youtheory collagen and biotin

Youtheory offers collagen with biotin in both tablet and powder formats.

Product details list vitamin C alongside biotin, and some powder formulas also note about 18 amino acids per serving.

The product details mention support for hair and nails, and for powders they also list tendons, ligaments and joints.

The product listings state the supplements are dairy-free, soy-free, and gluten-free.

The powders are described as a fine, easily dissolvable powder intended to blend into beverages. Product details also note each serving contains biotin and vitamin C.