Category: Herbs & Supplements

Wall of Supplements

Adverse Effects from Dietary Supplements: A survey of the US Military

Over 26,000 US Service members completed a survey on the adverse effects associated with dietary supplements. Some categories of supplements are associated with substantial adverse events.

/ September 15, 2022

Does Vitamin D Prevent Autoimmune Disease?

A new study published in The BMJ suggests vitamin D might prevent autoimmune disease, but there are reasons to be cautious.

/ September 13, 2022

Can supplements improve memory and cognition?

Can you reduce the risk of cognitive decline with dietary supplements?

/ September 1, 2022

Zinc for the prevention or treatment of respiratory tract infections: A new systematic review

A new systematic review examines the evidence for zinc to prevent or treat respiratory tract infections.

/ August 18, 2022

Melatonin poisonings in children are increasing

Melatonin use is increasing, and accelerated during the pandemic. Overdoses are also increasing in children, and in rare cases are linked to serious harms.

/ July 7, 2022

Questions about DNA Barcoding

The author of a 2013 paper on supplement quality is now facing serious allegations of scientific misconduct.

/ June 23, 2022

How Safe is CBD?

CBD is a drug, but sold as both a drug and herbal supplement. What does the current evidence say about its safety?

/ June 15, 2022
garlic cloves

Garlic, the fragrant panacea

Garlic supplements are claimed to treat and cure nearly every disease. What does the evidence say?

/ June 9, 2022

Columbia University finally cuts ties with America’s Quack Dr. Oz

Decades after Dr. Oz pioneered "integrating" quackery into medicine and after many years of promoting diet scams and quackery on a nationally syndicated daily television show, Columbia University appears finally to have had enough and has quietly downgraded his status. What took so long?

/ May 2, 2022

Does marshmallow root tea have medicinal benefits?

Many medicinal benefits are attributed to marshmallow root. What does the evidence actually say?

/ April 14, 2022