Bone, teeth, reproductive cells, and embryonic
Bone, teeth, reproductive cells, and embryonic development all depend on adequate amounts of vitamin A. DOSAGE Recommendations from the Institute of Medicine Health Programe of the US NIH (United States National Institutes of Health) suggest that mg to mg ( IU — IU vitamin A)( of beta-carotene daily are associated with lower risks of chronic disease. A typical serving of spirulina powder ( tsp, or g) falls well within these guidelines. Each serving has approximately mg of beta-carotene and mg of cryptoxanthin. Among all the essential vitamins and minerals, Vitamin D is one of the strangest. There are some food sources that provide Vitamin D, but we mostly get it from the sun. Or more accurately, we produce it ourselves when the skin is exposed to the sun’s ultraviolet rays. But although many .