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OTC · No prescriptionAlniche Life SciencesVitamin and mineral supplement

Zerofos Tablet

Calcium Acetate

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Zerofos Tablet is used for this medicine is used in the treatment of vitamin d deficiency, low calcium, osteoporosis and bone health.

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

Licensed pharmacyPharmacist-verified order

Key details

Salt: Calcium Acetate
Available variants: tablet 10`S
Best price: ₹41 (₹4.12 per tablet)
MRP: ₹43
Prescription: Not required
Manufacturer: ALNICHE LIFE SCIENCES

Ordering notes

Delivery details are shown when the medicine is back in stock.
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Zerofos Tablet

Zerofos Tablet contains Calcium Acetate. It belongs to the Vitamin D / calcium supplement class of medicines.

Uses of Zerofos Tablet

  • This medicine is used in the treatment of vitamin d deficiency
  • low calcium
  • osteoporosis and bone health.

Key benefits

  • Corrects a very common deficiency in India
  • Supports bone strength and muscle function
  • Reduces the risk of fractures when a deficiency is present

How Zerofos Tablet works

Calcium helps your gut absorb calcium and keeps the mineral level in your blood and bones where it should be.

How to take Zerofos Tablet

Swallow the tablet whole with a glass of water. Do not chew, crush or break it unless your doctor has told you to. Take it with food. Taking it at about the same time each day helps you remember. Follow the dose and the duration written on your prescription.

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. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Zerofos Tablet

Most side effects of Zerofos are mild and settle as the body adjusts. Reported side effects include:

  • Constipation
  • Bloating
  • Nausea
  • Stomach discomfort

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 Zerofos Tablet

PregnancyGenerally considered safe in pregnancy. Tell your doctor if you are pregnant or planning to be.
BreastfeedingGenerally considered safe while breastfeeding.
AlcoholAlcohol may worsen the side effects of this medicine. Limit it.
DrivingNot expected to affect your ability to drive.
KidneyConsult your doctor if you have kidney disease.
LiverNo dose change is usually needed in liver disease.
Habit formingNo

Warnings and precautions

Do not take more than your doctor has advised. Vitamin D builds up in the body and too much raises blood calcium, causing thirst, frequent urination, nausea and confusion. High-dose weekly or monthly sachets are prescription strengths — do not repeat one because you missed a week. Tell your doctor if you have had kidney stones or have kidney disease.

Do not take Zerofos 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

Calcium reduces the absorption of thyroid tablets, several antibiotics and iron — separate them by a few hours. Water tablets of the thiazide group raise calcium further when combined.

How to store Zerofos Tablet

Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.

Expert advice for Zerofos Tablet

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.

Manufacturer and class

Manufacturer:
ALNICHE LIFE SCIENCES
Therapeutic class:
Vitamin and mineral supplement
Drug class:
Vitamin D / calcium supplement

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Zerofos Tablet FAQs

What is Zerofos Tablet used for?
Zerofos Tablet is commonly used for This medicine is used in the treatment of vitamin d deficiency, low calcium, osteoporosis and bone health. 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 Zerofos Tablet?
Zerofos Tablet contains Calcium Acetate. 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 Zerofos Tablet?
Swallow the tablet whole with a glass of water. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Zerofos Tablet work?
Calcium helps your gut absorb calcium and keeps the mineral level in your blood and bones where it should be.
Is Zerofos Tablet a prescription medicine?
No. Zerofos Tablet 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 Zerofos Tablet?
The side effects reported most often with Zerofos are Constipation, Bloating, Nausea, Stomach discomfort. 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 Zerofos Tablet be taken during pregnancy?
Generally considered safe in pregnancy. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Zerofos.
Can I drink alcohol while taking Zerofos Tablet?
Alcohol may worsen the side effects of this medicine.
What if I miss a dose of Zerofos Tablet?
Take it as soon as you remember.
Is Zerofos Tablet habit forming?
No. Zerofos Tablet is not known to be habit forming when taken as prescribed.
How much does Zerofos Tablet cost on PingMeDoc Pharmacy?
Zerofos Tablet starts at ₹41 (MRP ₹43) on PingMeDoc Pharmacy. Available in tablet 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Zerofos Tablet?
Zerofos Tablet is manufactured by ALNICHE LIFE SCIENCES. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Zerofos Tablet delivered?
Zerofos Tablet 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.

Zerofos Tablet, Quick facts

Salt
Calcium Acetate
Form
tablet
Best price
₹41 (₹4.12 per tablet)
MRP
₹43
Prescription
Not required (OTC)
Brand
ALNICHE LIFE SCIENCES
Manufacturer
ALNICHE LIFE SCIENCES
Therapeutic class
Vitamin and mineral supplement
Drug class
Vitamin D / calcium supplement
Habit forming
No
Variants
tablet 10`S
Delivery
Standard across India

References

The information on Zerofos Tablet 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. PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
  2. CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
  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 Zerofos Tablet.
  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.