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Acai Berry (1)
Acetyl-L-Carnitine Supplements (11)
Alginate Supplements (For Reflux) (4)
Aloe Juices, Gels, and Supplements (2)
Alpha-Lipoic Acid Supplements (10)
Apple Cider Vinegar (11)
Ashwagandha Supplements (34)
Astaxanthin Supplements (5)
Avocado Oil (5)
B Vitamin Supplements (178)
Berberine Supplements (11)
Bone Broth (2)
Calcium Supplements (46)
Cancer Prevention (1)
CBD & Hemp Extract Supplements (60)
Chia Seed (3)
Cholesterol-Lowering Supplements (Sterols/Stanols and Policosanol) (12)
Choline Supplements (20)
Chromium Supplements (1)
Cinnamon Supplements and Spices (23)
CLA Supplements (2)
Cocoa Powders, Dark Chocolate, Extracts, Nibs & Supplements (63)
Coconut and MCT Oils (14)
Coconut Waters (2)
Collagen Supplements (41)
CoQ10 and Ubiquinol Supplements (47)
Cranberry Juices and Supplements (19)
Digestive Enzymes (10)
D-Mannose Supplements (3)
Echinacea Supplements (3)
Elderberry Supplements (5)
Electrolytes (3)
Essential Oils (6)
Evening Primrose & Flaxseed (ALA/GLA) (11)
Extra Virgin Olive Oil (40)
Fish Oil /Omega-3 Fatty Acid Supplements (245)
Flaxseed (9)
Fruits, Veggies, and Other Greens Supplements (14)
GABA Supplements (3)
Garcinia Cambogia (HCA) Supplements (6)
Garlic Supplements (12)
Ginger Supplements (17)
Ginkgo Supplements (8)
Ginseng Supplements (10)
Green Coffee Bean Extract Supplements (2)
Green Tea Supplements and Drinks (63)
HGH - human growth hormone (1)
Hoodia Supplements (1)
Huperzine A Supplements (2)
Inactive Ingredients (11)
Iron Supplements (44)
Joint Health for Animals (12)
Joint Health Supplements (24)
Kelp (Supplements) (4)
Lactose Intolerance Products (1)
L-Arginine Supplements (23)
L-Citrulline Supplements (1)
Lion's Mane and Chaga Mushroom Supplements (9)
Low-Dose Lithium Supplements (6)
L-Theanine Supplements (9)
L-tryptophan and 5-Hydroxy-L-tryptophan (5-HTP) (4)
Lycopene Supplements (7)
Lysine Supplements (1)
Maca Supplements (2)
Magnesium Supplements (66)
Melatonin Supplements (81)
Menopause Supplements (20)
Milk Thistle Supplements (4)
Multivitamin and Multimineral Supplements (37)
Muscle & Workout Supplements (Creatine and BCAAs) (34)
NAC (N-Acetyl Cysteine) Supplements (24)
NAD Boosters (NAD+/NADH, Nicotinamide Riboside, and NMN) (17)
Nutrition Bars (4)
Oat Cereals (13)
Phosphatidylserine Supplements (2)
Plant Based Milks (11)
Pomegranate Juice and Supplements (1)
Potassium Iodide/Iodate (Radioprotective Agents) (1)
Potassium Supplements (18)
PQQ (Pyrroloquinoline Quinone) (2)
Prebiotics (11)
Probiotics (145)
Prostate Supplements (Saw Palmetto and Beta-Sitosterol) (12)
Protein Powders (80)
Psyllium Fiber Supplements (14)
Quercetin & Rutin Supplements (14)
Red Yeast Rice Supplements (26)
Reishi Mushroom Supplements (10)
Resveratrol (Red Wine, Knotweed and Other Sources) (18)
Saffron Supplements (4)
SAMe Supplements (6)
Seaweed Snacks and Foods (3)
Selenium Supplements (12)
Sexual Enhancers (4)
Shelled Walnuts (Halves & Pieces) (2)
St. John's Wort Supplements (5)
Taurine Supplements (1)
Tuna, Salmon & Sardines (29)
Turmeric and Curcumin Supplements and Spices (110)
Valerian Supplements (4)
Vision Supplements with Lutein, Zeaxanthin & AREDS2 Formulas (27)
Vitamin A Supplements (9)
Vitamin C (43)
Vitamin D Supplements (319)
Vitamin E Supplements (23)
Vitamin K Supplements (18)
Water Filter Pitchers (28)
Weight Loss Supplements (7-Keto DHEA, Forskolin and Stimulant Blend Supplements) (3)
Wellbutrin vs. Generic Bupropion (2)
Zinc Supplements and Lozenges (26)
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Recently Added

Vitamin C & Urine Tests

November 25, 2024
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Taking vitamin C may interfere with certain urine tests, including those for glucose and bilirubin. See the details in the Concerns and Cautions section of our Vitamin C Supplements Review, which includes our Top Picks for vitamin C.

Also see: Which vitamins and supplements should be stopped before getting blood work, laboratory tests, or medical imaging?

Creatine for Cognition?

November 25, 2024
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Does taking creatine improve cognitive function or memory? Find out what a panel of experts recently concluded in the Memory and Cognition section of our Creatine Supplements Review, which includes our Top Picks for creatine.

Also see: Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Ashwagandha, Memory, and Attention

November 25, 2024
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Did taking an ashwagandha extract (KSM-66) improve cognitive function among people with self-reported memory impairment in a recent study? Find out in the Cognitive Performance section of our Ashwagandha Review, which includes our Top Picks for ashwagandha.

Magnesium Interacts with Thyroid Medication

November 25, 2024
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Be aware that some forms of magnesium can interact with the thyroid medication levothyroxine (Synthroid). Get the details in the Concerns and Cautions section of our Magnesium Supplements Review, which includes our Top Picks for magnesium.

Also see our article about supplements and foods to avoid or use when taking levothyroxine.

ZeroWater's Loss of Filtration

November 25, 2024
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If you use a ZeroWater pitcher to filter fluoride from your water, be aware that it can lose this ability fairly quickly. For details, see the ConsumerTips section of our Water Filter Pitchers Review, which includes our Top Picks among water filter pitchers.

Top Pick Whitening Toothpaste

November 25, 2024
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We’ve changed our Top Pick whitening toothpaste (for surface stains) due to concerns about its manufacturing. Find out why and see our new Top Pick.

Laughing Gas & B-12

November 21, 2024
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Although rare, be aware that use of nitrous oxide (i.e. laughing gas), such as during a medical procedure, can inactivate vitamin B-12 in the body. Let medical professionals know if you are B-12 deficient. Get the details in the B-12 section of our B Vitamin Supplements Review. Also see our Top Picks for vitamin B-12 and other B vitamin supplements.

Best Portable Air Purifiers?

November 21, 2024
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Portable air purifiers can reduce microbes and smoke particles from room air. We’ve updated our Top Picks and Runners Up for large, medium and small room air purifiers.

Nutrafol Hair Supplement Linked with Liver Injury

November 21, 2024
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Nutrafol, a line of supplements promoted for hair growth, was linked with liver injury in a recent case report. Get the details in our article about supplements for hair.

Most SAMe Supplements Fail Recent Tests

November 21, 2024
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Only 4 of 23 brands of SAMe supplements sold on Amazon were found to contain their listed amounts of SAMe, according to tests by a competing brand. Six products had no SAMe at all. Get the results by brand in the Quality Concerns section of our SAMe Supplements Review, which includes our Top Picks for SAMe.

See the rest of ConsumerLab's clinical updates for 2024