supplements

The results from two large clinical trials don't support the idea that supplements of the vitamin bolster immune defenses against SARS-CoV-2.

He advanced the field of medical genetics, spoke out about reducing the stigma associated with mental illness, and captured attention for asserting that scientific evidence failed to demonstrate that life begins at conception.

A large trial adds to a growing list of conditions once thought to be helped by vitamin D supplementation.

Mice and flies given the polyamine in their diet have increased brain cell metabolism and cognitive function, and epidemiological data hints at a similar benefit in humans.

Services promising scientifically tailored supplements or advice abound. Experts say their claims are largely unfounded, although some solid evidence is beginning to emerge.

Broken links, clunky formats, and outdated platforms have both authors and publishers turning to alternative solutions.

A brief guide to some of the most commonly used general-purpose repositories

Recent reports of babies born with opioid withdrawal symptoms after their mothers used kratom during pregnancy have generated much concern about the medicinal herb.

The agency sends warning letters to makers of products that claim to prevent or treat Alzheimer’s and other diseases, and announces changes to its enforcement practices.

FDA does little about it, study finds.

The herbal supplement, deemed an opioid by the FDA, was recently linked to a Salmonella outbreak in 20 states. 

Marijuana ointments as cancer treatments remain a distant prospect. 

Pregnant women who took a fish oil supplement during pregnancy were less likely to have children with asthma.

Mice given a dietary supplement had faster-progressing melanoma, a study shows.

Tamoxifen, an endocrine therapy for women with breast cancer, is found in a supplement marketed to bodybuilders.

Dietary supplements can have serious side effects when mixed with prescription drugs, but not all herb-drug interactions are bad.

Vitamin D has a variety of actions in the body. It binds to the vitamin D receptor (VDR), which then binds to the retinoid X receptor (RXR) and activates the expression of numerous genes. 

Prevention trials for vitamins and supplements are notoriously difficult, but some researchers aren’t giving up on finding proof that vitamin D helps ward off disease.