GNC Herbal Plus Tribulus 1000mg 90 Capsules

Whole herbs are usually dried, chopped or ground into powder, and may be processed with water or alcohol for encapsulation. Standardized herbal extracts are made by dissolving herbs in a solvent like water, alcohol or liquid carbon dioxide, resulting in a chemical extract. The goal of standardization is to provide uniformity of a specific constituent that may be biologically active.