N-Acetyl Cysteine (NAC)

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What is N-Acetyl Cysteine (NAC)?

N-Acetyl Cysteine (NAC) is a stable, bioavailable form of the amino acid cysteine. It plays a crucial role in replenishing intracellular levels of glutathione, one of the body’s most powerful antioxidants and supports the body’s natural detoxification processes.

Clinically studied and used in functional medicine, NAC is renowned for its ability to protect against oxidative stress, promote liver health, support lung function, and boost immune defense. Additionally, it’s known to assist in reducing inflammation, supporting cognitive health, and aiding metabolic processes.

Whether it’s detoxification, respiratory wellness, or cellular repair, NAC is a foundational nutrient that addresses multiple areas of wellbeing.

Top features & benefits

Boosts glutathione production Supports liver detoxification Improves lung & respiratory function
Supports immune system function Reduces oxidative stress Supports recovery

How Does NAC Work?

  • NAC primarily works by helping the body produce glutathione, a master antioxidant that protects cells from damage caused by free radicals and toxins.
  • By elevating glutathione levels, NAC helps neutralize oxidative stress, reduce cellular inflammation, and support healthy immune responses.
  • It also acts directly in the respiratory system by thinning mucus, which makes it easier to clear from the lungs, offering relief for people with chronic bronchitis, asthma, and other respiratory conditions.
  • On a deeper level, NAC supports liver detox pathways, assists in regulating dopamine and glutamate in the brain (supporting mood and cognitive clarity), and helps protect mitochondria, the energy powerhouses of the body.

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FAQs

NAC is used to boost glutathione levels, support detoxification, enhance lung function, and improve immune health.
Yes, NAC supports liver detox by promoting glutathione production, helping eliminate toxins and heavy metals.
Absolutely. NAC helps break down thick mucus in the lungs, easing symptoms of bronchitis, COPD, and asthma.
Yes, by reducing oxidative stress and supporting detox, NAC helps the immune system function more efficiently.
Yes, it helps produce glutathione, the body’s most powerful antioxidant.
Yes, it neutralizes free radicals and supports cellular repair and regeneration.
Yes, when used in the right dosage, NAC is considered safe and well-tolerated over long periods.
Yes, by reducing oxidative damage and inflammation, NAC supports healthy skin and anti-aging.
Yes, it may help reduce inflammation and histamine response in allergy-prone individuals.
By supporting mitochondrial function and detoxification, NAC can help improve energy levels over time.
Yes, combining NAC with glycine enhances glutathione synthesis and supports overall metabolic balance.
Yes, NAC helps neutralize environmental toxins and supports lung health under pollution stress.
While NAC is safe, pregnant or breastfeeding women should consult their healthcare provider before adding it to their routine.
Yes, NAC works well alongside antioxidants and immune-supportive nutrients.
Yes, NAC helps reduce lung inflammation and mucus buildup, improving breathing capacity.
Dosages typically range from 600 mg to 1200 mg per day, but always follow your healthcare provider’s advice.
NAC is generally well-tolerated. Mild side effects may include nausea or gastrointestinal discomfort in some individuals.