Nutritional support for normal hair and nails. Selenium also supports maintenance of the immune system and protection of DNA, proteins and lipids from oxidative damage. Source of Life Garden Certified Organic Selenium capsules with Organic Gold Standard Nutrients is the breakthrough all-organic, whole- plant source of selenium (50ěg) from brown mustard. The oil, pressed from brown mustard (Brassica nigra), is often used in Indian food especially in curries. The unique vegan formula feautures a blend of 16 certified organic fruits, vegetables and herbs.