Life Extension
Glutathione, Cysteine & C
84/100
SUPPIE SCORE
82/100
EFFICACY
Low
SAFETY
82/100
CLEANLINESS
What Does Glutathione, Cysteine & C Do?
This well-formulated supplement provides synergistic antioxidants at effective doses for liver and cellular protection, backed by strong evidence for glutathione recycling. Dosages are optimal and safe for most adults, with minimal side effect risks.
How does glutathione support liver detoxification?
What role does vitamin C play in antioxidant synergy with glutathione?
Is this supplement suitable for daily antioxidant support?
Chat with Suppie
What Are the Benefits of Glutathione, Cysteine & C?
Based on proven scientific research
Antioxidant protectionVery strong
Liver supportStrong
Immune functionStrong
Detoxification aidModerate
Good For:
What Are the Side Effects of Life Extension Glutathione, Cysteine & C?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•All ingredients are GRAS and dosages are well below UL limits, safe for healthy adults at 500 mg vitamin C, 200 mg L-cysteine, and 50 mg glutathione per serving.
•Potential mild GI upset from high vitamin C in sensitive individuals; L-cysteine may cause nausea if taken on empty stomach.
•No major drug interactions, but vitamin C may enhance iron absorption; consult doctor if on chemotherapy or blood thinners.
•Suitable for pregnancy at recommended doses but consult healthcare provider; not for children under 18 without supervision.
•Vegetarian capsules free of common allergens; low risk of sensitivities except possible sulfur sensitivity from cysteine.
•Long-term use supports antioxidant status without known risks at these doses, per NIH and Examine.com data.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Low Risk
Low Risk
Low Risk
Low Risk
What Are the Ingredients in Life Extension Glutathione, Cysteine & C?
L-Glutathione reduced
50 mg
L-Cysteine HCl
200 mg
Vitamin C (as ascorbic acid)
500 mg
Vegetable cellulose (capsule)
Stearic acid
Microcrystalline cellulose
Silica
Sources & References
Frequently Asked Questions
Common questions about Life Extension Glutathione, Cysteine & C