L-Glutathione (Reduced) 500 mg

L-Glutathione (Reduced) 500 mg

California Gold Nutrition4.6 (17,143 ratings)
Format:Capsule Quantity: 120 Capsule(s) · 120 servings
Goals
$42.34 $0.35 per serving

Product analysis

62 out of 100

L-Glutathione (Reduced) 500 mg may help some aspects of skin pigmentation, although the oral findings are small and do not establish broad cosmetic improvements.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

The ingredient form is not separately specified, so absorption quality remains uncertain. The product name alone does not fully characterize its preparation.

Ingredient Transparency63

The glutathione amount is stated, making the serving easy to check. Separate form detail is unspecified, limiting comparisons of preparations.

Value For Money100

The glutathione serving compares favorably on price. That supports its value for someone specifically seeking this ingredient.

Customer Satisfaction88

Customer feedback is generally favorable across a very large review history. The ratings describe satisfaction without confirming cosmetic effects.

Product Focus70

A single ingredient keeps the purpose focused on glutathione. Its skin relevance mainly concerns pigmentation, with limited support for broader changes in skin structure.

Format
Capsule
Container
120 Capsule(s)
Per serving
$0.35
Customer rating
4.6 · 17,143 ratings
Report analysis

Goals

Skin Health
Impact
High effect
B+ Ingredient FitF PathwaysB EvidenceA+ Formulation Logic
Gluthathione · 500 mg
Study evidence

Ingredients

IngredientAmount per servingScore
L-Glutathione, Reduced
500 mg
Gluten Free Adults 18–50 Dairy Free
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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. The effects of the oral supplementation of L-Cystine associated with reduced L-Glutathione-GSH on human skin pigmentation: a randomized, double-blinded, benchmark- and placebo-controlled clinical trial.
    Duperray J; Sergheraert R; Chalothorn K; Tachalerdmanee P; Perin F · Journal of cosmetic dermatology · 2022
    Randomized trial124 participantsSkin Health forGluthathione
  2. Skin-whitening and skin-condition-improving effects of topical oxidized glutathione: a double-blind and placebo-controlled clinical trial in healthy women.
    Watanabe F; Hashizume E; Chan GP; Kamimura A · Clinical, cosmetic and investigational dermatology · 2014
    Randomized trial30 participantsSkin Health forGluthathione
  3. Systematic Review of the Efficacy and Safety of Topical Glutathione in Dermatology.
    Khanna R; Rambhia P; Chapas A · The Journal of clinical and aesthetic dermatology · 2025
    Systematic review5 studies pooledSkin Health forGluthathione
  4. Effects of antioxidants on glutathione levels and clinical recovery from the malnutrition syndrome kwashiorkor--a pilot study.
    Becker K; Pons-Kühnemann J; Fechner A; Funk M; Gromer S; Gross HJ; Grünert A; Schirmer RH · Redox report : communications in free radical research · 2006
    Randomized trialSkin Health forGluthathione
  5. Glutathione and its antiaging and antimelanogenic effects.
    Weschawalit S; Thongthip S; Phutrakool P; Asawanonda P · Clinical, cosmetic and investigational dermatology · 2020
    Randomized trial57 participantsSkin Health forGluthathione