Hair, Skin & Nails Blend combines key vitamins and nutrients — Niacinamide, Thiamine, Pantothenic Acid, Choline, Inositol, Niacin, Biotin, Folic Acid, and Riboflavin — to support healthy hair growth, radiant skin, and strong nails. This formulation is researched for its role in cellular metabolism, collagen production, and nutrient delivery to skin and hair follicles.