Glutathione injectable vial

Glutathione (Injectable)

Injectable vial (200mg/mL), Nasal spray (60mg/mL), Oral troche (250mg)Not available in all states

Marketing purposes only. Actual medications, if prescribed, are dispensed by a licensed pharmacy.

longevity

Glutathione (Injectable)Glutathione (Injectable)

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

Mechanism of action

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.

The baseline panel.

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 →

Hormone Profile

12 markers

Sex hormones

  • Total TestosteroneLC/MS
  • Free TestosteroneEquilibrium Dialysis
  • Estradiol, Sensitive / UltrasensitiveLC/MS
  • Sex Hormone Binding Globulin (SHBG)
  • ProgesteroneLC/MSFemale panel
  • Prolactin
  • Luteinizing Hormone (LH)
  • Follicle-Stimulating Hormone (FSH)
  • hCG, Total, QuantitativeFemale panel, pre-menopause

Adrenals & neurosteroids

  • Cortisol
  • DHEA-S

Growth hormone / IGF-1

  • Insulin-Like Growth Factor I (IGF-1)

Thyroid Status

3 markers

Thyroid hormones

  • Thyroid Stimulating Hormone (TSH)
  • Free T4
  • Free T3

Heart Health

9 markers

Cardiovascular health

  • Total Cholesterol
  • HDL Cholesterol
  • LDL Cholesterol
  • LDL:HDL Ratio
  • VLDL Cholesterol
  • Triglycerides
  • Apolipoprotein-B (ApoB)
  • C-Reactive Protein, High Sensitivity (hsCRP)
  • Lipoprotein(a) (Lp(a))

Metabolism

3 markers

Insulin sensitivity

  • Blood Glucose
  • Fasting Insulin
  • HbA1c

Organ Function

26 markers

Liver & pancreas

  • AST
  • ALT
  • Bilirubin, Total
  • γ-Glutamyl Transferase (GGT)

Kidney function

  • BUN
  • Creatinine w/ eGFR

Comprehensive Metabolic Panel (CMP)

  • Glucose
  • Blood Urea Nitrogen (BUN)
  • Creatinine
  • eGFR
  • BUN/Creatinine Ratio
  • Sodium
  • Potassium
  • Chloride
  • Carbon Dioxide, Total
  • Calcium
  • Protein, Total
  • Albumin
  • Globulin, Total
  • Albumin/Globulin (A/G) Ratio
  • Alkaline Phosphatase (ALP)
  • AST
  • ALT

Prostate health

  • Prostate-Specific Antigen (PSA)Male panel
  • Free PSAMale panel
  • % Free PSAMale panel

Nutrient Status

31 markers

Vitamins & minerals

  • Vitamin D, 25-OHD (25-Hydroxy)
  • Magnesium, RBC

Iron status

  • Iron
  • Iron Saturation
  • TIBC
  • UIBC
  • Ferritin

Complete Blood Count (CBC)

  • White Blood Count (WBC)
  • Red Blood Count (RBC)
  • Hemoglobin (Hgb)
  • Hematocrit (HCT)
  • MCV
  • MCH
  • MCHC
  • Red Cell Distribution Width (RDW)
  • Platelets
  • Neutrophils
  • Neutrophils (Absolute)
  • Lymphocytes
  • Lymphocytes (Absolute)
  • Neutrophil/Lymphocyte Ratio
  • Monocytes
  • Monocytes (Absolute)
  • Eosinophils
  • Eosinophils (Absolute)
  • Basophils
  • Basophils (Absolute)
  • Immature Cells
  • Immature Granulocytes
  • Immature Granulocytes (Absolute)
  • NRBC, w/ Reflex for Immature Cells

Clinical evidence

The research behind Glutathione (Injectable).

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.

Safety profile

Monitoring & safety information.

Commonly reported side effects

  • Injection site reactions
  • Bloating
  • Mild cramping
  • Sulfurous taste

Less common but serious risks

  • Zinc depletion with chronic high doses
  • Unknown long-term effects of supraphysiologic levels

Generally not appropriate for

  • Known hypersensitivity
  • Active asthma (inhaled route)

Typical monitoring

  • Glutathione levels
  • Zinc levels (chronic use)
  • Oxidative stress markers

FAQ

Quick answers.

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.
Common side effects include: injection site reactions, bloating, mild cramping, sulfurous taste. Most side effects are dose-dependent and may resolve with continued use or dose adjustment.
View all FAQs
See all FAQs

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.