Blog Posts by Nandakumara Sarma

DNA Testing of Herbal Supplements - Does it Work or Doesn't It?

Last week’s unprecedented move by the New York State Attorney General’s Office to crack down on purportedly fraudulent herbal supplements sold by major retailers has ignited a heated debate about the quality of the products tested. At the heart of that debate is whether or not the DNA barcoding technique used by the Attorney General’s Office is an adequate enough test for the identification of botanical ingredients in these herbal products. 

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Ask Your Pharmacist if an Over The Counter Medicine or Supplement is Right for You

Ask the Pharmacist

Consumers often purchase over the counter medicines and dietary supplements without consulting a health care professional. A pharmacist can offer important advice and counsel when choosing these products. Dr. Nandakumara Sarma, Director of USP's Dietary Supplement program and an experienced pharmacist explains why in the final part of our series celebrating American Pharmacists Month. 

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What’s That Plant You’re Eating? Using DNA Methods as a Solution to Botanicals Quality

Using DNA methods to figure out botanicals quality

It may be difficult to know whether that powder really is what it says in the label. When seeds, flowers and leaves are processed into botanicals, DNA methods might be the way to properly identify these products.

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Military Fitness: Do Dietary Supplements Enhance Athletic Performance?

Scientific review offers pros and cons of dietary supplements for athletic performance

Despite the growing popularity of many dietary supplements for performance enhancement among members of the US Military, there’s little evidence to prove their benefits. To help military personnel make more informed decisions about these products, a group of experts from USP conducted a systematic evidence review to determine the benefits and safety of dietary supplements for sports fitness and endurance. 

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