Closeup of a person pouring several dietary supplement capsules into their open palm.
Vitamin D Pills Don’t Prevent Bone Fractures, Osteoporosis: Study
A large trial adds to a growing list of conditions once thought to be helped by vitamin D supplementation.
Vitamin D Pills Don’t Prevent Bone Fractures, Osteoporosis: Study
Vitamin D Pills Don’t Prevent Bone Fractures, Osteoporosis: Study

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

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

vitamin deficiencies
Two fingers grasp a vitamin D capsule
Vitamin D Deficiency Drives Opioid Addiction in Mice
Amanda Heidt | Jun 16, 2021
Mice with low vitamin D had exaggerated craving for opioids and felt the drugs’ effects more strongly—results supported in part by human medical records—suggesting that supplements should be explored as treatments for opioid use disorders.
Trials Seek to Answer if Vitamin D Could Help in COVID-19
Abby Olena | Aug 12, 2020
In clinical studies worldwide, researchers are testing the possibility that supplements of the vitamin could prevent or decrease the severity of SARS-CoV-2 infections.
Judge Decides on GM Rice Retraction
Kerry Grens | Aug 3, 2015
Ethical breaches in a study on the benefits of so-called “golden rice” lead to the paper being pulled from the literature.
GM Rice Researcher Fights Retraction
Jef Akst | Jul 21, 2014
Nutrition scientist Guangwen Tang, who was barred from conducting human studies after an investigation found that she did not comply with ethical regulations, goes to court to save her research.
Mutagens and Multivitamins
Megan Scudellari | Jun 1, 2014
Not one to shy away from controversy, Bruce Ames has pitted himself against industry groups, environmentalists, and his peers through his work identifying DNA mutagens. And he’s not done yet.
Vitamin A’s Influence on Immunity
Ashley P. Taylor | Mar 19, 2014
Exposure to vitamin A in the womb influences immune system development and lifelong ability to fight infections, a mouse study shows. 
Vitamin Deficit Can Boost Innate Immunity
Laasya Samhita | Jan 23, 2014
Researchers show that vitamin A deficiency can help protect mice against parasitic worm infections.
Tricky Trials
Mary Beth Aberlin | Mar 1, 2012
Studies on safety, efficacy, or dosing of drugs in children, or on nutritional supplements, are not run-of-the-mill.