Product Reviews and Information for Prediabetes
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CL Answer
Which supplements and foods can help lower or control blood sugar?
Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.
Product Review
Cinnamon Supplements and Spices Review
CAUTION: Some Cinnamon Products High in Toxin. See Which Passed or Failed and our Top Picks!
Product Review
Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements
Product Review
Turmeric and Curcumin Supplements and Spices Review
See Our Top Picks Among Turmeric Products
CL Answer
Are Moringa Leaf Supplements Helpful and Safe?
Are moringa leaf supplements beneficial for diabetes, lowering cholesterol, lowering blood pressure, improving liver function, and other conditions, and are they safe? Find out.
Product Review
NAD Booster Supplements Review (NAD+/NADH, Nicotinamide Riboside, and NMN)
How Important Is Boosting NAD+ Levels? Find Out and Learn How Booster Supplements Compare.
Product Review
Vitamin D Supplements Review (Including Calcium, Magnesium, Vitamin K, and Boron)
Find the Best Vitamin D Supplement and Avoid Problems
Product Review
Canned Tuna, Salmon, Sardines & Mackerel Review
Find Fish With the Least Mercury & Arsenic and Most Omega-3s
Recalls & Warnings
September 10, 2021
FDA Warns Ten Sellers of "Diabetes" Supplements
On September 7, 2021, the FDA issued warning letters to 10 supplement companies that made drug claims by promoting products to treat diabetes and/or lower blood sugar. Five of the products were sold on Amazon as well as on company websites. The products were promoted with statements such as
CL Answer
Do any supplements naturally suppress appetite and help with weight loss?
Learn which natural ingredients can suppress appetite and find if these natural appetite suppressants help with weight loss.
News Release
May 07, 2024
ConsumerLab Tests Magnesium Supplements, Spots Problems and Selects a Top Pick
White Plains, NY, May 7, 2024 — Nearly half the U.S. population does not get adequate amounts of magnesium and may benefit from increasing magnesium intake from foods or supplementation.
News Release
March 11, 2022
Best Magnesium Supplements Identified by ConsumerLab
White Plains, New York, May 12, 2022 — Nearly half the U.S. population does not get adequate amounts of magnesium and can benefit from increasing magnesium intake from foods or supplementation.
News Release
January 05, 2016
Cinnamon Spices and Supplements Found to Vary Widely in Levels of Potentially Helpful and Harmful Compounds Reports ConsumerLab.com
White Plains, New York, January 5, 2016 — Cinnamon supplements may be helpful for controlling blood sugar in people with type 2 diabetes or prediabetes, possibly due to compounds known as proanthocyanidins or PACs.
Recalls & Warnings
September 19, 2018
Seller of Curcumin, Garcinia, Glucosamine and More Warned for Manufacturing Violations
On September 7, 2018, the FDA issued a warning letter to Best Nutrition Products, Inc.
