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VITAMIN D3 belongs to the class of 'Vitamins', primarily used to treat low blood calcium levels. VITAMIN D3 effectively treats various conditions in the body like Vitamin D deficiency, osteoporosis (weak and brittle bones), hypoparathyroidism (parathyroid glands make low levels of calcium in the body), latent tetany (a muscle disease with low blood calcium levels) and rickets or osteomalacia (softening or deforming of bones due to lack of calcium). Vitamin D deficiency occurs when your body has low Vitamin D levels and is caused due to inadequate nutrition, intestinal malabsorption or lack of sunlight exposure.

VITAMIN D3 contains 'Vitamin-D3' (Cholecalciferol). It helps maintain blood calcium and phosphorus levels and the mineralization of bone. It is used to treat and prevent bone disorders, such as rickets and osteomalacia. It aids in calcium absorption enabling bone growth and repair. It further prevents cartilage degeneration.

Your doctor will decide the dosage based on your medical condition. VITAMIN D3 is likely safe to use. In some cases, it may cause side effects like constipation, vomiting, and nausea. These side effects do not require medical attention and gradually resolve over time. If these side effects persist, please consult your doctor immediately.

If you take any medicines or supplements, inform your doctor before starting VITAMIN D3. If you are allergic to VITAMIN D3 or any other medicines, it is advised to inform your doctor before starting VITAMIN D3. Pregnant or breastfeeding women should consult their doctor before taking VITAMIN D3. This supplement does not interfere with your driving ability. Limit alcohol intake while using VITAMIN D3. This supplement is recommended for children when advised by a doctor.

Uses of VITAMIN D3

Osteoporosis, Osteomalacia (Rickets), Vitamin D deficiency, Hypoparathyroidism, and Latent tetany.

Medicinal Benefits

VITAMIN D3 contains Vitamin D3 (Cholecalciferol). It is a steroid hormone produced in the skin when exposed to ultraviolet light or obtained from food sources. It is a provitamin that is converted into a vitamin after intake.  It helps maintain blood calcium and phosphorus levels and the mineralization of bone. VITAMIN D3 is also used in the treatment of familial hypophosphatemia (a group of rare inherited disorders characterized by impaired kidney conservation of phosphate and in some cases, altered vitamin D metabolism).

Directions for Use

Tablet/Capsule: Swallow it as a whole with a glass of water. Do not crush, chew or break it. Chewable tablet: Take the chewable tablet by mouth. Chew it completely before swallowing. Oral Solution/Drops: Shake the bottle well before use. Take the recommended dose by mouth using the measuring cup/dosing syringe/dropper provided by the pack. Sachet/Powder: Check the label for directions before use. Mix the recommended amount in water, stir well and drink immediately.


Store in a cool and dry place away from sunlight

Side Effects of VITAMIN D3

  • Constipation
  • Nausea
  • Vomiting

In-Depth Precautions and Warning

Drug Warnings

VITAMIN D3 should be used with caution in hypercalcemia, renal impairment, electrolyte imbalance, heart diseases, kidney stones and hypervitaminosis D. Tell your doctor if you are allergic to VITAMIN D3. Chewable tablets of Vitamin D3 may contain sugar or aspartame, hence caution should be taken in diabetes and phenylketonuria. Please check the product leaflet before consumption.  Pregnant or breastfeeding women should consult their doctor before taking VITAMIN D3. Higher doses of Vitamin D than the recommended daily dose should be used in pregnant women only when advised by the doctor. VITAMIN D3 is safe to use in children when advised by the doctor.

Drug Interactions

Drug-Drug Interaction: VITAMIN D3 may interact with drugs treating high cholesterol levels (cholestyramine), anti-epileptic (carbamazepine, phenobarbital), antibiotics (doxycycline, neomycin, and chloramphenicol), drugs treating bone loss (alendronate), thyroid hormone (levothyroxine), diuretics (hydrochlorothiazide) and heart-related medicines (digoxin).

Drug-Food Interaction: Limit alcohol intake during the course to get the maximum benefits of VITAMIN D3.

Drug-Disease Interaction: Let your doctor know if you have hypercalcemia, hypervitaminosis D, malabsorption syndrome (difficulty absorbing nutrition from food), Vitamin D toxicity, heart/kidney/liver/blood vessel diseases, and kidney stones before using VITAMIN D3.

Drug-Drug Interactions Checker List:

  • Safety Advice

    • Safety Warning



      It is advisable to limit/avoid alcohol intake during the treatment. Please consult a doctor before consuming alcohol while using VITAMIN D3.

    • Safety Warning


      consult your doctor

      Inform your doctor if you are pregnant before taking VITAMIN D3.

    • Safety Warning

      Breast Feeding

      consult your doctor

      Please consult your doctor if you are a nursing mother before taking VITAMIN D3.

    • Safety Warning



      VITAMIN D3 usually does not interfere with your driving ability.

    • Safety Warning



      Inform your doctor if you have any history of liver diseases before taking VITAMIN D3. Liver impairment can alter the metabolic and therapeutic activity of certain Vitamin D forms.

    • Safety Warning



      It is advised to seek your doctor's advice before starting VITAMIN D3 if you have kidney diseases like kidney stones or undergoing dialysis.

    • Safety Warning


      consult your doctor

      VITAMIN D3 should be used in children only when advised by a doctor. Dose adjustment may be necessary.

    Habit Forming


    Diet & Lifestyle Advise

    • Include dairy products like milk, yoghurt, cheese or milk-based custard in your diet.

    • Eat daily a serving of broccoli, cabbage, bok choy, spinach and other green leafy vegetables.

    • Include the best dietary sources of vitamin D, such as fish liver oils and vitamin D–fortified milk.

    • Snack on calcium-rich nuts like Brazil nuts or almonds. 

    • Spend time under the sunlight for at least 30 minutes early in the morning.

    • Sprinkle sesame seeds over your food, vegetables and salads. Sesame seeds are high in calcium.

    • Avoid or reduce the intake of caffeine, soft drinks and alcohol that inhibit calcium absorption.

    • Replace the meat with tofu or tempeh for extra calcium in your food.

    Special Advise

    It is advised to timely monitor your Vitamin D levels through blood examination.

    Patients Concern

    Disease/Condition Glossary

    Vitamin D deficiency: When a person cannot get enough Vitamin D through food and exposure to sunlight, it leads to vitamin D deficiency. It often leads to thin, brittle, or misshapen bones. 

    Osteoporosis: It is a bone disease that makes the bones weak and brittle by decreasing bone density. 

    Tetany: A disease condition due to low calcium levels (hypocalcemia) in the body that causes cramps and spasms in the hands, feet, and larynx (voice box).

    Osteomalacia/Rickets: A disease caused by softening and weakening of bones in children due to inadequate vitamin D. 

    Hypoparathyroidism: It is a disease characterized by low levels of parathyroid hormone. This can cause low calcium levels and trigger tetany (muscle cramps, spasms, or tremors). 


    How does VITAMIN D3 work?

    VITAMIN D3 is a dietary supplement that consists of Vitamin D3 (Cholecalciferol). It helps maintain blood calcium and phosphorus levels and the mineralization of bone. When you don't get enough Vitamin D from food sources and sunlight exposure, VITAMIN D3 helps replenish those low levels.

    In which conditions should I avoid taking VITAMIN D3?

    VITAMIN D3 should be used with caution in conditions like hypercalcaemia (high calcium levels), hypervitaminosis D (high vitamin D levels), liver/kidney problems, heart diseases, phenylketonuria (increased phenylalanine levels in the blood), and diabetes.

    What happens if I miss a dose?

    If you miss a dose, take it as soon as you remember. However, if it is time for the next scheduled dose, skip the missed dose and follow your usual dosage.

    Can I take antacids while using VITAMIN D3?

    Antacids usually do not interfere with the absorption of VITAMIN D3. However, it is advised to take VITAMIN D3 two hours before or four hours after taking antacids.

    Available Medicines for