Glutathione 500 mg

Glutathione 500 mg

NOW4.6 (102,290 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 60 servings
Goals

Product analysis

56 out of 100

Glutathione 500 mg may influence the body’s glutathione stores and antioxidant balance. Whether that translates into less inflammation or symptom relief remains unclear.

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

Nutrient Quality23

The milk-thistle preparation is named, but its particular quality is not established. The glutathione and alpha-lipoic-acid forms are unspecified, limiting comparison of those preparations.

Ingredient Transparency75

All three ingredient amounts are disclosed. Only the milk-thistle preparation is identified, so the other forms remain less clear.

Value For Money65

The glutathione and milk thistle offer reasonably favorable value for the serving cost. Value for the alpha lipoic acid remains uncertain.

Customer Satisfaction90

Customer feedback is positive across a very large review base. The extensive response supports confidence in satisfaction without demonstrating an anti-inflammatory benefit.

Product Focus53

Glutathione provides a clear connection to antioxidant balance. Changes in glutathione stores do not establish meaningful relief from inflammation or related symptoms.

Format
Capsule
Container
60 Capsule(s)
Per serving
$0.38
Customer rating
4.6 · 102,290 ratings
Report analysis

Goals

Inflammation
Impact
Moderate effect
A- Ingredient FitF PathwaysD+ EvidenceA+ Formulation Logic
Glutathione · 500 mg
Study evidence

Ingredients

IngredientAmount per servingScore
Glutathione
500 mg 69
Milk Thistle extract (Silymarin Flavonoids)
100 mg 100
Alpha Lipoic Acid
50 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Glutathione · 500 mg OverallScore69
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB- Value
Each serving provides 500 mg of reduced glutathione at a moderate cost per serving. The amount is clearly stated. The reduced form is disclosed. A branded source and purity standard are not specified.
How this ingredient is rated

Active Ingredient Quality & Bioavailability37

It uses the standard reduced form of glutathione. The glutathione is named, but a branded source and purity standard are not specified.
Delivery System & Absorption Potential
It uses the standard reduced form of glutathione.
Branded Sources & Purity Markers
The glutathione is named, but a branded source and purity standard are not specified.

Dose, Safety & Label Transparency100

The label states 500 mg of glutathione per serving, a substantial amount.
Dosage Potency per Serving
The serving provides 500 mg of reduced glutathione, a substantial amount.
Label Transparency
The glutathione amount is explicitly stated as 500 mg per serving.

Value70

The cost per serving is moderate.
Cost Efficiency by Form
The cost per serving is moderate.
A+ Composition And Label DisclosureA+ Composition And Label DisclosureA+ Commercial Price And Usability
The serving provides 100 mg of milk thistle fruit/seeds extract, with a low whole-product cost per serving. Milk thistle fruit/seeds extract is declared to contain 80% silymarin. It lists 80 mg of silymarin.
How this ingredient is rated

Composition and Label Disclosure100

Milk thistle fruit/seeds extract is declared to contain 80% silymarin.
Declared Silymarin Concentration
Milk thistle fruit/seeds extract is declared to contain 80% silymarin.

Composition and Label Disclosure100

80 mg of silymarin is stated alongside the extract amount.
Extract and Marker Amount Disclosure
80 mg of silymarin is stated alongside the extract amount.

Commercial Price and Usability100

The whole-product cost per labeled serving is low.
Selected-Serving Price Comparison
The whole-product cost per labeled serving is low.
Report alternatives

Sources

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

  1. Serum type III procollagen, procollagen V, tumour necrosis factor-a, interleukin-6 in liver cirrhosis after antiviral treatment.
    Li W; Liu X; Bi F · Journal of medical biochemistry · 2025
    Randomized trial92 participantsInflammation forGlutathione
  2. Evaluation of the antioxidant and anti-inflammatory effect of sublingual glutathione on COPD patients.
    Farag A; Abass W; Qassem H · Journal of medicine and life · 2024
    Cohort study50 participantsInflammation forGlutathione