Progress Labs Zinc 15 mg is a dietary supplement in the form of Vcaps ® vegetable capsules that contain zinc guconate. In addition, the formula has been enriched with fructooligosaccharides (FOS Actilight® ). Zinc is a mineral that: helps maintain proper cognitive functions, contributes to maintaining the proper metabolism of fatty acids, plays a role in maintaining healthy bones and also helps maintain healthy hair, nails and skin, supports the maintenance of correct vision, helps to maintain the appropriate level of testosterone in the blood, helps the immune system to function properly, plays a role in the correct synthesis of proteins, it takes part in the process of cell division and plays a role in protecting cells against oxidative stress. A large package of Progress Labs zinc preparation containing 180 capsules is enough for almost half a year of daily supplementation.