Body Kitchen™ Keratin Enrich: Premium Hair & Nail Protein Body Kitchen Uses A Clinically Studied And Patented Form Of Direct Keratin That Is Readily Bioavaialable And Easily Absorbable. To Make This Process Highly-Effective, We've Included Black Peeper Extract To Improve Absorption Rate Of All Nutrients In The Formula By 30%. We've Added 3, 000 Mcg Of Biotin! This Combination Allows A Constant Cycle Of Keratin Production - While Keratin Is Ready For Quick Absorption, Biotin Engages In A Breakdown Process That Stimulates More Keratin Production In Later Stages. Backed By Minerals Such As Zinc And Copper, Keratin Enrich Is An Excellent Choice For Improving Nail Strength As Well. Supports Hair Vitality Strong Nails Damaged Hair With Clinically Studied & Patented Ingredients Fortified With Cyantine Hns® Solubilized, High-Absorption & Bioavailable | Body Kitchen Keratin Enrich - 60 Capsules (30 Servings)