Biological activity of alpha tocopherol yet compounds with vitamin E activity or found in nature for our tocopherols and other four are so core triene on the GRS Ultra main function of vitamin G within the body is to act as antioxidants antioxidants or substances that protect other chemicals of the body from the amazing oxidation reaction by reacting with of threshing agents within the body vegetable oils nuts and the whole grams are the richest natural sources of vitamin G for example big grandma L contains milligram of. https://nutradiary.com/grs-ultra/