Showing Results for Nutritional Sciences
Product Reviews (3)
CL Answers (15)
I've been taking a Daily Advantage multi but am now concerned by the very high % DV for vitamin C (833% DV), niacin (325% DV), and B vitamins (over 1,000% DV for several). What do you think?
Learn about the safety of taking multivitamins containing far more than Daily Values, including upper and lower limits for nutrients.
Why aren't there children's multivitamins specifically for girls vs. boys?
Find out the best children's multivitamins for girls and boys, why there aren't different multivitamins for girls and boys, why teen girls and boys have different nutritional needs, especially when it comes to iron, and the best multivitamins for children, teen boys and girls, adults, adults over 50, prenatal vitamins and vitamins for pets.
Will the zinc challenge or taste test really tell if I'm zinc deficient?
Find out if the zinc challenge, also known as the zinc taste test, can accurately detect zinc deficiency. ConsumerLab.com's answer explains.
Is L-arginine helpful or harmful for people with cancer?
Find out if L-arginine supplements are helpful or safe for people with cancer.
Are "medical foods" such as VSL 3, proven to work? Does the FDA approve them?
What are medical foods? Info on whether they work, if they are approved by the FDA, and how they differ from regular foods and supplements. ConsumerLab.com's answer explains.
I read that sterol supplements to lower cholesterol like CholestOff can block the absorption of vitamins. Is that true?
Find out if CholestOff and other sterol supplements can block vitamin absorption in the body and other safety concerns.
I'm trying to pick a good multivitamin for my children and husband, and for myself. Any suggestions based on your research?
Find out how to pick the best multivitamin for you and your family, based on diet, price, and effectiveness.
What is the difference between the RDA and the DV for vitamins and minerals?
Find out the difference between RDAs (Recommended Daily Allowances) and DVs (Daily Values) for vitamins and minerals, as well as new changes to Daily Values. ConsumerLab.com's answer explains.
Is the Resurge supplement a scam? I'm having trouble getting a refund.
Resurge supplement scam? ConsumerLab has received several complaints from unhappy consumers who purchased Resurge and said they did not receive the product or a refund.
Do vitamin patches, such as for B12 or multivitamins, really work? How about those from PatchMD?
Do vitamin B12 Patches like PatchMD really work? Can you absorb vitamin B12 through patches?
Does Restore (Bionic Sciences LLC) really improve gut health? What is in Restore?
Learn more about Restore, including clinical studies on gut health, dosage, cost, and safety.
I've heard that having low B-12 or B-6 can cause depression. Is that true?
Find out if vitamin B12 or B6 deficiency can cause depression and how they can affect antidepressants.
Is canola oil good or bad for you? I heard it can be toxic.
Find out if canola oil is bad for you or good for you, and whether it helps heart health. Clinical evidence and how it compares to other oils.
What is magnesium stearate, what is it made from, and is it dangerous?
Learn more about magnesium stearate and its safety, based on evidence from clinical studies.
How concerned should I be about glyphosate in foods and supplements?
Find out if you should be concerned about glyphosate in foods and supplements. ConsumerLab.com's answer explains.
Recalls & Warnings (89)
Hill's Science Diet, Prescription Diet Dog Food Recalled Due to Risk of Vitamin D Toxicity
Maker of Popular Green Coffee Bean Extract Settles FTC Charges of Unsupported Weight Loss Claims
Skin Measurement Device Used to Select Nutritional Supplements Not Approved for This Use, FDA Warns
Twelve Dietary Herbal Supplements Recalled -- Possible Health Risk Associated with Ephedra, Aristolochic Acid and Human Placenta
Manufacturer of Green Tea, Vitamin E, Omega-3 and Cranberry Supplements Warned For Manufacturing Violations, Misbranding and Drug Claims
"Doctor Trusted" Seal and Certification Program for Dietary Supplements Misleading and Meaningless, Says FTC
FDA Warns Maker of Weight Loss and Whey Protein Supplements For Manufacturing Violations and Misbranding
Marketers of "Genetically Customized" Supplements Settle FTC Charges of Deceptive Health Claims
Adverse Event Reports Associated With Dietary Supplements Increase, But Remain Underreported And Underutilized
Seller of Eye Supplement Purporting to Restore Vision and Eliminate "Floaters" Settles FTC Charges
Direct Marketers of Weight Loss, Impotence, and Arthritis Supplements Charged with Deceptive Claims
FDA Seeks Permanent Injunction Against Dietary Supplement Maker -- 400+ Products Affected
Seller of Chinese Herbal Products for Prostate, Menopause and More Warned for Manufacturing Violations
Maker of Garcinia, Joint Supplements and More Warned for Manufacturing Violations, Drug Claims
Limbrel Capsules for Osteoarthritis Linked With Potentially Life-Threatening Health Risk, FDA Warns
"The Truth About Nutrition" Marketers Agree to Pay $3 Million to Settle Charges of Deceptive Advertising of Dietary Supplements and Devices
Clinical Updates (5)
Latest Supplement Recommendations
- Beta-Carotene and Vitamin E: Supplementation with either does not provide a benefit. Vitamin E does not pose a risk of harm, but beta-carotene increases the risk of lung cancer in people at risk for lung cancer.
- Other Single Vitamins, Minerals, Pairs, and Multivitamins: There is inadequate evidence regarding a benefit or a risk of harm.