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C-NAC Eye Drop
Intas Pharmaceuticals Ltd โข Sterile ophthalmic drops โข Common pack: 10 ml
C-NAC Eye Drop is commonly listed as a combination of
sodium carboxymethylcellulose (CMC) and N-acetyl-carnosine (often also with glycerin),
used for dry-eye discomfort and lubrication support.
Carboxymethylcellulose is widely used as an โartificial tearsโ lubricant to help relieve dry or irritated eyes.
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Product Overview
| Brand Name | C-NAC Eye Drop |
| Key Ingredients | Sodium Carboxymethylcellulose (CMC) + N-Acetyl-Carnosine (often with Glycerin) |
| Dosage Form | Sterile Ophthalmic Drops |
| Pack Size | 10 ml (commonly listed) |
| Manufacturer / Marketer | Intas Pharmaceuticals Ltd |
| Primary Use | Lubrication support for dry eye discomfort |
Note: Exact composition strengths can vary by market/batch. Always check the product label and follow clinician advice.
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How it works (patient-friendly)
- Carboxymethylcellulose (CMC) acts as an โartificial tearsโ lubricant that helps relieve dryness and irritation.
- Glycerin (when present) is also a lubricant and helps improve comfort in dry-eye symptoms.
- N-acetyl-carnosine is often described as an antioxidant ingredient in some product listings; however, high-quality evidence for cataract prevention/reversal is not convincing.
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How to use (general guidance)
Use exactly as directed on the label or by your eye specialist. Typical lubricating drops are used as needed during the day.
For best hygiene:
For best hygiene:
- Wash hands before use.
- Avoid touching the dropper tip to the eye or any surface.
- After instilling drops, close the eye gently for a few seconds.
If you use multiple eye medications, ask your clinician about spacing them (commonly 5โ10 minutes apart).
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Possible side effects & when to seek help
- Temporary stinging, mild burning, or blurred vision right after use can occur with lubricating drops.
- Stop use and seek urgent care if you have severe pain, swelling, vision loss, or signs of allergy.
If symptoms persist, discuss with an eye-care professional to rule out infection, injury, or other causes.
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Shipping & support (BuyAllMD)
| Region | Typical ETA (estimate) | Notes |
|---|---|---|
| USA / UK / EU | 10โ21 business days | Customs timelines vary. |
| Asia / Africa | 7โ15 business days | Route-dependent. |
| Express | 5โ10 business days | Extra cost; limited lanes. |
Evidence note about cataract claims
Some product listings describe N-acetyl-carnosine as an antioxidant and suggest benefits related to cataracts.
However, a Cochrane review reported no convincing evidence that N-acetyl-carnosine eye drops reverse cataract or prevent progression.
For cataracts, consult an ophthalmologist for evidence-based options.
However, a Cochrane review reported no convincing evidence that N-acetyl-carnosine eye drops reverse cataract or prevent progression.
For cataracts, consult an ophthalmologist for evidence-based options.
Medical & Service Disclaimer
This page is for informational purposes only and does not provide medical advice. Always consult a licensed eye-care professional before starting,
stopping, or changing any medication. Import rules vary by country; customers are responsible for compliance with local regulations.
BuyAllMD operates as a sourcing/fulfilment facilitator and does not replace professional care.
stopping, or changing any medication. Import rules vary by country; customers are responsible for compliance with local regulations.
BuyAllMD operates as a sourcing/fulfilment facilitator and does not replace professional care.
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