Doctor's Best Collagen Types 1 and 3 contain hydrolyzed collagen protein (BSE-Free), which contributes 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. Vitamin C is added to the formula as an important nutrient required for collagen synthesis by the body. Product Highlights Helps support healthy hair, skin and nails Helps support the strength of bones and flexibility of joints, tendons and ligaments Provides improved bioavailability due to the low molecular weight of component peptides Non-GMO / Gluten Free / Soy Free BSE-Free Hydrolyzed Collagen Types 1 and 3 Directions Adults: Take 3 tablets twice daily on an empty stomach, at least 30 minutes before meals, or as recommended by a nutritionally informed physician. To ensure optimal collagen absorption, avoid taking additional protein supplements within one hour of consumption. Doctor's Best Doctor’s Best is a science-based nutritional supplement company founded in 1990. Made primarily with branded ingredients that are thoroughly researched, manufactured to the highest quality standards, and rigorously tested every step of the way from raw materials to finished product. Doctor’s Best use only c. GMP-certified manufacturing facilities Doctor’s Best use only proven science-based nutrition and are not interested in fads, trends, or quick fixes. Doctor’s Best collaborates with nutritional scientists who are developing new ingredients and then Doctor’s Best study their clinical findings to determine the most effective way to provide the desired results.