WAKEFULNESS & FOCUS

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...

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 a wide range of therapeutic uses....

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

Shea butter is made from the nuts of the West African shea tree (Vitellaria paradoxa), which has long been prized for its numerous nutritional,...

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

Sorrel is not often included in discussions of nootropic supplements or cognitive enhancers.  This is somewhat counterintuitive since that term is frequently linked to...

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

Soy is an East Asian-native  versatile legume that has long been an essential part of many different cuisines. Not only is this lowly bean...

Serrapeptase: Benefits, Dosage, Side Effects, Drug Interactions, And Other Important Information

With potential benefits in the areas of medicine and health supplements, serrapeptase—a serine protease enzyme—has attracted a lot of attention. It comes from the...

Shark Liver Oil: Benefits, Dosage, Side Effects, Drug Interactions, and Other Important Information

The possible health advantages of shark liver oil, a material obtained from sharks' livers, have been investigated, especially with regard to improving cognition, alertness,...