UltraSorb D3 is a natural, soy-free, form of Vitamin D in a water-soluble micellized form. Micellization greatly increases the solubility, absorption and bioavailability of our vitamin D3 over oil or emulsified forms. The micellization process produces tiny droplets (micelles) that are then formed into highly absorbable aggregate structures.
L-Tryptophan - Tryptophan is one of the standard amino acids and an essential amino acid in the human diet.L-tryptophan increases a brain chemical called serotonin. Some medications for depression also increase the brain chemical serotonin.