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C-NAC Eye Drop

Intas Pharmaceuticals Ltd • Sterile ophthalmic drops • 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 “artificial tears” 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 “artificial tears” 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:

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 5–10 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	10–21 business days	Customs timelines vary.
Asia / Africa	7–15 business days	Route-dependent.
Express	5–10 business days	Extra cost; limited lanes.

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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.

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.