Performance Enhancement

Shellac: Benefits, Dosage, Side Effects, Drug Interactions, and Other Important Information

The female lac bug secretes a resin called shellac from trees in the forests of India and Thailand. This resin has long been prized for use in the food...

Shepherd’s Purse: Benefits, Dosage, Side Effects, Drug Interactions, and Other Important Information

The flowering plant known as Shepherd's Purse (Capsella bursa-pastoris) is a member of the Brassicaceae family and is...

Silicon: Benefits, Dosage, Side Effects, Drug Interactions, and Other Important Information

Although silicon is usually associated with electronics and technology, it also plays an important role in the field...

Slippery Elm: Benefits, Dosage, Side Effects, Drug Interactions, and Other Important Information

Native American tribes and contemporary herbalists have long valued the many health advantages of the North American native...

Smartweed: Benefits, Dosage, Side Effects, Drug Interactions, and Other Important Information

The polygonum genus, which includes smartweed, contains a number of species distinguished by their unusual knot-like joints and...

Think fast: The 12 best nutritional supplements for improving mental clarity, focus and concentration

Today’s athletes are stronger, faster, and more flexible than ever before. Whether it’s Olympic competitors shattering world records, college athletes winning national championships, or...