Reduced Glutathione

The active, antioxidant form of glutathione with a free thiol group that can donate an electron to neutralize free radicals
Antioxidants Peptides Research: Extensive

Scientific Name

L-Glutathione (reduced form)

Classifications

Source: various
State: reduced
Type: tripeptide

Benefits

  • Powerful antioxidant protection
  • Supports liver detoxification processes
  • Immune system support
  • Cellular protection from free radical damage
  • May help reduce oxidative stress
  • Supports respiratory health

Specific Properties

  • Biochemically active form
  • Contains free thiol (sulfhydryl) group
  • Vulnerable to oxidation and digestive degradation
  • Primary form used by cells
  • Most common form in supplements

Safety Notes

Generally recognized as safe when used as directed. Oral absorption of regular (non-liposomal) glutathione is limited. Some individuals may experience digestive discomfort, skin rash, or other mild side effects. Those with asthma should use with caution as glutathione may act as a bronchial constrictor in some sensitive individuals. Intravenous administration should only be performed by qualified healthcare professionals.

Related Products

This ingredient is found in proprietary blends used in the following products:

About Glutathione

A tripeptide antioxidant composed of three amino acids (glutamine, cysteine, and glycine) that plays a critical role in detoxification, immune function, and cellular protection against oxidative damage

Back to Glutathione

Forms of Reduced Glutathione

Standard Oral Glutathione

Basic oral supplement form of reduced glutathione

Antioxidants Peptides Research: Moderate

Liposomal Glutathione

Reduced glutathione encapsulated in phospholipid liposomes for enhanced absorption

Antioxidants Peptides Research: Moderate

Sublingual Glutathione

Reduced glutathione formulated for absorption under the tongue, bypassing digestive degradation

Antioxidants Peptides Research: Limited