Doctor’s Best L-Tryptophan with TryptoPure 500 mg 90 Veggie Caps

Doctor’s Best Biotin provides a substantial dose of the B-complex vitamin biotin. Biotin is indispensable for the unique function of “biotinylation” that facilitates both energy and protein metabolism and healthy DNA activity. Clinical observations of biotin deficiency shows its importance for the upkeep of healthy skin and hair, as well as for the immune and central nervous systems. Preliminary evidence also suggests that biotin can promote healthy nail renewal.

Serrapeptase (serratio-peptidase) is a protein-digesting enzyme isolated from the friendly bacterium Serratia E-15 discovered in the Japanese silkworm, and has been used as a nutritional supplement in Europe and Asia for over three decades. It helps support healthy sinuses and also helps to breakdown unwanted proteins. Doctor’s Best Serrapeptase 40,000 SPU is formulated with Serrateric™, a superior alternative to enteric coating that protects the individual enzyme until it reaches the intestine for optimal absorption.

Doctor’s Best Pure Collagen Types 1 and 3 contains pure collagen protein, which contribute to the growth and maintenance of healthy tissues. Collagen is the structural protein essential for the strength of bones and flexibility of joints, tendons, ligaments, hair, skin, nails, and other tissues throughout the body. Collagen Types 1 and 3 Powder is enzymatically hydrolyzed into component peptides with a small molecular size for optimal absorption and utilization by the body.