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OTC · No prescriptionGlaxo Smithkline PharmaCalcium & Vitamin D supplement

Centrum Ostocalcium-300 Suspension

Calcium carbonate (equivalent to elemental calcium 300 mg) per 5 ml suspension; Vitamin D3 (cholecalciferol) strength:

Centrum Ostocalcium-300 Suspension is used for prevention and treatment of calcium and vitamin D deficiency, osteoporosis/osteopenia support, adjunct in fracture healing, increased calcium needs (elderly, post-menopausal women).

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

₹209MRP ₹2205% off₹1.05 per ml
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Calcium carbonate (equivalent to elemental calcium 300 mg) per 5 ml suspension; Vitamin D3 (cholecalciferol) strength:
Available variants: suspension suspension 200ML
Best price: ₹209 (₹1.05 per ml)
MRP: ₹220
Prescription: Not required
Manufacturer: GLAXO SMITHKLINE PHARMA

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Centrum Ostocalcium-300 Suspension

Centrum Ostocalcium-300 Suspension contains Calcium carbonate (equivalent to elemental calcium 300 mg) per 5 ml suspension; Vitamin D3 (cholecalciferol) strength:. It belongs to the Mineral supplement (calcium salt) + Vitamin D analog class of medicines.

Uses of Centrum Ostocalcium-300 Suspension

  • Prevention and treatment of calcium and vitamin D deficiency
  • osteoporosis/osteopenia support
  • adjunct in fracture healing
  • increased calcium needs (elderly
  • post-menopausal women).

Key benefits

  • Helps prevent/treat calcium deficiency
  • Supports bone strength and mineralization
  • Adjunct support in osteoporosis
  • Helps reduce risk of fractures in deficiency states
  • Supports muscle and nerve function

How Centrum Ostocalcium-300 Suspension works

Calcium supplementation helps maintain normal bone mineralization and supports neuromuscular function. Vitamin D3 increases intestinal absorption of calcium and phosphate, improving bone strength and reducing deficiency-related bone loss.

How to take Centrum Ostocalcium-300 Suspension

Oral suspension. Shake well before use. Take the dose as advised by a doctor, usually after food; use a measuring cup/spoon. Maintain a gap of 2–4 hours from iron, thyroid medicines, or certain antibiotics if prescribed.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can raise blood calcium dangerously, causing thirst, frequent urination, vomiting, confusion and kidney damage. It can cause vomiting and stomach pain, and with iron can be dangerous, especially in children. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Centrum Ostocalcium-300 Suspension

Most side effects of Centrum Ostocalcium-300 are mild and settle as the body adjusts. Reported side effects include:

  • Constipation
  • nausea
  • vomiting
  • abdominal discomfort
  • bloating
  • gas
  • chalky taste

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Centrum Ostocalcium-300 Suspension

PregnancyConsult doctor
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholUse with caution
DrivingNot expected to affect your ability to drive.
KidneyConsult your doctor if you have kidney disease.
LiverUse with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function.
Habit formingNo

Warnings and precautions

Do not use in hypercalcaemia, hypervitaminosis D, severe renal impairment, nephrolithiasis (kidney stones) or sarcoidosis unless advised. Use with caution in kidney disease and in patients on digitalis; monitor calcium levels if on long-term therapy. Excess intake may cause hypercalcaemia (thirst, frequent urination, confusion, weakness).

Do not take Centrum Ostocalcium-300 if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with a high blood calcium level, or with certain kidney stones.

Interactions with other medicines

Thiazide diuretics (risk of hypercalcaemia), digoxin/cardiac glycosides (arrhythmia risk with high calcium), tetracyclines and quinolones (reduced antibiotic absorption), levothyroxine (reduced absorption), bisphosphonates (reduced absorption), iron salts (reduced absorption)

How to store Centrum Ostocalcium-300 Suspension

Store below 25°C in a cool, dry place. Protect from light. Keep bottle tightly closed. Do not freeze. Keep out of reach of children.

Expert advice for Centrum Ostocalcium-300 Suspension

Take calcium with food, and split the day's total if you take a large amount. Sunlight helps your body make its own vitamin D. Have your level rechecked as your doctor advises rather than continuing high doses indefinitely. Take it with food unless the pack says otherwise. Have deficiencies confirmed and rechecked by blood test rather than supplementing indefinitely.

Manufacturer and class

Manufacturer:
GLAXO SMITHKLINE PHARMA
Therapeutic class:
Calcium & Vitamin D supplement
Drug class:
Mineral supplement (calcium salt) + Vitamin D analog

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Centrum Ostocalcium-300 Suspension FAQs

What is Centrum Ostocalcium-300 Suspension used for?
Centrum Ostocalcium-300 Suspension is commonly used for Prevention and treatment of calcium and vitamin D deficiency, osteoporosis/osteopenia support, adjunct in fracture healing, increased calcium needs (elderly, post-menopausal women). Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Centrum Ostocalcium-300 Suspension?
Centrum Ostocalcium-300 Suspension contains Calcium carbonate (equivalent to elemental calcium 300 mg) per 5 ml suspension; Vitamin D3 (cholecalciferol) strength:. If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Centrum Ostocalcium-300 Suspension?
Oral suspension. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Centrum Ostocalcium-300 Suspension work?
Calcium supplementation helps maintain normal bone mineralization and supports neuromuscular function.
Is Centrum Ostocalcium-300 Suspension a prescription medicine?
No. Centrum Ostocalcium-300 Suspension is available over the counter (OTC), no prescription is required. However, it is always safer to consult a doctor or pharmacist before use.
What are the common side effects of Centrum Ostocalcium-300 Suspension?
The side effects reported most often with Centrum Ostocalcium-300 are Constipation, nausea, vomiting, abdominal discomfort, bloating. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Centrum Ostocalcium-300 Suspension be taken during pregnancy?
Consult doctor Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Centrum Ostocalcium-300.
Can I drink alcohol while taking Centrum Ostocalcium-300 Suspension?
Use with caution
What if I miss a dose of Centrum Ostocalcium-300 Suspension?
Take it as soon as you remember.
Is Centrum Ostocalcium-300 Suspension habit forming?
No. Centrum Ostocalcium-300 Suspension is not known to be habit forming when taken as prescribed.
How much does Centrum Ostocalcium-300 Suspension cost on PingMeDoc Pharmacy?
Centrum Ostocalcium-300 Suspension starts at ₹209 (MRP ₹220) on PingMeDoc Pharmacy. Available in suspension suspension 200ML. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Centrum Ostocalcium-300 Suspension?
Centrum Ostocalcium-300 Suspension is manufactured by GLAXO SMITHKLINE PHARMA. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Centrum Ostocalcium-300 Suspension delivered?
Centrum Ostocalcium-300 Suspension is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Centrum Ostocalcium-300 Suspension, Quick facts

Salt
Calcium carbonate (equivalent to elemental calcium 300 mg) per 5 ml suspension; Vitamin D3 (cholecalciferol) strength:
Form
suspension
Best price
₹209 (₹1.05 per ml)
MRP
₹220
Prescription
Not required (OTC)
Brand
GLAXO SMITHKLINE PHARMA
Manufacturer
GLAXO SMITHKLINE PHARMA
Therapeutic class
Calcium & Vitamin D supplement
Drug class
Mineral supplement (calcium salt) + Vitamin D analog
Habit forming
No
Variants
suspension suspension 200ML
Delivery
Standard across India

References

The information on Centrum Ostocalcium-300 Suspension is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. Manufacturer labeling, established medical literature (calcium/vitamin D)
  2. Indian supplement product information standards
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Centrum Ostocalcium-300 Suspension.
  6. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.