Glutathione is produced naturally in our bodies. It is recommended to keep glutathione levels high to enhance liver metabolism, regulate the immune system, control inflammation, and aid in DNA repair. It also acts as an antioxidant. Toxic substances are neutralized by antioxidants, helping to prevent chronic diseases such as autoimmune disorders and cancer. Glutathione is effective in preventing cancer, dementia, cardiovascular diseases, aging, and many other chronic diseases.
Daily exposure to toxins leads to the consumption of large amounts of glutathione for the elimination of these toxic substances. These substances include:
- Poor nutrition (vitamin-mineral deficiencies, antioxidant deficiencies)
- Heavy metals (mercury, lead, copper, cadmium, etc.)
- Artificial sweeteners (aspartame)
- Alcohol
- Household cleaning products (bleach, detergents, etc.)
- Kitchen products (canned foods, non-stick pan coatings, plastic containers, etc.)
- Chronic stress, depression
- Suppression of melatonin secretion (exposure to light during nighttime)
- Excessive exercise
- Painkillers, antipyretic drugs (paracetamol)
Foods That Increase Glutathione Levels
Foods Rich in Sulfur
Consume allium group foods like onions, garlic, leeks, as well as green leafy vegetables such as cabbage, kale, Brussels sprouts, broccoli, cauliflower, radishes, and watercress. Eating these vegetables in a chopped form can enhance glutathione enzyme activity. Steaming or eating them raw helps to obtain the best yield.
Foods Rich in Selenium
Support glutathione production. Brazil nuts, sardines, eggs, chicken, turkey, and organ meats are rich in selenium.
Magnesium
Essential for glutathione synthesis. A daily intake of 500-700 mg is recommended. Foods high in magnesium include spinach, zucchini, beans, fish, almonds, walnuts, peanuts, and pumpkin seeds.
B Group Vitamins
Folate, B6, B12, and biotin vitamins help eliminate harmful substances from the body. Spinach, parsley, green beans, lentils, avocados, asparagus, and liver are rich in these micronutrients.
Vitamin B2 aids in the regeneration of glutathione. The best sources are green leafy vegetables, red meat, white meat, eggs, and seafood.
Zinc
A deficiency in zinc leads to a decrease in active glutathione in red blood cells. A daily intake of 8-11 mg is recommended. It’s important to note that high levels of zinc can be toxic. Animal sources provide more benefits than plant sources. Red meat, white meat, and shellfish are zinc-rich foods.
Antioxidant Vitamins
Vitamin C is found in green leafy vegetables, citrus fruits, kiwis, and green and red peppers. It increases glutathione levels in lymphocytes and red blood cells.
Foods rich in vitamin E include spinach, pumpkin, olive oil, avocados, almonds, and trout. It works in conjunction with glutathione and helps recycle glutathione along with vitamin C.
Alpha-Lipoic Acid
An antioxidant produced by the body. It supports glucose metabolism and liver functions. It is found in tomatoes, broccoli, Brussels sprouts, organ meats, and red meat.
Milk Thistle (Silymarin)
Supports the cleansing, protection, and renewal of the liver. It increases glutathione levels.
Spices
Cinnamon, turmeric, black seed, and cardamom stimulate glutathione production.
Foods Rich in Glutathione (Listed from Highest to Lowest Glutathione Content)
Asparagus – Avocado – Spinach – Okra – Broccoli – Melon – Tomato – Carrot – Orange – Zucchini – Strawberry – Watermelon – Red Pepper – Peach – Lemon – Banana – Cauliflower – Walnut – Cucumber – Green Bell Pepper – Apple – Grape
In addition to nutrition, quality sleep and moderate exercise can also help to increase glutathione levels.
REFERENCES
- Nutrients 2019, 11(9), 2073; https://doi.org/10.3390/nu11092073
- Nutrients 2019, 11(5), 1056; https://doi.org/10.3390/nu11051056
- Antioxidants 2020, 9(10), 909; https://doi.org/10.3390/antiox9100909
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