Informational only — Not medical advice. Always consult a licensed healthcare provider.

Community data Updated 2 months ago
300 mg
Strip (10): ৳5.00 Box (10 × 10 = 100): ৳50.00
৳0.50 per tablet

Prices are indicative MRP and may vary by pharmacy. Trend compares against the last recorded price.

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Save on this medicine

Same active ingredient — pay up to 66% less

These brands contain the same active ingredient (Calcium Lactate). Same strength and form. Confirm the switch with your doctor or pharmacist.

From ৳0.50 per tablet
Available as: 300 mg · 10 x 10

Indications & Uses

Calac is indicated for:

Pharmacology

Calcium Lactate works through three main actions. It supplements dietary calcium, it neutralizes gastric acid in peptic ulcer disease, and it binds phosphorus in the intestine to lower the total phosphate buildup seen in chronic renal disease. By reducing serum phosphate concentration in this way, it also helps ensure calcium phosphate is properly deposited in bone and soft tissue.

Dosage Reference

Reference Information Only

Dosages shown are general references from official sources. Always consult your doctor or pharmacist for personalized dosing.

Adults:

Adults, including the elderly: 1 to 2 tablets (300 mg to 600 mg) daily. Children over 3 years: 1 tablet (300 mg) daily. Pregnant women: 3 to 4 tablets (900 mg to 1200 mg) daily, taken during the third trimester and while breastfeeding.

Side Effects

Taking Calate by mouth may occasionally cause stomach upset (gastrointestinal irritation) and constipation, although this type of effect is rare.

Cautions & Contraindications

Warnings & Precautions

Use with caution in patients with impaired kidney function, heart disease, or sarcoidosis.

Contraindications

Calcium lactate should not be given to patients with hypercalcaemia linked to sarcoidosis or to bone metastases from a malignant (neoplastic) process.

Storage

Store Calcium Lactate below 30°C, and keep it away from light and moisture. Keep it out of the reach of children.

Drug Interactions

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Moderate Atenolol
Moderate Zinc
Moderate Sodium Fluoride
Moderate Iron

Common questions about Calac 300 mg

What is Calac 300 mg Tablet?

Calac 300 mg Tablet is a medicine that contains Calcium Lactate. It is made by Opsonin Pharma Limited. It belongs to the Minerals in bone formation group of medicines.

What is Calac used for?

Calac is used for: Epilepsy, Eczema, Calcium Deficiency.

What are the side effects of Calac?

Taking Calate by mouth may occasionally cause stomach upset (gastrointestinal irritation) and constipation, although this type of effect is rare.

How should I store Calac?

Store Calcium Lactate below 30°C, and keep it away from light and moisture. Keep it out of the reach of children.

Can I take other medicines with Calac?

Some medicines can interact with Calcium Lactate, for example: Atenolol, Zinc, Sodium Fluoride, Iron, Tetracycline Hydrochloride. Tell your doctor or pharmacist about every medicine you take.

Is there a cheaper medicine with the same ingredient?

Calcitate by Ambee Pharmaceuticals Ltd. has the same ingredient and strength for ৳0.17 per unit, compared with ৳0.50 for Calac. Ask your doctor or pharmacist before switching.

Do I need a prescription for Calac?

Calac is a prescription (Rx) medicine. Take it as your doctor advises.

Last updated: 20 Aug 2026