Nanogen hair supplement for men 40 are scientifically formulated food supplements to help maintain hair growth for men over 40 while nutritionally supporting you at the prime of your life the bioavailable combination of vitamins and minerals has been tailored by scientists be assure your hair is getting the right support so that you can focus on what matters nutritional support for men active men over 40 maintaining an active lifestyle over 40 requires good nutrition in addition to i