Glutathione is a powerful antioxidant composed of three amino acids: glutamine, cysteine, and glycine. It is naturally found in every cell of the human body and plays a crucial role in protecting cells from oxidative stress and damage caused by free radicals. The most extensively studied health effects of glutathione revolve around its ability to support the immune system and detoxify the body by aiding in the elimination of toxins and heavy metals. Research indicates that adequate levels of glu

How many studies on Glutathione are available?

NutriVouch references 678 human studies on Glutathione, all peer-reviewed and indexed on PubMed.

Is Glutathione effective for Antioxidant Protection?

For Antioxidant Protection, Glutathione has an effectiveness score of 6/10 — moderate evidence — works in some populations. Based on 24 relevant studies.

Is Glutathione effective for Liver Support?

For Liver Support, Glutathione has an effectiveness score of 5/10 — moderate evidence — works in some populations. Based on 17 relevant studies.

Is Glutathione effective for Skin Health?

For Skin Health, Glutathione has an effectiveness score of 4/10 — weak or limited clinical evidence. Based on 12 relevant studies.

Is Glutathione effective for Immune Support?

For Immune Support, Glutathione has an effectiveness score of 3/10 — weak or limited clinical evidence. Based on 20 relevant studies.

Is Glutathione effective for Anti-Inflammation?

For Anti-Inflammation, Glutathione has an effectiveness score of 3/10 — weak or limited clinical evidence. Based on 19 relevant studies.

Confidence level

Strong evidence

678 studies

Glutathione

Absorption

✦Best absorbed in liposomal form or as an acetylated version. Can be taken with or without food.

Daily Dose

⚖

Common dose: 250–1,000 mg daily

RDA: No official RDA established

Upper limit: Not established

Best form: Liposomal glutathione, S-acetyl glutathione

Timing: Can be taken on an empty stomach or with a meal.

Higher doses have not been well studied for long-term safety. Consult a healthcare provider for use in specific health conditions.

Effects

🍇 Antioxidant Protection

Food Sources

Spinach11mg per 100g
Avocado10mg per 100g
Asparagus9mg per 100g
Okra7mg per 100g
Broccoli6mg per 100g