n acetyl cysteine (NAC) USP Grade

n acetyl cysteine (NAC) USP Grade


In stock


USP Grade

USP grade is acceptable for food, drug, or medicinal use.

99% Purity

Recommended Dosage (Indicative Only)


The recommended dosage of quercetin for dietary consumption is between 250 to 500 mg daily.
Refer to DRGD NPRA Guidelines for Malaysian complaints.


Quercetin can also be applied directly to skin for many of its benefits, usually in the form of a cream. For application directly to skin, a concentration of 1% or lower is generally recommended as it may cause irritation at higher dosages.


NAC is an essential supplement that is designed to support your body’s natural detoxification pathways. By providing your body with a specialized form of the amino acid cysteine, NAC helps replenish important sulfur-containing antioxidants. This makes it an essential ingredient to help fight off free radicals and other environmental toxins as part of a healthy lifestyle. As a source of cysteine, NAC acts as a precursor for glutathione, which is an antioxidant that plays a significant role in cellular health by aiding in detoxification functions.

With USP Grade NAC from Its, you’ll enjoy the best quality: this grade of NAC has been tested and verified for purity, potency, solubility, and more. Formulated specifically for optimal absorption, you can rest assured knowing that you’re getting the highest quality supplement with full traceability and quality assurance. The blend contains all-natural ingredients that are non-GMO and free from gluten, dairy, soy, corn, eggs, nuts and animal products.

Experience the difference today by adding USP Grade NAC supplements from It’s to your day—it’s the perfect way to protect your body from toxins while optimizing your overall health!

Certifications - Chemist (IKM)

Did you know Certifications, Specifications and Chemical Analysis are ONLY issued by a Board Registered Chemist (IKM)?

You unknowingly could be engaging in an offense that could result in imprisonment or fines.

The requirement under Malaysian law, The Chemist Act 1975 (Act 158), all chemical analyses must be done by a certified Chemist recognized by IKM.

At Its Specifications are issued and crosschecked by IKM Certified Chemist (IKM: M/6082/9735/22).

Any person who contravenes subsection (1) or (2) commits an offence and shall, on conviction, be liable to a fine not exceeding ten thousand ringgit or to imprisonment for a term not exceeding one year or to both and, for the second and subsequent offence, to a fine not exceeding fifty thousand ringgit or to imprisonment for a term not exceeding two years or two both.


Holding out as registered chemist and restrictions pertaining to chemical analysis

    1. No person who is not registered under this Act shall—
      1. practise or hold himself out as a registered chemist or as a person of any other like description;
      2. advertise by any means or in any manner as being engaged in practice as a registered chemist; or
      3. adopt, use or exhibit the term “registered chemist” or its equivalent in any other language or any other term of like description in such circumstances as to indicate or to be likely to lead persons to infer that he is a registered chemist.
    2. No person shall give or provide in a determinative capacity, or certify or declare in writing the result of, any chemical analysis for the purpose of determining the composition or specifications of any substance or product consumed or used by, or intended for the consumption or use of, the public or any section thereof, unless—

Unless otherwise specified, all product will include a basic specification sheet.

Requirements for supporting documents such as Halal and NPRA, MAL (Supplement), OTC registration will be handled on a case-by-case basis.

How to Get Specifications?

Upon successful payment of the product, you can access the specifications in the download area when you click your profile or on every product page.

Additional information

Pack Size

1kg, 20kg