What Is Glutathione And Which Natural Foods Contain It?

There are several natural foods that can help support glutathione production or contain precursors that aid in its synthesis

STP Team
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Glutathione is an antioxidant naturally produced in the body and plays a crucial role in maintaining overall health.

While there aren't many foods that are rich in glutathione itself, there are several natural foods that can help support its production or contain precursors that aid in its synthesis. Here are some examples

Whey protein

Whey protein, particularly the undenatured form, is a good source of cysteine, which is an amino acid that serves as a building block for glutathione synthesis.

Cruciferous vegetables

Vegetables like broccoli, cauliflower, cabbage, and Brussels sprouts are rich in sulfur-containing compounds such as sulforaphane, which can enhance the production of glutathione in the body.




Garlic contains sulfur compounds like allicin, which may help boost glutathione levels by supporting its synthesis.


Avocados are nutrient-dense fruit that contains various antioxidants, including glutathione. While the glutathione content is not exceptionally high, avocados support overall antioxidant defense in the body.


Spinach is a leafy green vegetable that contains a range of antioxidants, vitamins, and minerals, including glutathione. It also provides other nutrients that support glutathione production, such as folate.



Asparagus is a vegetable known for its high content of glutathione precursors, including cysteine and glutamic acid. These compounds support the body's production of glutathione.

Citrus fruits:

Citrus fruits like oranges, grapefruits, and lemons are rich in vitamin C, which can help maintain glutathione levels by protecting it from oxidation.


Turmeric is a spice with a compound called curcumin, which exhibits antioxidant properties. It may support glutathione levels indirectly by reducing oxidative stress in the body.


It's important to note that while these foods contain components that support glutathione production or function, the body's ability to absorb and utilise glutathione from dietary sources is limited. Therefore, focusing on a healthy and varied diet that includes these foods can help support an overall antioxidant defense and the body's natural glutathione production.

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