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OTC · No prescriptionRaptokos & BrettNutritional supplement
Zerolac Casein
Casein
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Zerolac Casein is used for this medicine is used in the treatment of protein supplementation, nutritional support and recovery and convalescence.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Licensed pharmacyPharmacist-verified order
Key details
Salt: Casein
Available variants: NA 400GM
Best price: ₹470 (₹1.18 per g)
MRP: ₹495
Prescription: Not required
Manufacturer: RAPTOKOS & BRETT
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 Zerolac Casein
Zerolac Casein contains Casein. It belongs to the Protein and amino-acid supplement class of medicines.
Uses of Zerolac Casein
- This medicine is used in the treatment of protein supplementation
- nutritional support and recovery and convalescence.
Key benefits
- Supports muscle maintenance and repair
- Useful when dietary intake is inadequate
How Zerolac Casein works
Casein supplies protein and amino acids, the building blocks your body uses to repair and maintain muscle and tissue.
How to take Zerolac Casein
Use this medicine as your doctor has directed. 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 may cause stomach upset and, with prolonged excess, puts avoidable load on the kidneys. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Side effects of Zerolac Casein
Most side effects of Zerolac Casein are mild and settle as the body adjusts. Reported side effects include:
- Bloating
- Flatulence
- Loose motions
- Nausea
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 Zerolac Casein
| Pregnancy | Consult your doctor before using this in pregnancy. |
|---|---|
| Breastfeeding | Consult your doctor before using this while breastfeeding. |
| Alcohol | No significant interaction with alcohol is expected. |
| Driving | Not expected to affect your ability to drive. |
| Kidney | Consult your doctor if you have kidney disease. |
| Liver | Use with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function. |
| Habit forming | No |
Warnings and precautions
Tell your doctor before taking a protein supplement if you have kidney disease — the protein load matters. Drink plenty of water while taking a protein supplement. Check the label for milk or soy if you have an allergy or are lactose intolerant.
Do not take Zerolac Casein if
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with inherited disorders of amino-acid metabolism, or with a known allergy to the protein source.
Interactions with other medicines
No significant medicine interactions are expected for most protein supplements.
How to store Zerolac Casein
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Expert advice for Zerolac Casein
Mix it as directed on the pack; a thicker mix is not a stronger one. Use it alongside meals, not instead of them, unless your dietitian has said otherwise.
Manufacturer and class
- Manufacturer:
- RAPTOKOS & BRETT
- Therapeutic class:
- Nutritional supplement
- Drug class:
- Protein and amino-acid supplement
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Zerolac Casein FAQs
What is Zerolac Casein used for?
Zerolac Casein is commonly used for This medicine is used in the treatment of protein supplementation, nutritional support and recovery and convalescence. 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 Zerolac Casein?
Zerolac Casein contains Casein. 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 Zerolac Casein?
Use this medicine as your doctor has directed. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Zerolac Casein work?
Casein supplies protein and amino acids, the building blocks your body uses to repair and maintain muscle and tissue.
Is Zerolac Casein a prescription medicine?
No. Zerolac Casein 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 Zerolac Casein?
The side effects reported most often with Zerolac Casein are Bloating, Flatulence, Loose motions, Nausea. 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 Zerolac Casein be taken during pregnancy?
Consult your doctor before using this in pregnancy. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Zerolac Casein.
Can I drink alcohol while taking Zerolac Casein?
No significant interaction with alcohol is expected.
What if I miss a dose of Zerolac Casein?
Take it as soon as you remember.
Is Zerolac Casein habit forming?
No. Zerolac Casein is not known to be habit forming when taken as prescribed.
How much does Zerolac Casein cost on PingMeDoc Pharmacy?
Zerolac Casein starts at ₹470 (MRP ₹495) on PingMeDoc Pharmacy. Available in NA 400GM. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Zerolac Casein?
Zerolac Casein is manufactured by RAPTOKOS & BRETT. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Zerolac Casein delivered?
Zerolac Casein 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.
Zerolac Casein, Quick facts
- Salt
- Casein
- Best price
- ₹470 (₹1.18 per g)
- MRP
- ₹495
- Prescription
- Not required (OTC)
- Brand
- RAPTOKOS & BRETT
- Manufacturer
- RAPTOKOS & BRETT
- Therapeutic class
- Nutritional supplement
- Drug class
- Protein and amino-acid supplement
- Habit forming
- No
- Variants
- NA 400GM
- Delivery
- Standard across India
References
The information on Zerolac Casein 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.
- PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
- CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
- Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
- National List of Essential Medicines (NLEM) 2022, Government of India.
- Manufacturer's package insert / prescribing information for Zerolac Casein.
- 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.