Glutathione vs NAD+
Extensively Studied vs Extensively Studied
synergistic Both support cellular energy and antioxidant systems; commonly combined in longevity protocols.
Molecular Data
Glutathione NAD+
Weight 307.32 Da 663.43 Da
Half-life ~10-14 minutes (IV) 1-4 hours (intracellular)
Chain 3 amino acids —
Type Tripeptide Coenzyme
Key Benefits
Glutathione
01 Master antioxidant - protects against oxidative stress
02 Detoxification of heavy metals and toxins
03 Immune system support and T-cell function
04 Neuroprotective effects
05 Skin health and potential brightening effects
06 Liver protection and function
07 Mitochondrial support
08 Anti-aging properties
NAD+
01 Restores mitochondrial function and ATP synthesis
02 Enhances glucose and fat metabolism
03 Improves oxygen utilization and endurance
04 Activates DNA repair mechanisms
05 Supports longevity pathways via sirtuins
06 Improves mental clarity and focus
Dosing Protocols
Glutathione
100-600 mg injectable (100-200mg wellness, 200-600mg intensive); IV dosing higher (600-1400mg clinical) / 2-3 times weekly for subcutaneous; weekly for IV infusions
General wellness 100-200 mg 2-3x weekly
Intensive therapy 200-600 mg 2-3x weekly
Detoxification 600-1000 mg Weekly IV
Parkinson's support 1400 mg 2-3x weekly
NAD+
IV: 250-1000mg; IM/SubQ: 100-500mg; Intranasal: 25-50mg; Oral precursors: 100-500mg NMN/NR / IV: 1-2x weekly; IM/SubQ: 2-3x weekly; Intranasal: 1-2x daily; Oral: daily
IV Infusion 250-1000mg 1-2x weekly
IM/SubQ 100-500mg 2-3x weekly
Side Effects
Glutathione
Injection site reactions
Mild nausea (usually with higher doses)
Abdominal cramping
NAD+
Mild flushing during IV infusion
Temporary nausea
Contraindications
Known allergy to glutathione
Pregnancy or breastfeeding (insufficient safety data)
Asthma (may trigger bronchospasm in some)
IV administration requires medical supervision
Avoid alcohol during treatment
Maintain consistent dosing schedule
Research Evidence
Glutathione NAD+
Status Extensively Studied Extensively Studied
References 4 studies 4 studies
FDA Approved No No
This comparison is for educational and research purposes only. Consult a healthcare professional before use.