TORQ: TORQ dFND High Strength is a one a day tablet containing a potent concentration of Vitamin D3 and Zinc to support the normal functioning of the immune system. Vitamin D3 also helps to maintain normal bone and muscle function and Zinc, the maintenance of normal skin, hair & nails.Each TORQ dFND High Strength tablet contains 1000iu Vitamin D3 and 15.6mg Zinc at a potent 500% and 156% of daily reference values respectively. Both of these nutrients have been found to be deficient in the human body with Vitamin D being at lower levels in the winter months in particular, while Zinc deficiency is more common with those who follow a vegetarian or vegan diet.TORQ Immune System SupportIn true TORQ style, no stone has been left unturned in our review of how to build a healthy immune system and how best to fight infection. We have taken the time to diligently review the research and provide you with a comprehensive resource outlining how your immune system works, how to avoid infection, how to build a strong immune system and how best to fight an infection should your defences be breached.