NAC (N-Acetyl-L-Cysteine) 500 mg : Antioxidant Protection, Support for Detoxification and Respiratory Health – Advanced Support for Glutathione, Liver and Cellular Vitality

NAC (N-Acetyl-L-Cysteine) 500 mg, Natural Factors is a premium dietary supplement that delivers 500 mg of N-acetyl-L-cysteine, a stable and bioavailable form of the amino acid L-cysteine. NAC is particularly known for its role in supporting the production of glutathione, one of the most important endogenous antioxidants in the body, involved in cellular protection, detoxification and maintaining the health of the liver, lungs and immune system.

Glutathione is considered a key antioxidant for the optimal functioning of cells. It participates in neutralizing free radicals, in protecting cellular structures against oxidative stress and in supporting the natural processes of toxin elimination. Under conditions of stress, pollution, unbalanced diet, intense effort or aging, the body's glutathione reserves may decline, which makes the intake of precursors such as NAC particularly valuable.

In addition to its antioxidant role, NAC is also valued for supporting respiratory tract health, due to its ability to contribute to thinning bronchial secretions and maintaining respiratory comfort. At the same time, through the support it offers to the liver and cellular metabolism, NAC may sustain overall vitality and the body's internal balance.

 

Detailed Benefits of NAC (N-Acetyl-L-Cysteine) 500 mg

 

• Supporting Glutathione Production and Cellular Antioxidant Protection

One of the most important benefits of NAC is its role as a precursor for glutathione. Glutathione is one of the most powerful antioxidants naturally produced by the body and is essential for protecting cells against oxidative stress.

Free radicals form naturally in the body, but may increase significantly in the context of:
• Physical and mental stress
• Pollution and exposure to toxins
• Unbalanced diet
• Intense physical exercise
• The natural aging process

When glutathione levels are reduced, the body may become more vulnerable to cellular damage, and the optimal functioning of tissues may be affected.

By supplying N-acetyl-L-cysteine, the product contributes to:
✅ Supporting the natural synthesis of glutathione
✅ Protecting cells against oxidative stress
✅ Maintaining the integrity of cellular membranes and structures

This effect makes NAC a valuable nutrient for individuals seeking advanced antioxidant protection and support for long-term cellular health.

 

• Supporting Natural Detoxification Processes and Liver Health

The liver is the primary organ responsible for detoxifying the body. It filters and processes compounds resulting from metabolism, dietary toxins, pollutants and other substances that the body must neutralize and eliminate. To perform these functions efficiently, the liver requires adequate antioxidant and metabolic support.

Glutathione is one of the most important molecules involved in hepatic detoxification, and NAC indirectly contributes to maintaining an optimal level of it. By supporting glutathione reserves, NAC sustains the liver's natural capacity to manage metabolic and oxidative stress.

This support may contribute to:
• Supporting normal liver function
• Neutralization of reactive compounds
• Protecting liver cells against oxidative stress
• Maintaining natural toxin elimination processes

✅ Support for the body's natural detoxification
✅ Supporting liver health and function
✅ Protection against hepatic oxidative stress

This benefit is especially important for individuals exposed to a demanding lifestyle, processed food or aggressive environmental factors.

 

• Supporting Respiratory Tract Health and Respiratory Comfort

NAC is also well known for its role in supporting respiratory health. It may contribute to thinning dense secretions in the respiratory tract, facilitating their elimination and maintaining better respiratory comfort.

The respiratory tract may be affected by:
• Polluted air
• Smoke and external irritants
• Seasonality and temperature changes
• Accumulation of bronchial secretions

Through its chemical structure, NAC is valued for its ability to support mucus fluidity and to contribute to the physiological cleansing of the respiratory tract.

This may help with:
✅ Maintaining respiratory comfort
✅ Supporting the thinning of bronchial secretions
✅ Support for respiratory tract health

This benefit makes NAC particularly appreciated by individuals seeking support for lung health and a well-maintained respiratory system.

 

• Supporting the Immune System

The immune system depends on a good balance between cellular defense, antioxidant protection and optimal metabolic function. Glutathione also plays an important role in the activity of immune cells, and NAC, through its contribution to the production of glutathione, may support the body's natural resilience.

A well-supported immune system needs:
• Protection against oxidative stress
• Efficient functioning of defense cells
• Inflammatory and metabolic balance
• Adequate energy and antioxidant resources

By supporting glutathione and cellular health, NAC may contribute to:
✅ Harmonious functioning of the immune system
✅ Maintaining the body's defensive balance
✅ Supporting natural resilience during demanding periods

This role is valuable during periods of stress, fatigue, seasonal changes, or when the body is exposed to more aggressive external factors.

 

• Supporting Cellular Health and Functional Longevity

Chronic oxidative stress can accelerate cellular aging processes and affect the normal function of tissues. By supporting glutathione and providing protection at the cellular level, NAC may play an important role in maintaining the vitality and functionality of the body.

Healthy cells need:
• Consistent antioxidant protection
• Structural integrity
• Capacity for regeneration and adaptation
• Efficient metabolic support

Through these mechanisms, NAC may contribute to:
✅ Maintaining long-term cellular health
✅ Protection against oxidative aggressions
✅ Supporting the body's vitality and balance

This effect makes NAC an important ally for individuals interested in supporting functional longevity and cellular resilience.

 

• Supporting Metabolic Balance and Recovery After Demanding Periods

During periods of intense effort, stress, lack of sleep or increased exposure to toxic factors, the body more rapidly depletes its antioxidant reserves and metabolic resources. NAC may offer support in these situations by aiding glutathione synthesis and maintaining internal balance.

This support may be useful for:
• Recovery after periods of physical and psychological stress
• Maintaining cellular energy
• Protecting tissues against the accumulation of oxidative stress
• Supporting the harmonious functioning of organs involved in detoxification and defense

✅ Supporting the body's recovery and resilience
✅ Maintaining metabolic balance during demanding periods
✅ Support for adaptation to daily stress

 

• Supporting Overall Health and Daily Vitality

Through its complex role in antioxidant protection, detoxification, respiratory health and glutathione support, NAC offers broad support for overall wellbeing. It is a valuable ingredient for those who wish to support their body at a deep level, through fundamental mechanisms of defense and regeneration.

General benefits may include:
✅ Better vitality and increased cellular protection
✅ Support for essential detoxification and defense functions
✅ Support for respiratory, hepatic and metabolic health

Through the intake of NAC 500 mg, Natural Factors offers support for glutathione production, antioxidant protection, natural detoxification, liver and respiratory tract health, contributing to the maintenance of cellular balance, body resilience and daily vitality.

 

Recommended Dose for Adults

Take 1 capsule 2–3 times per day or as directed by a physician.
As an antioxidant (adults):
Take 1 capsule per day or as directed by a physician. Administer with protein-containing meals. Do not use after 24 weeks.





 

Supplement Facts
Serving Size: 1 Capsule
Servings Per Container: 90
	Amount Per Serving	%Daily Value
NAC (N-acetyl-L-cysteine)	500 mg	*
*Daily Value (DV) not established.

 

Other Ingredients:

Vegetarian capsule (carbohydrate gum (cellulose), purified water), rice powder, vegetable grade magnesium stearate (lubricant).


 

Cautions:

Consult a physician before use if you are taking nitroglycerin or antibiotics. Do not use if you are allergic to acetylcysteine, or if you are pregnant or breastfeeding.
Consult a physician if you have cystinuria. Keep out of reach of children.
For freshness, store in a cool, dry place.