What is Glutathione and why is it so important for your overall health?

What is Glutathione and why is it so important for your overall health?

Glutathione is a tripeptide molecule composed of three amino acids: glutamate, cysteine, and glycine. It is a powerful antioxidant naturally produced by the body and found in various cells, tissues, and organs. Glutathione plays a crucial role in maintaining overall health due to its numerous functions and benefits:

  1. Antioxidant Defense: One of the primary functions of glutathione is to act as a potent antioxidant. It helps neutralize harmful free radicals in the body, which are unstable molecules that can cause oxidative stress and damage cells. Reducing oxidative stress is essential for preventing various chronic diseases and supporting overall well-being.
  2. Detoxification: Glutathione plays a vital role in the body’s detoxification processes. It assists in the removal of harmful toxins, heavy metals, and other pollutants from the body, protecting cells and organs from damage caused by these substances.
  3. Immune Support: Glutathione supports the immune system by enhancing the activity of immune cells and promoting their optimal function. It helps the body fight off infections and diseases more effectively.
  4. Cellular Health: Glutathione is crucial for maintaining healthy cells. It helps preserve cellular structures, supports DNA repair, and regulates cell proliferation and death, contributing to overall cellular health and longevity.
  5. Energy Production: Glutathione is involved in various metabolic processes, including the production of adenosine triphosphate (ATP), which is the primary energy currency of cells. Adequate levels of glutathione can contribute to improved energy levels.
  6. Anti-Aging Benefits: As an antioxidant, glutathione helps protect cells from damage, which can slow down the aging process and reduce the appearance of aging-related signs like wrinkles and fine lines.
  7. Cardiovascular Health: Glutathione helps maintain healthy blood vessels and can protect against the damage caused by oxidative stress in the cardiovascular system, reducing the risk of heart disease.
  8. Respiratory Health: Glutathione is essential for maintaining healthy lung function and protecting lung tissues from damage caused by pollution, smoke, or other harmful substances.
  9. Liver Support: The liver is a major organ involved in detoxification, and glutathione plays a critical role in supporting its function, protecting it from damage, and promoting optimal liver health.

While the body can synthesize glutathione, certain factors can lead to reduced production or increased demand for this essential antioxidant. These factors include aging, poor diet, stress, pollution, and certain medical conditions. To boost glutathione levels, people may consider consuming foods rich in the amino acids required for its synthesis, such as cysteine-containing foods (e.g., garlic, onions, cruciferous vegetables) or take glutathione supplements (though the effectiveness of oral supplementation is debated). Before considering any supplementation, it is essential to consult a healthcare professional to assess individual needs and potential interactions with other medications or health conditions. Additionally, maintaining a healthy lifestyle with a balanced diet, regular exercise, and stress management can also support the body’s natural production of glutathione and overall health. Does Glutathione decrease as we age? Does it decrease with disease? As we age, glutathione levels tend to decrease and certain diseases, health conditions or environment can also lead to reduced glutathione levels in the body. Age: The body’s natural production of glutathione tends to decrease as we get older. This decline is partly due to changes in the body’s ability to synthesize the amino acids required for glutathione production and increased oxidative stress with age. Diseases and Health Conditions: For example, chronic infections, autoimmune disorders, metabolic disorders, and liver diseases can increase the body’s demand for glutathione, leading to decreased levels. Additionally, certain medications and treatments could affect glutathione levels. Environmental Factors: Exposure to environmental toxins, pollution, and certain lifestyle factors, such as smoking and alcohol consumption, can contribute to the depletion of glutathione levels in the body. Poor Diet: A diet lacking in essential nutrients, particularly those needed for glutathione synthesis, can also result in lower glutathione levels.

Foods and supplements that help maintain and boost glutathione levels in the body are listed below.

  1. Sulfur-Rich Foods: Glutathione contains the sulfur-containing amino acid cysteine, which is a crucial component for its synthesis. Foods rich in sulfur can help support glutathione production. Examples of sulfur-rich foods include garlic, onions, cruciferous vegetables (broccoli, cauliflower, cabbage), and allium vegetables (leeks, shallots).
  2. Protein-Rich Foods: Adequate protein intake provides the necessary amino acids, including cysteine, to support glutathione synthesis. Good sources of protein include fish, poultry, lean meats, eggs, and legumes.
  3. High-Antioxidant Foods: Consuming a variety of antioxidant-rich foods helps reduce oxidative stress and preserve existing glutathione levels. Include fruits (berries, citrus fruits, kiwi) and vegetables (spinach, kale, bell peppers) in your diet.
  4. Vitamin C: Vitamin C is essential for glutathione recycling, which means it helps to regenerate oxidized glutathione back to its active form. Foods rich in vitamin C include Kakadu plum, Acerola cherries, oranges, strawberries, kiwi, bell peppers, and broccoli.
  5. Selenium: Selenium is another important mineral that supports glutathione function. Brazil nuts are an excellent source of selenium. Other sources include seafood, meat, poultry, and eggs.
  6. Milk Thistle: This herb contains a compound called silymarin, which may help increase glutathione levels and protect the liver.
  7. Curcumin (Turmeric): Curcumin, the active compound in turmeric, has been shown to boost glutathione levels and possess potent antioxidant properties.
  8. N-Acetylcysteine (NAC) Supplements: NAC is a precursor to cysteine and has been shown to support glutathione synthesis. It is available as a supplement and can be beneficial in specific cases, but it’s essential to consult a healthcare professional before taking any supplements.


It’s essential to maintain a healthy lifestyle, including a balanced diet and regular exercise, to support the body’s natural production of glutathione. In certain cases, a Functional Nutritionist or healthcare professional may recommend specific interventions, such as supplementation, targeted diets, or treatments, to address glutathione depletion related to age or specific health conditions. For nutritional advise reach to www.projectyoubewell.com.


Greenbrae - Marin County OB-GYN and Aesthetics

Focus on Women’s Health

La Follette OB-GYN and Aesthetics offers women’s comprehensive obstetric and gynecological care including high-risk prenatal care, well women care exams with STD testing and birth control choices, as well as minimally invasive surgeries and popular non-invasive lasers such as MonaLisa Touch, SculpSure, and Icon.

Our goal is to provide each woman with the best and most personalized service oriented OB-GYN care possible.

Learn More

Join Our Newsletter

Sign-up for our newsletter to stay up-to-date on the latest news and event information for La Follette OB-GYN & Aesthetics.

Search ...

We're happy to answer any questions you may have, feel free to call us at
(415) 461-1949