Short and Long Term Variations in Serum Calciotrophic Hormones after a Single Very Large Dose of Ergocalciferol (Vitamin D2) or Cholecalciferol (Vitamin D3) in the Elderly.
Conclusions: Cholecalciferol is almost twice as potent as ergocalciferol in raising serum 25(OH)D, when administered either by mouth or im. 25(OH)D plays a role in modulating serum PTH.
PMID: 18492750 [PubMed - as supplied by publisher] (Source: The Journal of Clinical Endocrinology and Metabolism)
Health Buzz: Calcium Pills Linked to Heart Attack Risk
Vitamins and supplements: do they work? Plus, 4 herbal supplements your doctor hates. (Source: U.S. News - Health)
