Vitamin D is an essential nutrient for the human body. Taken orally, your body may not utilize vitamin D without adequate amounts of Vitamin K2, which directs calcium to your bones. Combined with Black Pepper Extract means optimal absorption. Vitamin D is an integral hormone that plays a vital role in bone health, teeth, immune system function, brain, and nervous systems. Simply take one Wild K2&D3 capsule a day to help support optimal vitamin D levels in conjunction with a healthy diet of Real Foods from nature! “Like our Wild Fish Oil, this is already a MUST TAKE in my personal daily regimen.” -Colin, Founder