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Longevity

Glutathione 101: Your Body's Master Antioxidant

It's called the body's "master antioxidant" for a reason. Here's what glutathione actually does and why it's usually given by IV.

Medically reviewed by the IVs For Me Clinical Team 5 min read Updated January 2026
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Key takeaways

What glutathione does in the body

Glutathione is produced naturally in the liver and is involved in neutralizing free radicals, supporting the liver's detoxification pathways, and helping regenerate other antioxidants like vitamins C and E. It's called the "master antioxidant" because so many other antioxidant processes depend on it functioning properly.

Why levels can become depleted

Glutathione levels can be affected by aging, chronic stress, poor diet, alcohol use, and exposure to environmental toxins. When demand for detoxification and antioxidant activity outpaces the body's ability to produce glutathione, levels can drop.

Why IV delivery is preferred

Like NAD+, glutathione is broken down significantly by digestive enzymes when taken orally, which limits how much actually reaches your bloodstream intact. IV or intramuscular delivery bypasses this issue, delivering the antioxidant directly.

NoteMany people receive glutathione as a quick "push" at the end of an IV drip rather than as a standalone infusion β€” this is a fast way to add it to an existing session.

What people use it for

Common goals include supporting skin clarity and tone, general antioxidant support, and as a complement to detox-focused wellness routines. As with most IV wellness treatments, evidence is strongest for its biological role as an antioxidant β€” cosmetic effects like skin brightening are widely reported anecdotally but vary by individual.

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Frequently asked questions

Most commonly as a quick IV push, often added to the end of another IV drip, though standalone infusions are also available.
Glutathione is generally well tolerated. Some people report a brief metallic taste during administration, which passes quickly.
This depends on your goals β€” some people add it to every IV visit, while others use it periodically. Your provider can help you decide.
Some people report skin brightening effects with regular use, though individual results vary and this isn't a guaranteed or clinically established cosmetic outcome.
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Medically reviewed by the IVs For Me Clinical Team

Our content is reviewed by licensed MDs, PAs, and NPs on staff. This article is for educational purposes and is not a substitute for individualized medical advice β€” talk to your provider about what's right for you.

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