GHK-Cu Peptide CreamGHK-Cu Peptide Cream
Supports skin renewal, collagen production, and healthy-looking skin.
From interest to treatment
Complete a short medical intake.
A licensed clinician reviews your history and determines if treatment is appropriate.
If appropriate, your clinician prescribes your treatment and dosage.
Your medication is fulfilled through a licensed pharmacy.
We monitor your progress and adjust as needed.

Glutathione plays an essential role in protecting cells, maintaining antioxidant balance, and supporting the body's natural defense systems. Individuals interested in cellular health, healthy aging, immune function, or antioxidant support may wish to explore glutathione therapy as part of a personalized approach to their health.
Every day, our cells are exposed to oxidative stress from normal metabolic activity and environmental factors. Glutathione is one of the body's primary antioxidants, helping neutralize free radicals and protect cells from oxidative damage.
As we age, changes in antioxidant defenses and cellular function can influence overall health. Glutathione plays an important role in maintaining cellular balance and protecting against oxidative stress, making it an area of interest in longevity and healthy aging.
A healthy immune system depends on a balance of cellular activity and antioxidant protection. Glutathione plays an important role in normal immune-cell function, helping maintain the cellular environment needed for an effective immune response.
The liver relies on several natural processes to break down and eliminate substances from the body. Glutathione participates in these processes and helps protect liver cells from oxidative stress, contributing to normal liver and metabolic function.
Physical activity, environmental exposures, and everyday metabolic processes can influence the body's oxidative balance. Glutathione helps cells manage oxidative stress and supports the body's natural antioxidant systems.
Explore our other treatment options that may complement or offer alternatives to Glutathione Therapy.
Supports skin renewal, collagen production, and healthy-looking skin.
Supports cellular energy production and metabolic function.
Stimulates the body's natural release of growth hormone.
Discover more specialized treatments and services offered at Fountain
Frequently Asked Questions
Glutathione is an antioxidant naturally produced by the body. It participates in cellular antioxidant defense, redox balance, metabolism, and processes the body uses to manage oxidative stress. Its biological importance does not mean that supplemental glutathione automatically improves fatigue, inflammation, recovery, or other symptoms sometimes attributed to “oxidative stress.” At Fountain, treatment should have a specific clinical rationale rather than being used simply because glutathione is an important molecule.
Patients often ask about glutathione for concerns such as recovery, energy, antioxidant support, or general health support. Those goals are nonspecific. Fatigue or poor recovery, for example, may instead relate to sleep, nutrition, medications, hormonal health, metabolic health, training load, mental health, or another medical issue. Fountain considers whether glutathione reasonably fits the clinical picture rather than assuming that supplementation is necessary for every patient interested in antioxidant support.
That depends on why it was prescribed. Before treatment, it is useful to identify what you actually hope to improve. That might be a specific symptom, recovery pattern, or another measurable part of your health rather than simply trying to “increase antioxidants.” If the intended outcome is not changing over time, completing more treatment does not by itself mean the therapy is providing value.
Side effects depend on the formulation and route of administration. With injectable glutathione, some patients may experience nausea, headache, dizziness, flushing, or temporary discomfort related to the injection. Reactions vary from person to person and should be discussed with your clinician if they are persistent, significant, or unexpected. Fountain monitors treatment based on your individual response and whether the therapy continues to provide meaningful benefit.
Glutathione participates in many normal metabolic processes, including pathways used by the liver and other tissues to process reactive compounds. That is different from saying supplemental glutathione broadly “detoxes” the body or removes unspecified toxins. The body already has complex systems for metabolism and elimination. Fountain does not use vague detoxification claims as evidence that a treatment is working.
Clinically reviewed by
Last reviewed: October 2026
Dr. Doreen Zarfati is Chief Medical Officer at Fountain Health NYC and a double board-certified psychiatrist. Her work spans mental health, longevity, metabolism and sexual health, with a particular interest in how biological and clinical factors can influence psychiatric symptoms and treatment response. At Fountain, Dr. Zarfati provides clinical oversight of Fountain’s care models, reviewing and approving them for clinical use and guiding how they are applied in patient care. Her work in IV ketamine focuses on neuroplasticity, emotional processing and the thoughtful integration of emerging treatments into structured clinical care. Her approach is individualized, collaborative and grounded in measurable response, with treatment evolving as the patient’s clinical picture changes.
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Compounded medications are available only to patients who are evaluated by a licensed healthcare provider and receive a prescription when medically appropriate. Prescriptions for compounded medications are filled and dispensed by a licensed compounding pharmacy. Compounded medications are not FDA-approved, and the FDA does not review compounded medications for safety, effectiveness, or quality before they are marketed. Individual results may vary. Product images are for illustrative purposes only and may not reflect the actual medication, packaging, vial, or dosage dispensed.