Himalayan Organics Calcium, Magnesium & Vitamin D3 Immunity Booster, Anti-Oxidant Supplement - 20 Effervescent Tablets ( Lime Flavor ) is a Nutritional supplement, that is primarily used for the treatment of Weak immune system, Heart Disease, Weakness, Nutritional Deficiency, and Fatigue. The key ingredients of Himalayan Organics Calcium, Magnesium & Vitamin D3 Immunity Booster, Anti-Oxidant Supplement - 20 Effervescent Tablets ( Lime Flavor ) are Magnesium, Calcium, and Vitamin D3. The properties of which have been shared below. The correct dosage of Himalayan Organics Calcium, Magnesium & Vitamin D3 Immunity Booster, Anti-Oxidant Supplement - 20 Effervescent Tablets ( Lime Flavor ) depends on the patient's age, gender, and medical history. This information has been provided in detail in the dosage section.