Seriphos® is a phosphorylated serine dietary supplement, which provides adaptogen and adrenal support. Phosphorylated Serine (brand name Seriphos®) provides the activated, or phosphorylated serine, in a chelate form of magnesium and calcium. Seriphos® is a pure product, not derived from animal tissue. The serine is from vegetable sources, and the phosphate is from a pure phosphate donor compound. Usual dose is 1 capsule daily, or as recommended by your health care practitioner.