Functional Ingredient

Reduced glutathione

Reduced glutathione, often written as GSH, is formed from glutamate, cysteine and glycine. Its sulphur-containing structure participates in cellular antioxidant and recycling pathways.

It contributes to the body's normal management of oxidative processes and works alongside other antioxidant nutrients.

In everyday life, Reduced Glutathione supports your body's natural cellular antioxidant network, helping maintain a balanced response to everyday oxidative stress.

Its contribution depends on ingredient form, quantity and the complete formulation.

Ingredient overview

What it is

Reduced glutathione, often written as GSH, is formed from glutamate, cysteine and glycine. Its sulphur-containing structure participates in cellular antioxidant and recycling pathways.

  • Scientific identity: Reduced Glutathione; molecule: Gamma-glutamyl-cysteinyl-glycine tripeptide.
  • How it works: Assembled from three amino acids: Glutamate, cysteine and glycine are joined in two energy-dependent steps. Held at millimolar concentrations: It is present inside cells far more abundantly than most signalling molecules.
  • Primary function: It contributes to the body's normal management of oxidative processes and works alongside other antioxidant nutrients.
  • What it supports: Reduced Glutathione supports your body's natural cellular antioxidant network, helping maintain a balanced response to everyday oxidative stress.
  • Important consideration: Its contribution depends on ingredient form, quantity and the complete formulation.

Formulation rationale

Why we use it

CARPEDIEM selected Reduced Glutathione for a clearly defined role within a thoughtfully balanced formulation.

  • Formulation purpose: It contributes to the body's normal management of oxidative processes and works alongside other antioxidant nutrients.
  • Used in: CARPEDIEM Hair Skin Nails and CARPEDIEM Women’s Beauty & Wellness Stack.
  • Works alongside: Reduced Glutathione complements L-Cysteine and Astaxanthin to support a more complete functional-wellness formulation.
  • Meaningful contribution: Reduced Glutathione supports your body's natural cellular antioxidant network, helping maintain a balanced response to everyday oxidative stress. Contributes to the recycling systems that help manage normal oxidative processes.
  • Quality and scientific context: Its contribution depends on ingredient form, quantity and the complete formulation. 3 ingredient-specific studies are included because the research reports a relevant benefit.

Ingredient intelligence

How it works

Three amino acids, present inside cells at levels most molecules never reach.

Step 01 / 04

Built from three parts.

Glutamate, cysteine and glycine are joined in two energy-requiring steps inside the cell.

01 / 04

Molecule

A tripeptide - glutamate, cysteine, glycine

Level in cells

Millimolar - unusually abundant

Active part

The cysteine sulphur group

Limited by

Cysteine supply

Descriptive of the ingredient's established biology. Not a claim to diagnose, treat, cure or prevent any disease.

All key functions

The complete functional profile connected with this ingredient.

Supports the body's normal antioxidant-related pathways within active cells.

Provides glutathione in its reduced form, commonly identified as GSH.

Contributes to the recycling systems that help manage normal oxidative processes.

Supports cellular defence mechanisms alongside other antioxidant nutrients.

Combines three amino-acid building blocks used in the body's natural glutathione pool.

Complements formulations designed around skin wellness and cellular nutrition.

Supports your body's natural cellular antioxidant network, helping maintain a balanced response to everyday oxidative stress.

Works alongside L-Cysteine and Vitamin C to create a more coordinated, science-led nutritional formula.

Selected research

Open the original paper, PubMed record or DOI page for the full publication.

Complementary by function

Ingredient intelligence

How it works

Three amino acids, present inside cells at levels most molecules never reach.

Step 01 / 04

Built from three parts.

Glutamate, cysteine and glycine are joined in two energy-requiring steps inside the cell.

01 04

Molecule

A tripeptide - glutamate, cysteine, glycine

Level in cells

Millimolar - unusually abundant

Active part

The cysteine sulphur group

Limited by

Cysteine supply

Descriptive of the ingredient's established biology. Not a claim to diagnose, treat, cure or prevent any disease.