Supplements Guide: Side Effects & Best Multivitamins

Vitamins and supplements like melatonin and fish oil offer health benefits but can cause side effects if misused. Learn about the impact of saw palmetto on blood pressure and find the best multivitamins for young women and adults over 50.

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Potassium Nitrate Risks

Published Jul,08 2011 | By Marni Wolfe

Potassium nitrate, also known as saltpeter, is an odorless powder composed of transparent and/or white crystals. It is prepared commercially for use in a number of products, including gunpowder, fireworks, matches, rocket propellants, ceramics, glass and fertilizers.

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Contraindications for Shilajit Extract

Published Jul,08 2011 | By Marni Wolfe

Shilajit is a pale-brown to black material consisting of decomposed plant and animal material that has been compressed between layers of rock. It can be found in the Himalayan mountains and has been used in traditional medicine for centuries, according to Robert Talbert of the California College of Ayurveda.

Marni Wolfe began writing professionally in 2009. She has been published in the scientific journals "Brain Research" and "Endocrine," and in various online publications. Wolfe worked for more than 10 years in the pharmaceutical and nutraceutical industries before leaving to write about health and science. Wolfe holds a Bachelor of Science in genetics from the University of Western Ontario.