Ortocel Nutri-Therapy Vitamin D 4000 IU is a vitamin supplement containing 100 tablets. Vitamin D is essential for maintaining healthy bones and teeth, as well as for the proper functioning of the immune system. This product is used to prevent and treat vitamin D deficiency, especially in people with limited sun exposure or who have difficulty absorbing this vitamin through their diet. It is important to consult a healthcare professional before starting any vitamin supplement. Instructions for use The recommended use for Ortocel Nutri-Therapy Vitamin D 4000 IU 100 Tablets is to take 1 tablet daily, preferably with a meal. It is recommended to follow the manufacturers instructions and consult a healthcare professional before starting any vitamin supplement. Ingredients The main active ingredient of Ortocel Nutri-Therapy Vitamin D 4000Iu 100 Tablets is vitamin D.