Life Extension NK Cell Activator, 30 Tablets

What the brand says

NK Cell Activator™ is a novel formula for immune health. It contains 500 mg of a proprietary rice bran extract that has been enzymatically modified to support healthy NK cell activity. NK Cell Activator™ contains 30 tablets, enough for a 15-30 day supply. This formula is made with non-GMO ingredients and is manufactured in the USA.