Glutathione
What is Glutathione?
Glutathione is the body’s most powerful endogenous antioxidant, playing a central role in detoxification, immune support, mitochondrial function, and cellular repair. Injectable glutathione bypasses the digestive tract, allowing for superior bioavailability and rapid systemic effects. In the context of longevity and anti-aging medicine, glutathione is used to combat oxidative stress, support liver function, improve skin clarity, and enhance metabolic resilience.
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Frequently asked questions
What is glutathione and why is it important?
Glutathione is a naturally occurring antioxidant produced in every cell of the body, often referred to as the “master antioxidant.” It plays a central role in neutralizing free radicals, supporting the body’s natural detoxification pathways, and maintaining overall cellular health. Adequate glutathione levels are associated with immune function, skin clarity, and healthy aging.
Why choose injectable glutathione over oral supplements?
Oral glutathione supplements have limited bioavailability because the molecule is largely broken down during digestion before it can be absorbed. Injectable glutathione bypasses the digestive tract entirely, allowing for efficient delivery directly into the bloodstream. This makes injections a more reliable option for patients seeking consistent support.
How often are glutathione injections administered?
Injection frequency is determined by your prescribing provider based on your goals and clinical assessment. Most protocols involve one to three injections per week, either as part of an ongoing wellness routine or during periods of higher metabolic demand. Your care team will recommend the schedule that fits your individual needs.
Can glutathione be combined with other protocols?
Yes. Glutathione is often used alongside NAD+ therapy and other cellular support protocols, as they target complementary pathways — NAD+ supports mitochondrial energy and cellular repair, while glutathione supports oxidative balance and the body’s natural detoxification processes. Your provider can help design a combination that aligns with your wellness goals.
What are the side effects and precautions?
Common (usually mild):
- Injection site discomfort
- Headache or lightheadedness
- Temporary sulfur odor on breath or skin (rare)
Less common — monitor if present:
- GI upset (more common with oral forms)
- Allergic reaction (rare)
- Lower zinc levels with long-term high-dose use
Precautions:
- Avoid use in patients with sulfa allergies or those on certain chemotherapy regimens
- May interact with some cancer treatments — consult your oncologist if applicable
- Not recommended during pregnancy or breastfeeding unless medically necessary
- Inform your provider of all current medications and supplements before starting therapy