Glutathione Precursors

Glutathione Precursors, by Genestra Brands, supports glutathione formation and antioxidant activity.


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Glutathione Precursors

Glutathione Precursors, by Genestra Brands, provides antioxidant support and supports glutathione formation.

Glutathione, or γ-glutamyl-cysteinylglycine (GSH), is the primary intracellular antioxidant involved in preventing lipid and protein oxidation, and is a critical component in the enzymatic process used to detoxify hydroxide peroxide (H2O2). Cysteine, glutamic acid and glycine are the three essential precursors for endogenous glutathione production. Supplementation with NAC, cysteine, and glycine has been shown to increase GSH levels.


Supports formation of the key antioxidant compound glutathione

  • Provides antioxidant support
  • Provides the three precursors needed to form glutathione within the body: N-acetyl-L-cysteine (NAC), glutamic acid and glycine
  • Includes α-lipoic acid

Supplement Facts

Serving Size 1 Capsule
Servings per Container 30
Each Capsule Contains

  • N-acetyl-L-cysteine (NAC) – 200 mg
  • L-glutamic acid – 200 mg
  • DL-alpha lipoic acid – 200 mg
  • L-glycine – 100 mg

Other ingredients: Hypromellose, magnesium stearate

Guaranteed to contain no added wheat, yeast, gluten, soy, sodium, artificial coloring or flavoring, antimicrobial preservatives or dairy products. Ideal for vegetarians. The capsules are made from 100% pure vegetable sources, free of preservatives and additives.

Recommended Adult Dose

Take one Glutathione Precursors capsule daily with a meal or as recommended by one of our health coach professionals.

Risk Information

If you are pregnant or breastfeeding, consult your healthcare practitioner prior to use.

Quality Assurance

Safety-sealed for your protection and for product freshness. Do not use if outer seal is missing or broken.


Store in a cool, dry place.

Dairy Free     Gluten Free     Vegan


Genestra Brands

Exceptional quality, consistency and reliability Genestra Brands supplements support individualized treatment plans with a 350+ professional-grade products offering in a variety of formats, proven safe, effective and reliable for over 30 years, backed by clinical or traditional evidence.
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