Adequate levels of Vitamin D are vital for the development and upkeep of strong bones and teeth. Opting for Vitamin D3 as a supplement is ideal since it is the natural form generated by your body through sunlight exposure, making it a perfect choice. Calcium, the primary component of bone, is only properly absorbed by your body when vitamin D is present POSSIBLE BENEFITS: Improved immune system Improved bone health Improved nerve health May help reduce menstrual pain *1x/month. Check labs periodically. This is a fat-soluble vitamin and can accumulate in the body. IM only. Do not take any supplemental Vitamin D by mouth once service received. Possible side effects include but are not limited to: Diarrhea, Vomiting, Upset Stomach, Nausea