Reflex Nutrition Zinc Matrix Capsules deliver 30mg Zinc, 375mg Magnesium & 10.5g Vitamin B6. It has been designed for those involved in high intensity exercise, delivering a range of health benefits. Frequent exercise or high intensity training can lead to a deficiency in nutrients within the body. Reflex Zinc Matrix Capsules replenish key nutrients to help maintain overall health & wellbeing Zinc is one of 24 macronutrients needed for our survival. Therefore it is very important to either gain this from food or supplementation. Zinc can have the ability to raise testosterone in men who are deficient, & is also a potent anti-oxidant.