Some hair growth supplements have been proven to prevent hair loss and even regrow previously lost hair. If you ever wish to try a hair loss supplement, choose one that has been evaluated and approved by the FDA. There’s plenty of expert advice available to the public, such as Dr. Brett Bolton of GreatHairTransplants and his dedicated staff of hair specialists. Don’t fall for all the hype about hair growth supplements. Look for testimonial and reviews that are not a part of the companies website. You can also find a friend who has tried to product to get their opinion.