Large doses of biotin can promote thymus hyperplasia, just like immune enhancers, which can enhance immunity.
Biotin with Collagen and Keratin Capsules -Maintain healthy hair, nails and skin
Biotin With Collagen & Keratin - Hair Growth, Support Skin & Nails Health
Biotin with Collagen & Keratin 60 Capsules - Promotes Hair Growth, Radiant Skin
