PROT?GEN is nutritional supplement specially formulated with 20,000mg collagen protein peptides in each bottle.WHAT ARE COLLAGEN PROTEIN PEPTIDES.Collagen protein peptides are produced from gentle enzymatic process followed by high precision hydrolysis to produce low molecular weight peptides.PROT?GEN collagen protein peptides with low molecular weight (1000-3000 Dalton), are easily absorbed by enterocytes to deliver functional properties.