What it is: Healthy Hair Growth Supplements may combat hair loss with DHT inhibiting botanicals plus Biotin, Niacin and Zinc for thicker, fuller looking hair. Pumpkin Seed Extract, available in the Men's Healthy Hair Supplements, is a natural DHT-blocking ingredient rich in vitamins and minerals. May also improve the appearance of skin and nails. What it does: Biotin helps strengthen the hair follicle; Niacin helps revitalize hair to reduce hair shedding; Zinc's essential nutrients help maintain healthy hair and help reduce hair loss; Pumpkin Seed Extract is a natural DHT-blocking ingredient rich in vitamins and minerals; What else you need to know: Vegan, Cruelty-Free, Sulfate-Free, Paraben-Free