
A major cellular antioxidant
Glutathione is a tripeptide your cells use to neutralize reactive oxygen species and in phase II detoxification.









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RxLongevity
Glutathione 200 mg/mL, by prescription.
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Glutathione 200 mg/mL in an injectable formulation. Explore the GSH / GSSG cycle, the difference from precursor supplements and how to read vial information.
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Common questions

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The people pictured are models, not patients.

Glutathione is a tripeptide your cells use to neutralize reactive oxygen species and in phase II detoxification.

Injected into a muscle or under the skin, so it does not depend on absorption from the gut.

Your dose is compounded as a sterile injection by a US-licensed pharmacy and reviewed by a provider before it ships.

High-dose glutathione is used off-label. A US-licensed provider reviews your history and medications, and prices are shown up front.
How we compare
Meet the formula
Glutathione is a tripeptide made from glutamate, cysteine and glycine. Cells use it in antioxidant and redox processes, which gives the ingredient a concrete biological identity. This HealthRX.com listing is an injectable glutathione formulation at 200 mg/mL, with a 2000 mg vial catalog option. Understanding the molecule, the redox cycle and the delivery format makes the product much more informative than an undefined detox label, and clarifies the comparison with oral supplements and precursors.

Glutamate + cysteine + glycine
Reduced glutathione (GSH) and oxidized glutathione (GSSG)
Glutathione 200 mg/mL; injectable formulation
Inside the formula
200 mg/mL
Three amino acids joined together make glutathione a tripeptide. Reduced glutathione is commonly abbreviated GSH; its oxidized form is commonly abbreviated GSSG. Those names describe forms within a cellular redox system. Glutathione also works with enzymes such as glutathione peroxidase, connecting the molecule to defined antioxidant processes rather than one general cleansing effect.
A closer look / 01
Oxidation and reduction involve changes in electron transfer. Antioxidant systems help manage reactive chemical species within biological processes. Glutathione is one component of those systems, working alongside enzymes and other molecules. That chemistry explains the ingredient’s scientific interest while keeping the explanation specific to a pathway.
A pathway description and an everyday outcome remain different questions. A measured glutathione concentration, a redox ratio and how energetic someone feels are separate observations. Naming the measurement gives a study its meaning and prevents an antioxidant ingredient from being treated as a universal description of vitality.
A closer look / 02
A glutathione product supplies the tripeptide itself. N-acetylcysteine, often shortened to NAC, is a different compound related to cysteine availability. Glycine is one of glutathione’s amino-acid building blocks. A precursor strategy and a glutathione formulation therefore have different ingredient identities, even when both are discussed in the context of the body’s glutathione system.
The route adds another distinction. Oral glutathione supplements and injectable glutathione formulations deliver products through different routes. They may share an ingredient name while using separate formulations, quantities and research contexts. Compare the actual compound and delivery format together.
A closer look / 03
The 200 mg/mL concentration identifies the amount of glutathione per milliliter of formulation. The 2000 mg vial listing identifies total glutathione content in the catalog option. Those answer different questions: concentration concerns the solution, while total content concerns the package. Neither is a substitute for the amount described in the product-specific treatment instructions.
This distinction is especially useful when comparing vials with capsules. A capsule listing may show an amount per capsule and a capsule count; a liquid listing shows concentration and package content. Reading the units first makes the product comparison clearer.
A closer look / 04
Human studies of oral glutathione have measured glutathione stores in blood and other sampled cells, as well as markers related to oxidative stress. Different studies have used different formulations and durations. The measurements identify what was tested, while the delivery route identifies the product context. Those oral studies offer insight into the research questions without becoming a trial of this injectable formulation.
For a personal goal, describe the observation you want to follow in its own terms. A laboratory measurement and a subjective experience provide different kinds of information. Keeping them distinct supports a more useful product conversation than one broad detox or glow score.
Make an informed comparison
Compare the molecule supplied and the route used. Glutathione is the tripeptide itself. NAC is a different compound related to a precursor amino acid. An injectable formulation and an oral supplement also differ in format, even when an ingredient name overlaps.
| Option | Ingredient identity | What distinguishes it |
|---|---|---|
| Glutathione Injection | Glutathione 200 mg/mL | Injectable tripeptide formulation |
| Oral glutathione | Glutathione | Oral supplement formulation |
| N-acetylcysteine | NAC | Different compound related to cysteine availability |
| Vitamin B12 Injection | Cyanocobalamin | Vitamin formulation with a different biological role |
The useful details
Antioxidant describes a biological or chemical role. Injection describes a delivery route. They answer different questions about a product. This listing identifies both a particular molecule and an injectable formulation with a listed concentration.
GSH refers to reduced glutathione; GSSG refers to oxidized glutathione. Researchers can measure these forms and their relationship as part of investigating redox biology. Those terms explain the molecular system, rather than naming two unrelated ingredients in this vial.
Explore the ingredient research
See the available product options.
View optionsHealthRX.com verified facts
Glutathione Injection starts at $122 per month on 12-month plan; the lowest checkout charge is $152 (billed monthly). A prescription is never guaranteed. A licensed provider reviews each request before a pharmacy can dispense treatment.
Catalog verified August 26, 2026. Source: HealthRX.com checkout catalog and refund policy. Monthly equivalent divides the discounted plan charge by the number of months; checkout may collect a multi-month total.

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A US-licensed provider reviews your history and medications, then prescribes if it is appropriate.
A US-licensed pharmacy compounds your sterile injection and ships it refrigerated in discreet packaging.
Message your care team with questions, and pause, change, or cancel whenever you need.
Glutathione is a tripeptide made from glutamate, cysteine and glycine, and it is one of the main antioxidants inside your cells. Interest in injected glutathione centers on skin tone and antioxidant support, but the human evidence is limited. This listing is a compounded injection made by a US-licensed pharmacy and prescribed only after a provider reviews your history.
Glutathione is a tripeptide antioxidant that neutralizes reactive oxygen species and supports phase II detoxification. Compounded by a US-licensed pharmacy.
Glutathione
is a tripeptide your cells build from glutamate, cysteine, and glycine.
As an antioxidant
it neutralizes reactive oxygen species and is then regenerated by the enzyme glutathione reductase.
In detoxification
it drives phase II conjugation, helping the liver process certain compounds for clearance.
These are established biochemical roles of glutathione. Injection delivers it directly to your bloodstream, and a US-licensed provider reviews whether it fits you before it ships.
A prescription injection compared with supplement pills
| HealthRX.com glutathione injection | Oral glutathione supplements | |
|---|---|---|
| Sourcing | Compounded as a sterile injection by a US-licensed pharmacy | Sold as a dietary supplement, not reviewed by FDA before sale |
| Delivery | Injected into a muscle or under the skin | Swallowed, so it depends on absorption from the gut |
| Oversight | A US-licensed provider reviews your history first | No prescription or provider review |
| Dose | Provider-set dose from a labeled vial | Set by the product label |
| Handling | Kept refrigerated, with instructions | Usually shelf-stable |
| Pricing | Plan prices shown before checkout | Varies by brand |
Your provider sets the dose and schedule. Studies have not established a dose or a timeline for skin or wellness effects with injected glutathione, so we do not promise either. Keep the vial refrigerated.
Day 1
Begin your schedule after your provider confirms your prescription and shows you the technique.
First weeks
Follow the dose and timing your provider set, and keep your vial refrigerated.
Ongoing
Message your care team with any questions or changes to your health.
Anytime
Pause, change, or cancel your plan whenever you need.
Compounded by a US-licensed pharmacy and not FDA-approved. FDA lists glutathione in Category 1 of the bulk drug substances nominated for 503A compounding, which means it is under evaluation, not approved (FDA list updated May 14, 2026). On August 27, 2026, FDA reported at least 30 patients with adverse events after intravenous glutathione made from dietary-supplement-grade glutathione and told compounders not to use dietary-supplement-grade ingredients for injectable drugs. Tell your provider about asthma, sulfite sensitivity, allergies and every medication you take. Keep injectable glutathione refrigerated.
This is not a complete list of side effects. Tell your provider about asthma, allergies, and every medication you take. High-dose glutathione is compounded by a US-licensed pharmacy and used off-label. Keep your medication refrigerated.
No prescription needed. Dietary supplements for the daily habits around your care, sold separately from prescription treatment. Ask your provider before adding one to your routine.
Dietary supplements, not medications. These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

An independent US-licensed clinician reviews every request. If they decide the treatment is not right for you, you get a full refund for the medication.
Prescriptions are filled by a US-licensed pharmacy and shipped free, in discreet packaging, on every plan.
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Compounded medications are prepared by a US-licensed pharmacy and are not reviewed by the FDA for safety or effectiveness. Products are dispensed only after a licensed provider determines they are appropriate. Information here is educational and is not a substitute for medical advice.