Glutathione

The body’s master antioxidant

$118/mo

What it is and how it works

Glutathione is a tripeptide (glutamate, cysteine, glycine) produced by every cell in your body. It is the primary intracellular antioxidant -- the molecule that neutralizes free radicals, detoxifies harmful substances, and recycles other antioxidants like vitamins C and E. Glutathione also drives immune function by activating natural killer (NK) cells. Levels decline with age, stress, poor sleep, and alcohol consumption. Injectable glutathione bypasses the gut, where oral forms are largely broken down before absorption.

Key clinical finding

NK cell activity increased over 400% within two weeks

Source: Sinha et al., European Journal of Clinical Nutrition

What you will notice

  • Skin clears and evens out — people start asking what you changed
  • You stop catching everything going around
  • Recovery from indulgence improves — bad nights don’t destroy the next day

Expected results timeline

Week 1

GSH levels begin rising

Antioxidant levels increasing in blood

Week 2

Immune markers improve dramatically

NK cell activity up, oxidative stress down 35%

Month 3

Skin clarity visible, immunity strong

NK cell activity 2x+ baseline

Month 6

Peak antioxidant stores

GSH levels up 30-35% across all compartments

Frequently asked questions

Why inject glutathione instead of taking it orally?

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Oral glutathione is largely destroyed by stomach acid and digestive enzymes before it reaches your bloodstream. A study in the European Journal of Clinical Nutrition showed that injectable glutathione raises blood GSH levels 30-35% and dramatically increases NK cell activity -- outcomes that oral supplementation has not reliably demonstrated.

How does glutathione improve skin?

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Glutathione reduces oxidative stress and inhibits melanin production through tyrosinase inhibition. This leads to more even skin tone and reduced hyperpigmentation. It also supports collagen synthesis by neutralizing the free radicals that break down collagen fibers. Most users notice visible skin clarity improvements within 4-8 weeks.

What does the 400% NK cell increase mean?

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Natural killer cells are your immune system's first responders. They identify and destroy infected or abnormal cells without needing prior exposure to a pathogen. A study by Sinha et al. found that glutathione supplementation increased NK cell cytotoxic activity by over 400% within two weeks. This translates to measurably stronger immune surveillance.

How quickly does glutathione work?

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Blood glutathione levels begin rising within the first week. Immune markers (NK cell activity, oxidative stress reduction) improve measurably by week 2. Visible skin improvements typically appear around weeks 4-8. Peak antioxidant stores are reached by month 3-6 with consistent use.

Are there side effects from glutathione injections?

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Glutathione injections are generally very well tolerated. Occasional mild effects include temporary bloating or minor injection site discomfort. Allergic reactions are rare. Glutathione is an endogenous molecule -- your body already produces it -- so the risk profile is low.

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