Suggested Dose: 400 I.U. to 1000 I.U.
Take one tablet daily.
Controls absorption of phosphorous and calcium in small intestine. Promotes health development of bones, and teeth. Necessary for thyroid function. Used in treatment of herpes zoster and herpes simplex, cystic fibrosis, arthritis, normal use of calcium and phosphorous for strong bones and teeth, calcium absorption, maintains stable nervous system and normal heart action, aids sleep by helping absorb calcium, and blood clotting.