Life Extension
Glutathione, Cysteine & C
83/100
SUPPIE SCORE
65/100
EFFICACY
High
SAFETY
92/100
CLEANLINESS
What Does Glutathione, Cysteine & C Do?
This Life Extension formula supplies vitamin C, reduced glutathione, and L-cysteine hydrochloride to support the body’s antioxidant systems and natural liver detoxification pathways.
How does this glutathione formula compare to NAC-only supplements for liver support?
What is the best way to take this product for daily antioxidant benefits?
Are there any specific diet or lifestyle changes that enhance its effects?
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What Are the Benefits of Glutathione, Cysteine & C?
Based on proven scientific research
Liver FunctionModerate
Antioxidant DefenseStrong
Detoxification SupportModerate
Oxidative Stress ReductionModerate
Good For:
What Are the Side Effects of Life Extension Glutathione, Cysteine & C?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Setria reduced glutathione at 50 mg and L-cysteine HCl at 200 mg per capsule are within typical supplemental ranges studied in liver-health trials, with low risk of adverse effects at this intake.
•Vitamin C at 500 mg per serving is well below the 2000 mg upper limit and poses minimal risk for most adults.
•L-cysteine may cause mild gastrointestinal upset in sensitive individuals at higher doses, though the 200 mg level is generally well tolerated.
•No major drug interactions are documented for this exact combination, but high-dose antioxidants could theoretically interact with chemotherapy agents.
•Suitable for most adults but pregnant or lactating individuals should consult a physician before use per label instructions.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Vegetable cellulose (capsule)
Low RiskMicrocrystalline cellulose
Low RiskStearic acid
Low RiskVegetable stearate
Low RiskSilica
Low RiskWhat Are the Ingredients in Life Extension Glutathione, Cysteine & C?
Vitamin C (as ascorbic acid)
500 mg
Setria L-Glutathione (reduced)
50 mg
L-Cysteine Hydrochloride
200 mg
vegetable cellulose (capsule)
microcrystalline cellulose
stearic acid
vegetable stearate
silica
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Dosage & Bioavailability
How the active doses and forms in Glutathione, Cysteine & C compare to the research.
•Setria L-Glutathione (reduced) — 50 mg per serving; lower end of oral glutathione doses examined in fatty-liver research (typically 300 mg).
•Vitamin C (as ascorbic acid) — 500 mg per serving; standard ascorbic acid form with high bioavailability.
Frequently Asked Questions
Common questions about Life Extension Glutathione, Cysteine & C