Vitamin D is a vital fat-soluble nutrient that functions as a pro-hormone in the body. While it includes both ergocalciferol (D2) and cholecalciferol (D3), it is primarily responsible for maintaining normal blood levels of calcium and phosphorus, supporting bone health, and regulating immune responses.
Clinical Summary
Crucial for the prevention of rickets and osteomalacia. Widespread deficiency makes it one of the most highly recommended supplements for general immune and skeletal health.
Dosage Guidelines
1,000 to 4,000 IU daily for maintenance; clinical deficiency requires higher therapeutic doses.
Safety & Side Effects
Toxicity (hypercalcemia) is rare but possible with chronic excessive dosing.
Known Interactions
May interact with orlistat (weight loss drug), thiazide diuretics, and corticosteroids.
Medical Disclaimer
The information provided in this clinical review is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment.
*These statements have not been evaluated by the Food and Drug Administration (FDA). This product or ingredient is not intended to diagnose, treat, cure, or prevent any disease.
Always consult your physician or other qualified health provider with any questions you may have regarding a medical condition, or before beginning any new diet, fitness, supplement, or treatment regimen, especially if you have pre-existing medical conditions or are taking prescribed medications.
