NAC N-Acetyl L-Cysteine 600 mg with Selenium & Molybdenum : Powerful Antioxidants, Hepatic Detoxification, Immunity and Respiratory Comfort

NAC N-Acetyl L-Cysteine 600 mg, Selenium, Molybdenum, Doctor's Best is a complex supplement formulated to support oxidative balance, hepatic detoxification and daily immunity. Each serving provides N-acetylcysteine (NAC) 600 mg, a direct precursor of glutathione – the body's main endogenous antioxidant – alongside Selenium 50 mcg (from SelenoExcell® yeast) and Molybdenum 50 mcg (glycinate chelate). Selenium contributes to normal functioning of selenoproteins (such as glutathione peroxidases), and molybdenum is an essential cofactor for enzymes involved in metabolizing sulfur compounds and endogenous substances. Together, these ingredients create a synergistic triad that supports cellular protection, respiratory clarity, daily vitality and the body's ability to manage modern stress (pollutants, effort, additive-rich diet).

Detailed Benefits of NAC with Selenium and Molybdenum

• Reactivating the internal antioxidant shield (glutathione)

Glutathione is the "front line" in cellular protection. NAC provides the cysteine needed for glutathione synthesis, favoring rapid restoration of this antioxidant reservoir. Selenium completes the picture through its role in glutathione peroxidase enzymes, which neutralize peroxides and help maintain intact cell membranes. Molybdenum, through its dependent enzymes, supports overall redox balance. The result?

✅ Increased protection against free radicals
✅ Maintaining well-being during periods of oxidative demand
✅ Supporting cellular integrity and body resilience

• Hepatic detoxification and efficient metabolism of sulfur compounds

The liver is the body's processing "center". NAC supports detoxification phases through cysteine supply for glutathione conjugation, facilitating neutralization and elimination of unwanted substances. Molybdenum acts as Moco (molybdenum cofactor) for enzymes that transform sulfites into sulfates, contributing to easier metabolism of compounds from diet or urban environment. Selenium completes this mechanism through enzymatic antioxidant defense.

✅ Support for liver function and metabolic clarity
✅ Efficient management of exogenous substances
✅ Contribution to overall state of vitality

• Respiratory comfort and secretion fluidity

N-acetylcysteine is recognized for its mucolytic properties, which support secretion fluidity and improve respiratory comfort. By reducing disulfide bridges in mucus, NAC favors an easier-to-mobilize texture, which can support the sensation of freer breathing, especially in cold season or periods with dry/polluted air.

✅ Supporting respiratory tract hygiene
✅ Feeling of easier breathing in daily routine
✅ Suitable for people exposed to environmental irritants

• Balanced immunity and adaptive response

An efficient immune system needs redox balance. NAC, as a glutathione precursor, helps immune cells function at optimal parameters, while selenium (SelenoExcell®) participates in selenoprotein synthesis involved in defense. Together, they support an adequate body response, without excess, to seasonal challenges.

✅ Supporting the body's defense barriers
✅ Contribution to maintaining well-being in cold season
✅ Support for redox recovery after effort or stress

• Cellular energy and mitochondrial protection

Daily energy quality depends on mitochondria, and the oxidative environment directly influences their efficiency. By supporting glutathione, NAC contributes to protecting mitochondria from oxidative stress, while selenium helps antioxidant enzymes maintain membrane lipid integrity. A balanced redox status means:

✅ More coherent energy production at cellular level
✅ Better resilience to daily stress
✅ Support for daily performance, physical and mental

• Metabolic balance and daily clarity

Chronic oxidative stress can affect numerous metabolic pathways. NAC, selenium and molybdenum act complementarily to support biochemical processes that maintain the body's optimal "rhythm": from sulfur amino acid recycling to fine enzymatic transformations.

✅ Supporting efficient nutrient metabolism
✅ Contribution to internal homeostasis
✅ Maintaining long-term well-being

• Mental clarity and neuronal protection

Glutathione is also important at the nervous system level. By restoring the antioxidant reserve, NAC supports neuronal protection and daily mental comfort. Maintaining redox balance supports healthy cellular communication, while selenium contributes to membrane structure defense.

✅ Support for concentration and focus
✅ Balance during busy or demanding periods
✅ Maintaining long-term cognitive functions

• Intelligent synergy: NAC 600 mg + Selenium 50 mcg + Molybdenum 50 mcg

Doctor's Best formulation brings together three key elements for a complete antioxidant network. NAC brings the raw material for glutathione, selenium supports antioxidant enzymes, and molybdenum facilitates essential metabolic transformations for digestive and systemic comfort. This synergy:

✅ Optimizes cysteine utilization in glutathione synthesis
✅ Supports detoxification-antioxidant enzymes, in a coordinated manner
✅ Offers a holistic approach to cellular protection

• Quality, traceability and responsible formulation

Doctor's Best is recognized for high standards and strict raw material selection criteria. SelenoExcell® is a standardized form, widely used for its consistency, and molybdenum glycinate chelate is appreciated for bioavailability and tolerance. The formula is designed to offer real efficiency in supporting glutathione and selenium/molybdenum-dependent enzymes.

✅ Carefully selected raw materials
✅ Production in facilities with good manufacturing practices
✅ Clear label and precise dosage per serving

• Suitable for modern lifestyles

Pollutants, extended schedule, training or periods of intense concentration increase the need for antioxidant support and detoxification. NAC with selenium and molybdenum responds to these challenges through a complete nutritional architecture, easy to integrate into daily wellness routine.

✅ Support for active people, professionals and students
✅ Complement for regimens focused on oxidative balance
✅ A practical choice for respiratory comfort and vitality

By consolidating glutathione, strengthening selenium-dependent antioxidant enzymes and optimizing metabolic pathways assisted by molybdenum, NAC N-Acetyl L-Cysteine 600 mg, Selenium, Molybdenum, Doctor's Best offers a modern and coherent approach to cellular protection, hepatic detoxification and respiratory comfort. It is the intelligent solution for those seeking powerful antioxidants, balanced immunity and metabolic resilience in a single formula, supporting long-term well-being and an active life, at your own pace.




 

Directions for Use

Adult use: Take 1 capsule twice daily with food or as recommended by a nutritionally informed physician.




 

Other Ingredients

Hypromellose (vegetarian capsule), citric acid, natural vanilla flavor. 

Warnings

Consult your physician before using NAC if you are pregnant, nursing, have a history of gastric ulcers, heart or kidney problems.
Store in a cool, dry place.