Glutathione Supplementation and Immune Function in Aging
European Journal of Nutrition (2015)
Liposomal glutathione supplementation increased NK cell cytotoxicity by 2-fold and lymphocyte proliferation in healthy subjects.

Glutathione (Injectable)
Injectable vial (200mg/mL), Nasal spray (60mg/mL), Oral troche (250mg)Not available in all statesMarketing purposes only. Actual medications, if prescribed, are dispensed by a licensed pharmacy.
longevity
The body's most abundant endogenous antioxidant, declining significantly with age. Injectable/nasal routes bypass poor oral bioavailability. Used for antioxidant support, detoxification, and immune function.
Direct glutathione replenishment
Injectable bypasses GI degradation
Potent antioxidant and detoxification support
Immune system support
No commitment · HSA/FSA eligibleNo commitment · HSA/FSA eligible
How it works
Glutathione (GSH) serves as the primary intracellular antioxidant and detoxification substrate. Neutralizes reactive oxygen species via glutathione peroxidase, conjugates toxins via glutathione S-transferase, and maintains cysteine pools for protein synthesis.
Every Marek client receives this baseline panel before a provider review. Your provider may add additional biomarkers based on your health history, symptoms, and goals, pulling from 1,000+ available markers. See more biomarkers →
Sex hormones
Adrenals & neurosteroids
Growth hormone / IGF-1
Thyroid hormones
Cardiovascular health
Insulin sensitivity
Liver & pancreas
Kidney function
Comprehensive Metabolic Panel (CMP)
Prostate health
Vitamins & minerals
Iron status
Complete Blood Count (CBC)
Clinical evidence
European Journal of Nutrition (2015)
Liposomal glutathione supplementation increased NK cell cytotoxicity by 2-fold and lymphocyte proliferation in healthy subjects.
Safety profile
FAQ
The body's most abundant endogenous antioxidant, declining significantly with age. Injectable/nasal routes bypass poor oral bioavailability. Used for antioxidant support, detoxification, and immune function.
Treatments are dependent on licensed clinical prescription. Client costs vary based on individual labs and panel in treatments and services.