Important safety information

Glutathione

Common Side Effects

  • Mild redness, soreness, or swelling at the injection site
  • Headache
  • Temporary fatigue or dizziness
  • Flushing or warmth
  • Nausea or stomach discomfort (rare)

These symptoms are typically mild and short-lived, especially when injections are administered slowly. Rotating injection sites can help minimize local irritation.

More Serious Side Effects (less common)

  • Allergic reaction (e.g., rash, itching, swelling, difficulty breathing)
  • Chest tightness or shortness of breath
  • Joint pain or muscle cramps
  • Unusual weakness or tingling

If any of these occur, discontinue use and contact your healthcare provider immediately.

Warnings (serious risks)

  • Rare cases of allergic or anaphylactic reactions have been reported with IV or intramuscular glutathione. Patients with known sensitivities should use caution.
  • Use cautiously in individuals with asthma or a history of sulfur allergies.
  • Glutathione may alter levels of other antioxidants or medications metabolized through glutathione-dependent pathways.

Contraindications (not recommended for)

  • Known hypersensitivity to glutathione or any injection components
  • Current or recent diagnosis of cancer unless specifically approved by an oncologist
  • Pregnancy or breastfeeding (due to limited safety data)

Drug Interactions

  • No major interactions are well-established, but caution is advised in patients taking:
    • Chemotherapy agents
    • Medications affecting liver metabolism
    • High-dose antioxidant supplements
  • Always disclose all current medications and supplements during your provider consultation.

Pregnancy & Breastfeeding

Glutathione injections are not recommended during pregnancy or while breastfeeding due to a lack of controlled safety data. Speak with your provider if you are pregnant, nursing, or planning to conceive.

Storage

  • Store in the refrigerator at 2–8°C (36–46°F)
  • Do not freeze
  • Keep the vial sealed and protected from direct light
  • Use within the prescribed time frame and follow proper injection technique guidelines

Keep out of reach of children. Do not use expired product.

Have Questions?

Patients should consult their healthcare provider if they have questions about side effects, injection technique, or whether glutathione is appropriate for their health goals.

Disclaimer: Oat Meds helps connect patients with telehealth providers; medication is dispensed by licensed pharmacies. Glutathione injections available through the Oat Meds program are compounded and may be prescribed off-label by licensed healthcare providers. Compounded formulations are not FDA-approved. Statements above have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.