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Acai Berry (2)
Acetyl-L-Carnitine Supplements (12)
Alginate Supplements (For Reflux) (6)
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Alpha-Lipoic Acid Supplements (13)
Apple Cider Vinegar (17)
Ashwagandha Supplements (45)
Astaxanthin Supplements (6)
Avocado Oil (6)
B Vitamin Supplements (200)
Beetroot Juices, Powders, and Chews Review (4)
Berberine Supplements (18)
Black Currant, Borage, Evening Primrose, Flax and Hemp Seed Oil Review (13)
Bone Broth (4)
Calcium Supplements (55)
Cancer Prevention (1)
CBD & Hemp Extract Supplements (63)
Chia Seed (4)
Cholesterol-Lowering Supplements (Sterols/Stanols and Policosanol) (14)
Choline Supplements (23)
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Cinnamon Supplements and Spices (26)
CLA Supplements (2)
Coconut and MCT Oils (16)
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Collagen Supplements (53)
CoQ10 and Ubiquinol Supplements (52)
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Dark Chocolates, Cocoa Powders and Supplements Review (80)
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Digestive Enzymes (12)
D-Mannose Supplements (3)
Echinacea Supplements (3)
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Electrolytes (4)
Essential Oils (9)
Extra Virgin Olive Oil (48)
Fish Oil /Omega-3 Fatty Acid Supplements (265)
Flaxseed (15)
Fruits, Veggies, and Other Greens Supplements (19)
GABA Supplements (5)
Garcinia Cambogia (HCA) Supplements (7)
Garlic Supplements (12)
Ginger Supplements (20)
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Ginseng Supplements (11)
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Gluten-Free Grains (4)
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Green Tea Supplements and Drinks (78)
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Hoodia Supplements (1)
Huperzine A Supplements (2)
Inactive Ingredients (13)
Iron Supplements (56)
Joint Health for Animals (12)
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Kelp (Supplements) (5)
Lactose Intolerance Products (1)
L-Arginine Supplements (25)
L-Citrulline Supplements (3)
Licorice and DGL Supplements, Candies, and Tea Review (1)
Lion's Mane and Chaga Mushroom Supplements (13)
Low-Dose Lithium Supplements (8)
L-Theanine Supplements (9)
L-tryptophan and 5-Hydroxy-L-tryptophan (5-HTP) (5)
Lycopene Supplements (7)
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Maca Supplements (2)
Magnesium Supplements (79)
Manuka Honey (4)
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Menopause Supplements (26)
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Multivitamin and Multimineral Supplements (52)
Muscle & Workout Supplements (Creatine and BCAAs) (49)
NAC (N-Acetyl Cysteine) Supplements (26)
NAD Boosters (NAD+/NADH, Nicotinamide Riboside, and NMN) (30)
Nattokinase Supplements (3)
Nutrition Bars (7)
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Oats (Rolled and Steel-Cut) Review (22)
Olive Leaf Extract (1)
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Plant Based Milks (12)
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Prostate Supplements (Saw Palmetto and Beta-Sitosterol) (14)
Protein Powders (96)
Psyllium Fiber Supplements (16)
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Red Yeast Rice Supplements (28)
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Resveratrol (Red Wine, Knotweed and Other Sources) (21)
Rhodiola Rosea Supplements (1)
Rice Review (White, Brown, Black, Wild, and Combination) (1)
Saffron Supplements (8)
SAMe Supplements (7)
Seaweed Snacks and Foods (4)
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Sexual Enhancers (4)
Shelled Walnuts (Halves & Pieces) (5)
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St. John's Wort Supplements (6)
Sunflower Seeds and Butters (1)
Taurine Supplements (1)
Tuna, Salmon, Sardines & Mackerel (42)
Turmeric and Curcumin Supplements and Spices (128)
Valerian Supplements (5)
Vision Supplements with Lutein, Zeaxanthin & AREDS2 Formulas (31)
Vitamin A Supplements (10)
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Water Filter Pitchers (34)
Weight Loss Supplements (7-Keto DHEA, Forskolin and Stimulant Blend Supplements) (3)
Wellbutrin vs. Generic Bupropion (2)
Zinc Supplements, Lozenges, and Melts Review (30)
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Cinnamon Supplements and Spices

"Lead-Free" Cinnamon?

April 09, 2026
Favorited Not Favorited
A "lead-free" cinnamon claim doesn’t hold up in recent testing. Get the details in our Cinnamon Supplements & Spices Review, which includes our Top Picks for cinnamon.

RoundUp in Cinnamon

December 15, 2025
Favorited Not Favorited
A member asked us about the safety of cinnamon, in which glyphosate (RoundUp) was detected. See our take on this in our Cinnamon Supplements Review, which includes our Top Picks for cinnamon.

Lead in Cinnamon

September 16, 2025
Favorited Not Favorited

Elevated levels of lead were recently reported in a brand of organic cinnamon sold in the U.S. – adding to similar reports in other brands. Get the details in our Cinnamon Review, which includes our Top Picks among cinnamon supplements and spices.

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