OEM N-Acetyl-Cysteine (NAC) capsules Vegan L-Cysteine supplement for liver cellular antioxidant nac
OEM N-Acetyl-Cysteine (NAC) capsules Vegan L-Cysteine supplement for liver cellular antioxidant nac

acetylcysteine powder(NAC) is the synthetic form of the amino acid cysteine. Cysteine is considered a semi-essential amino acid. You get cysteine in your diet from the foods you eat. Your body can also produce cysteine from other amino acids.
N-Acetylcysteine powder is the supplement form of Cysteine, an amino acid. Amino acids form the building blocks of proteins in the body. Cysteine is also important for the production of glutathione (the body's most powerful antioxidant).

Xi'an sheerherb biological technology Co., Ltd | |
Name | acetylcysteine powder NAC |
CAS Number | 616-91-1 |
Molecular Formula | C5H9NO3S |
Molecular Weight | 163.195 |
Assay | 99% |
Country of Origin | Xi'an,China |
Shelf Life | 2 Years |
Specification | Acetylcysteine 99% |
OEM N-Acetyl-Cysteine (NAC) capsules Vegan L-Cysteine supplement for liver cellular antioxidant nac
Aking NAC powder can protect against certain health concerns, like:
- acetylcysteine NAC powder Respiratory diseases
- acetylcysteine NAC powder Psychiatric disorders
- acetylcysteine NAC powder Heart disease
- acetylcysteine NAC powder Polycystic ovary syndrome (PCOS)
- acetylcysteine NAC powder Alcohol and substance use disorder


Product Name | L-cysteine NAC N-acetyl Supplements Cysteine capsules for hair L-cysteine | |
Item of Test | Limits of Test | Results of Test |
Appearance | White crystalline or crystalline powder | White crystalline or crystalline powder |
Assay(HPLC) | >99% | 99.66% |
Sieve analysis | 100% pass 80 mesh | Conforms |
Specific optical rotation | +5.6 °- +8.9 ° | +5.5 °- +7.0 ° |
State of solution (Transmittance) | --- | >= 98.0% clear and colorless |
Chloride (Cl) | --- | 19.89-20.29% |
Ammonium(NH4) | --- | =< 0. 002% |
Heavy Metal | <10ppm | Conforms |
As | <2ppm | Conforms |
Yeast & Mold | <1000cfu/g | 95cfu/g |
E. Coli | <100cfu/g | 33cfu/g |
S. Aureus | Negative | Absent |
Saimonella | Negative | Absent |
Pesticides | Negative | Absent |
Conclusion | Conform with specification | |
Storage | Store in 2-8°C, cool & dry place, Keep away from strong light and heat. |

Application of NAC acetylcysteine powder CAS 616-91-1
In addition to being an antioxidant, acetylcysteine CAS 616-91-1 also plays a part in your body's:
- acetylcysteine NAC powder Boosts Glutathione Production - A Powerful Antioxidant
- acetylcysteine NAC powder May Improve Fertility in Both Men and Women
- acetylcysteine NAC powder Prevents Oxidative Damage and Inflammation
- acetylcysteine NAC powder May Improve Symptoms of PCOS
- acetylcysteine NAC powder May Help to Stabilize Blood Sugar
- acetylcysteine NAC powder Supports a Healthy Microbiome
- acetylcysteine NAC powder Reduces Respiratory Symptoms in Chronic Lung Disease (like COPD)
- acetylcysteine NAC powder May Enhance Immune Function by Increasing Glutathione and Modulating Inflammation
- acetylcysteine NAC powder May Reduce Inflammation and Symptoms Related to Influenza and Viral Illness
- acetylcysteine NAC powder May Help Autoimmunity by Reducing Inflammation
- acetylcysteine NAC powder NAC Supports Detoxification and Protects Your Kidneys and Liver
- acetylcysteine NAC powder May Reduce Psychiatric and Addictive Disorders
- acetylcysteine NAC powder May Improve Brain Health
- acetylcysteine NAC powder NAC May Help Prevent Heart Disease


We have our own R&D center, quality control center, marketing center, international trade center, etc., and realize the integration of the entire industry chain from global raw material selection, digital integration of finished product processing, automatic filling, international standardized quality inspection to pharmaceutical level , Packaging material production base. We have passed HACCP, ISO22000, FDA and other certifications.
Our company participated in the China Import and Export Commodities Fair. Through these exhibitions, we have a more intuitive understanding of the current world market demand, and then continue to improve our formulations, technology, etc. To manufacture high-quality and popular products. In addition, our products have won the attention of customers all over the world with their good taste and quality. Our company has achieved fruitful results in these exhibitions, and conducted in-depth exchanges with buyers from many countries, and reached relevant cooperation intentions.
As one of the world's largest contract manufacturers, Xi'an Sheerherb Biological Technology Co., Ltd sincerely welcomes you to join us to achieve more cooperation in the future.



Q1: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union
or Paypal or Escrow(Alibaba).
Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the
samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q4:What's your MOQ?
A:Our MOQ is 1kg or 10g(Different products have different MOQs). But usually we accept less quantity such as 10g on the condition that sample charge is 100% paid.
Q5: How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6:Is there a discount?
A:Different quantity has different discount.
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q8: How to contact us ?
A:You can chat with us by Trademanager,MSN&Skype Online. You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply. Send Email to us.