What Is Nourkrin Nourkrin Extra Strength Hair Recovery Programme is a protein, mineral & food supplement, developed to help reduce hairloss & promote existing hairgrowth. Formulated from highly refined marine proteins, in easy-to-swallow tablets containing natural silica, Ig G & Vitamin C to help improve the environment in the digestive system by allowing increased absorption. Nourkrin Extra Strength is suitable for men, women & even children. In a UK survey of users with hairloss 75% reported hairloss had stopped & hair growth had enhanced with the use of Nourkrin.