To order 2000 IU Vitamin D3 currently recommended by the Food and Nutrition Board Click here:Better Value D3, 2,000 IU Vitamin D3, 60 capsules, NLF
To order 5,000 IU Vitamin D3 (and take two per day) for the Council for Responsible Nutrition recommended safe upper limit of 10,000 IU
Click here:Best Value D3, 5,000 IU Vitamin D3, 60 capsules, NLF Lots of new research indicates Vitamin D to avoid cancer and to avoid colds25,000 IU of Vitamin D can be toxic to adults if taken over a prolonged period. Vitamin D toxicity can be largely prevented by generous amounts of vitamins C, E, or cholin.
It is made far worse by a deficiency of vitamin E or magnesium; either deficiency causes large amounts of calcium to be laid down in soft tissues. Ref: Hans Selye, Calciphylasis (Chicago: University of Chicago Press, 1962); Eors Bajusz, Nutritional Aspects of Cardiovascular Disease (Philadelphia: J.B. Lippincott Company, 1965).