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Unveiling the Benefits of N-Acetyl Cysteine for Smokers

Published : Nov 03, 2020 4 mins read Updated On : Feb 23, 2024

Cigarette smoking is a new trend not only in India but also in the world. Did you know India is home to almost 12% of the world’s smokers as per the World Health Organization (WHO)? There are approximately 120 million smokers in India.

But with more awareness and changing lifestyles, people want to quit cigarettes and start healthy living. If you ask anyone which habit, they would love to quit, it would be to stop smoking. It's quite difficult but can be achieved by sheer willpower and the right nutrition intake. The initial craving is woeful, and the damage caused by smoking to the respiratory organ takes the right amount of control and nutrients to be healthy.

Health Benefits of Quitting Smoking

• Blood pressure, heart rate, and temperature drop back to normal levels once the nicotine levels in the body decrease.

• The blood flow in the body improves as nicotine hinders the proper blood flow. The blood in peripheral arteries and veins. improves, as your body gets rid of the chemicals and you start to feel warm.

• Our immune system gets better and the ability to fight off the common cold and flu shows significantly positive effects.

• Sense of taste and smell considerably improves when one gets rid of regular intake of toxins in the form of cigarette smoking.

• The deterioration in the lungs, shortness of breath, coughing, and even the small damage start repairing certainly.

• The risk of heart-related issues is reduced along with other debilitating diseases as well.

• Last but not least, along with many other health benefits you will have saved more money as well!!!

What is N-acetylcysteine?

N-acetylcysteine is an amino acid and acts as a precursor to Glutathione. Glutathione is considered a master antioxidant in the body and is very important for reducing oxidative stress and encouraging detoxification. NAC helps to promote Glutathione production in the body. NAC also has a role in limiting the cravings of cigarette smokers. NAC also helps in the breakdown of mucus accumulated which further facilitates airway passage clearance and ease of breathing. (1)

How N-Acetylcystine Help Smokers?

Reduced cravings: NAC can help limit cravings in cigarette smokers. (2)

Improved cognition: NAC may improve cognition and impulsivity, which may help improve control in behavior.

Reduced number of cigarettes smoked: Studies have found that taking 3 grams of NAC daily can reduce the number of cigarettes smoked by current smokers. NAC treatment can also significantly reduce the number of cigarettes smoked daily.

Improved depression scores: NAC treatment can significantly improve depression scores.

Relieved respiratory symptoms: NAC can relieve symptoms of respiratory conditions by acting as an antioxidant and expectorant, loosening mucus in your air passageways. (3)

Increased glutathione production: NAC helps to promote glutathione production in the body.

Factors Affecting N-Acetylcysteine

• Dosage: The appropriate dosage depends on the condition being treated and individual factors such as age, weight, and overall health.

Timing of Administration: Taking NAC at the recommended times can optimize its effects. For example, it may be beneficial to take it with meals to reduce gastrointestinal side effects.

• Interaction with Other Medications: NAC may interact with certain drugs, including nitroglycerin, which is used to treat heart conditions. Consultation with a healthcare professional is crucial to avoid potential interactions.

• Health Conditions: Individuals with certain health conditions, such as asthma or kidney problems, may need to be cautious when using NAC or require adjusted dosages under medical supervision.

• Allergies: Some individuals may be allergic to NAC or have sensitivities to its components, leading to adverse reactions.

• Quality of Product: Ensuring the use of high-quality NAC supplements from reputable manufacturers can minimize the risk of impurities or contaminants.

• Adherence to Recommended Guidelines: Following recommended guidelines for NAC supplementation, including dosage and frequency, is essential for maximizing benefits while minimizing risks.

• Individual Variability: Response to NAC can vary among individuals due to differences in genetics, metabolism, and overall health status. Adjustments may be necessary based on individual responses.


NAC has also been widely used in COPD treatment, helping reduce cough and phlegm. Along with COPD, NAC is also used in the robust treatment of bronchitis as it helps by reducing the thickness of mucus.

Fast&Up N-Acetyl cysteine is well-researched and formulated with clinically proven ingredients like 600mg NAC and 40mg Vitamin C to support healthy lung functions. Dual action formulas of NAC and Vitamin C help to support lung cleansing, improve breathing, and improve respiratory functions. Along with the lungs it also helps to detox and eliminate harmful pathogens and toxins from the lungs and liver.

1. Is NAC good for smokers?

N-acetylcysteine (NAC) has potential benefits for smokers by supporting lung health and reducing oxidative stress.

2. Can NAC reverse lung damage?

While research suggests NAC may help alleviate symptoms and slow lung damage progression in certain conditions like COPD, it's not a guaranteed reversal.

3. What supplement helps to stop smoking?

Supplements such as N-acetylcysteine (NAC), omega-3 fatty acids, and vitamin C may aid in reducing cravings and supporting lung health during smoking cessation efforts.

4. What is the best vitamin for smokers?

Vitamin C is often considered beneficial for smokers due to its antioxidant properties, which can help counteract some of the oxidative stress caused by smoking.

5. What vitamins do smokers lack?

Smokers commonly lack vitamins C and E due to increased oxidative stress. They may also have lower levels of vitamin D, which is crucial for bone health and immune function.

Dr. Rushikesh Trivedi
Dr. Rushikesh Trivedi
Fast&Up Nutrition Consultant

Dr. Rushikesh Trivedi is a renowned practitioner of Nutrigenomics and founder of DNA Diet based in Gujarat. He has over 10 years of experience in medical nutrition which stands highly unique in the... Read More

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