Vitamin D3 loading and maintaining dose calculator

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Taking too much vitamin D3 can create health risks. This calculator is intended for illustrative and educational purposes only and is not warranted for any medical use. The recommendation is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician with any questions you may have regarding a medical condition. For more detailed information, please refer to
Van Groningen, L. et al. Cholecalciferol loading dose guideline for vitamin D-deficient adults. European Journal of Endocrinology 162, 805-811 (2010).
Singh, G. & Bonham, A. J. A Predictive Equation to Guide Vitamin D Replacement Dose in Patients. The Journal of the American Board of Family Medicine 27, 495-509 (2014).