Bovine collagen is processed in alkaline conditions, then extracted in hot water and purified, thickened and dried in a step-by-step process to produce a nutrient-rich product.

Fish collagen are extracted from marine fish. It is pollution-free with a good taste, and its effect is more obvious.

Collagen peptides contains 95% protein content and considered as a new type of high-protein food nutrition.

Gelken 100% Hydrolyzed Chicken Collagen Protein Powder Fast Dissolving is extracted from the cartilage of chicken sternal cartilage and is prepared by modern biological separation and extraction technology.