Stabilised Rice Bran (SRB) - In addition to being a good source of zinc, SRB contains a wide array of other micronutrients which are required in order for zinc to carry out its numerous functions within the body. Although cereal fibres can impair the absorption of various forms of zinc, fully-reacted zinc glycinate is not affected in this manner. Spirulina - As well as zinc, spirulina provides a vast number of trace minerals, vitamins and other nutrients which assist zinc in its many biological functions. Spirulina is also contains a significant amount of superoxide dismutase (SOD), a zinc-dependent enzyme which is essential to protect the body from certain highly destructive forms of free radicals. Pumpkin Seed - Pumpkin seeds have a high content of zinc, as well as being a good source of copper, the most important nutrient to keep in proper balance with zinc. The seeds also provide a high concentration of certain fatty acids which complement the role of zinc within healthy prostate tissue. Acai Berry - Like pumpkin seeds, acai berries not only supply zinc, but also represent a very good source of copper, the most important nutrient to keep in proper balance with zinc.