NOW Foods
NAC 1,000 mg
92/100
SUPPIE SCORE
82/100
EFFICACY
High
SAFETY
100/100
CLEANLINESS
What Does NAC 1,000 mg Do?
Solid NAC dose with strong evidence for respiratory and antioxidant support; excellent value but monitor for GI upset and key drug interactions like nitroglycerin.
Is 1000mg NAC daily safe for long-term use?
Can NAC help with my mucus buildup during colds?
Does NAC interact with my blood pressure medication?
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What Are the Benefits of NAC 1,000 mg?
Based on proven scientific research
Antioxidant SupportStrong
Respiratory HealthStrong
DetoxificationModerate
Mental HealthMild
Good For:
What Are the Side Effects of NOW Foods NAC 1,000 mg?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Generally safe at 1000mg; nausea or diarrhea possible at higher doses.
•Avoid with nitroglycerin due to severe hypotension risk.
•Not recommended during pregnancy without medical advice.
•No major allergens; vegan tablets.
•May thin mucus - caution in active peptic ulcers.
•Consult doctor if asthmatic or on blood thinners.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Safe Formulation!
Great news, this product doesn't contain harmful ingredients!
What Are the Ingredients in NOW Foods NAC 1,000 mg?
N-Acetyl Cysteine (NAC)
1,000 mg
Dosage & Bioavailability
How the active doses and forms in NAC 1,000 mg compare to the research.
•N-Acetyl Cysteine (NAC) — 1,000 mg per serving; within the 900-1,800 mg/day used in studies.
Sources & References
Frequently Asked Questions
Common questions about NOW Foods NAC 1,000 mg