Glutathione
Quick facts
- Researched for
- Antioxidant support, brighter or more even-looking skin, recovery, immune support and oxidative stress
- Route or form
- Injection
- Evidence so far
- One trial in people taking it by mouth, plus people's reports on skin and illness.
- Not established
- Studies don't back every claim about skin, wellness or injected glutathione.
- Commonly researched
- 1,400 mg, three times weekly (Monday, Wednesday, Friday)StudySee every range
- Where to get it
- At our partner, US Precision Peptides.Go to Next step
By the Learn Peptides editorial team · Updated · How We Research
What people are researching it for
People are researching glutathione for antioxidant support, brighter or more even-looking skin, recovery, immune support, and oxidative stress.
Antioxidant. Detox. Rejuvenate.
- What is Glutathione?
- a tripeptide composed of three amino acids: glutamate, cysteine, and glycine
- Checklist: 3 amino acids (glutamate, cysteine, glycine)
- How does it work?
- Not written out in this text version.
- Common research use cases
- Not written out in this text version.
- How it's used in research
- Route: Subcutaneous (most common)
- Route: Intramuscular
- Route: Intravenous (clinical settings)
- Route: Oral (supplements)
- Common dosing: 100 to 300 mg per dose (in research settings)
- Common dosing: 2 to 3 times per week
- Common dosing: Higher doses in clinical studies
- Common dosing: Oral doses vary by formulation
- Often combined with: NAC (supports natural GSH production)
- Often combined with: NAD+ (cellular energy)
- Often combined with: Vitamin C (recycles GSH)
- Often combined with: Other peptides (e.g., GHK-Cu, KPV)
- There is no standardized dose or protocol. Research use should be thoughtful, tracked, and adjusted based on individual response.
- What users report
- Keep in mind: Results vary widely
- Keep in mind: Not everyone experiences the same benefits
- Keep in mind: More research is needed on long-term effects in healthy individuals
- Key takeaway
- It's not a magic solution, but it's one of the most researched and widely used compounds in the peptide and wellness community for a reason.
- The bottom line
- Glutathione shows strong potential for antioxidant support, skin health, liver function, and overall wellness, but more high-quality human studies are needed. Use only high-purity products, follow a research-focused approach, and set realistic expectations.
Reasons people look into Glutathione. An interest is not a promise that it works.
- Longevity & energy
- Immune support
- Skin, hair & tanning
People report brighter skin and bouncing back when run down; injections often sting.
Community reports
People often report brighter or more even-looking skin, better recovery, or feeling better during periods of stress or illness. Results vary by route and person.
Community reports
Injectable glutathione shows up constantly on r/Peptides, mostly for skin tone and as a general 'take it when you're run down' immune helper. The most consistent complaint by far is how much the injection itself stings.
Human studies show some forms raise glutathione levels; fewer studies look at skin tone.
Human studies show that some forms of glutathione can raise the body’s glutathione levels. A smaller set of studies has looked at skin pigmentation.
The body's main built-in antioxidant, discussed for skin tone and as a general immune helper when taken by injection.
What this is based on
- Human researchStudied in people for this or a related question.
- Community reportsWhat people describe noticing. Not proof of cause.
- Learn Peptides explanationOur own plain-English summary of the sources. It is not a source itself.
Studies don't back every claim about skin, wellness or injected glutathione.
Those studies do not establish every claim about skin texture, general wellness, or injected glutathione.
Safety notes
Tested in people. How many took part, for how long, and who they were still matter.
- You have trouble breathing or wheezing, or your face, lips, tongue or throat swell.
- You get hives away from the injection site, or feel severely dizzy or faint.
For these signs, call 911 or your local emergency number.
- Redness spreads, or heat, swelling or pain keeps growing where you injected.
- A lump keeps growing or does not go away, or you see pus or red streaks.
- You have a fever or chills, or feel sick all over.
The biggest reported issue with injectable glutathione isn't a safety concern so much as discomfort, a stinging or burning injection that some trace to quality. A smaller, genuinely unexplained pattern is worth flagging: a handful of people report their skin getting darker with sun exposure instead of lighter, the opposite of what they expected, with no clear explanation in what's been reported.
People suspect inconsistent reports trace back to inconsistent product quality across vendors rather than the compound itself, since problems (crystallizing, not fully dissolving) come up in nearly every discussion thread.
Source: r/Peptides user reports
Shows the IV dose one study used and figures people report, each labeled.
Commonly researched ranges, and how they were measured.
Commonly researched range for Glutathione
1,400 mg
three times weekly (Monday, Wednesday, Friday) · IV infusion (into a vein)
Study
This is the amount a study used. It is not a dosing instruction for other products.
The range in our record
Each one is labeled with where it comes from. They are different ways of using Glutathione, not steps to follow in order.
IV dose (Parkinson's pilot trial)
StudyResearch trial- Amount per dose
- 1,400 mg
- How often
- Three times weekly (Monday, Wednesday, Friday)
- Typical schedule
- 4 weeks
- Route
- IV infusion (into a vein)
This is the amount a study used. It is not a dosing instruction for other products.
From our visual summary
Community reports
Community reports, from the Learn Peptides visual summary. These lines sit beside the ranges above and are not merged with them.
- Common dosing
- 100 to 300 mg per dose (in research settings)
- 2 to 3 times per week
- Higher doses in clinical studies
- Oral doses vary by formulation
There is no standard dose. Track how you respond, and change one thing at a time.
These ranges were last reviewed Sep 2026.
Every cell makes this antioxidant; this page covers the form people inject.
Glutathione is an antioxidant every cell already makes and uses to protect itself from damage. It's widely available as an oral supplement, an IV drip at wellness clinics, and as a self-injected shot in peptide communities. This entry covers the injectable form people discuss most in those communities.
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