Category Archives: Herbs and Supplements

Ocu-Glo Rx: A Nutritional Supplement Marketed to Support Eye Health and Vision

A reader recently asked me to comment on a dietary supplement marketed for dogs and cats, Ocu-Glo Rx. While this product shares the problem of many such supplements,  a shaky theoretical rationale and limited relevant research evidence to support its … Continue reading

Posted in Herbs and Supplements | 52 Comments

Evidence Update-Data for Resveratrol and Antioxidants Not Looking Good

At the very beginning of this blog in 2009, I wrote about a compound called resveratrol. I concluded at that time that it was “promising but unproven.” I subsequently reported on a scandal in which a key researcher studying this … Continue reading

Posted in Herbs and Supplements | 1 Comment

RenAvast™ for Kidney Disease: Sloppy Science and Snake Oil Marketing

A reader recently asked me to investigate yet another supplement product, this one marketed for treatment of kidney disease in dogs and cats. While there are thousands of such products, and a thorough investigation of each isn’t possible, there were … Continue reading

Posted in Herbs and Supplements | 59 Comments

LEGS Glucosamine Study Shows Little Evidence of Real Benefit

I have written extensively about glucosamine because it is a ubiquitous arthritis therapy that nearly everyone seems to believe in and use, yet the evidence for it is poor. Only two published clinical studies are available for dogs, one showing … Continue reading

Posted in Herbs and Supplements | 15 Comments

Unregulated Dietary Supplements Still Killing People

The New York Times recently reported on the growing evidence that unregulated dietary supplements are a significant cause of injury and death. According to research by a group of liver specialists, supplements now “account for nearly 20 percent of drug-related liver … Continue reading

Posted in Herbs and Supplements | 7 Comments

Evidence Update-Importance of Vitamin D Supplementation Revealed

Over the years, I have been skeptical of the safety and value of vitamin suppkements. However, a new study in the Medical Journal of Australia has finally set me straight. I’m off to stock up on Vitamin D tablets! Hopkinson … Continue reading

Posted in Herbs and Supplements, Humor | 4 Comments

European Food Safety Authority Rejects Prostora, a Probiotic Product for Dogs

I have written frequently about probiotics,(1,2) and the health effects of microorganisms seems a promising area of research. The current evidence for meaningful beneficial effects, however, is quite limited. There is reasonable evidence for some benefit in treating antibiotic-associated diarrhea … Continue reading

Posted in Herbs and Supplements | 20 Comments

Evidence Update: Resveratrol

In the first year of this blog, I wrote about a supplement called resveratrol, calling it “a promising but unproven compound.” Last year, I reported on a scandal in which a major researcher of resveratrol retracted over 100 research articles … Continue reading

Posted in Herbs and Supplements | 3 Comments

Please Support S. 1425: The Dietary Supplement Labeling Act of 2013.

I have written previously about the woefully inadequate regulation of dietary supplements in the U.S. under the Dietary Supplement Health an Education Act (DSHEA). Much has previously been written at the Science-Based Medicine Blog on the subject of the Dietary … Continue reading

Posted in Herbs and Supplements, Law, Regulation, and Politics | 5 Comments

Medical Use of Marijuana/Cannabis for Pets?

The medical use of marijuana has long been a “hot-button” issue in human medicine. Now, the subject has become a growing focus of debate in the veterinary field as well. As is all too common in such debates, however, scientific … Continue reading

Posted in Herbs and Supplements | 83 Comments