339)
Vitamin E Supplements (24)
Vitamin K Supplements (19)
Water Filter Pitchers (32)
Weight Loss Supplements (7-Keto DHEA, Forskolin and Stimulant Blend Supplements) (3)
Wellbutrin vs. Generic Bupropion (2)
Zinc Supplements, Lozenges, and Melts Review (29)
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Berberine Supplements

Berberine Blunders

October 16, 2025
Favorited Not Favorited
Think your berberine supplement is working? Think again! 7 out of 13 brands tested had little to NO berberine at all in recent tests. See which brands failed and which passed in the Quality Concerns section of our Berberine and Goldenseal Supplements Review, which includes our Top Picks for berberine.

RECENTLY APPROVED: Berberine

October 07, 2025
Favorited Not Favorited
Bone Science Prime Berberine was recently Approved for quality by ConsumerLab through our voluntary Quality Certification Program and added to our Berberine and Goldenseal Supplements Review.