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Glutathione 500 mg 30 capsules Life Extension

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SKU: 77538
Regular price $22.50 USD
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Glutathione is one of the powerful antioxidant compounds in your body, and it has an important job: helping protect your cells from oxidative stress. This formula provides 500 mg of glutathione per dose.

What is Glutathione?

In your body, glutathione contributes to many biochemical reactions: it helps defend cells from oxidative stress, helps other antioxidants get back to their active forms so they can continue working as antioxidants, and helps break down certain compounds that can contribute to oxidative stress. This supplement provides the sought-after reduced form of glutathione.

The reduced (aka active) form of glutathione is a perfect complement to a wellness-focused lifestyle!

Glutathione Benefits

  • Helps defend cells from oxidative stress
  • Helps break down compounds that add to oxidative stress
  • Acts as a cofactor for many important enzymes

The body’s heavy-duty antioxidant defense

Generally, glutathione exists in several different forms, including both reduced and oxidized states. In your body, the reduced form of glutathione is better at scavenging for free radicals, fulfilling its role as an antioxidant. Only thing is, glutathione levels decrease as you age. So if oxidative stress is on your mind, consider adding a daily 500 mg dose of the reduced form of glutathione to your routine!


What is glutathione?

Glutathione is an antioxidant in the body made up of three amino acids: glycine, cysteine and glutamate. It is sometimes nicknamed the “master antioxidant.”

What is reduced glutathione?

Glutathione exists in two forms, the oxidized and reduced forms. The reduced form, also known as the active form, is known for scavenging free radicals. This reduced or active form is the type of glutathione used in this supplement.

What are free radicals?

Day-to-day life produces substances called free radicals that circulate in the body. While they are normally the result of stress, free radicals can be caused by other environmental factors like smoke and pollutants. When the body produces too many free radicals, it can cause oxidative stress—which impacts the body and its cells.

What is the dosage of this product?

This product provides 250 mg of reduced glutathione per capsule. It is suggested to take two capsules a day.

When is the best time to take Glutathione? Should it be taken before or after a meal?

This product can be taken any time of the day, with or without food, based on your preference.

Will this supplement interact with my medication?

There is no indication that the glutathione in this formula would negatively interact with prescription medications. However, if you take any prescription medications and want to know more about potential interactions when taking this supplement, you should discuss supplementing with your physician.

Has this product been tested for heavy metal contamination?

All our raw materials go through stringent testing to meet our high-quality standards. Testing is performed for microbes, heavy metals, disintegration, potency and quantity of active ingredients in the finished product. Only when raw materials meet Life Extension’s specifications are they released for production. A Certificate of Analysis (COA) can be provided upon request for all our products.

Are there any major allergens in this product?

Glutathione does not contain any of the 9 major allergens required on the label under the Food Allergy Safety, Treatment, Education, and Research (FASTER) Act. This means it is free of milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, sesame and soybeans.

Where is this product manufactured?

Glutathione is manufactured in the USA.

Is this product vegetarian?

Yes, this product is vegetarian and does not contain any animal-derived ingredients.

Can children take this product?

This product was designed for adults over 18. Always consult with your child’s pediatrician before giving them any supplements.

What is glutathione?

Your body makes glutathione with three amino acids: glycine, cysteine, and glutamate.1 It’s considered the body’s master antioxidant because it protects cellular activity from within the cells, but it also regenerates other antioxidants and acts as a cofactor for many enzymes.1-3 Glutathione is also involved in the metabolism of certain compounds that can increase free radical activity.4

Glutathione in the body

In the body, glutathione exists in two forms: reduced and oxidized states.5 When it’s in its reduced form, glutathione is actively scavenging for free radicals. When it’s oxidized, glutathione is inactive and cannot fulfill its role as an antioxidant. Our glutathione formula delivers 500 mg of the active form of glutathione (reduced glutathione) in every serving.

What are antioxidants?

Antioxidants are substances that inhibit oxidation at the cellular level. They work by quenching free radicals, compounds that cause unwanted cellular reactions. Glutathione, aka the body’s master antioxidant, is a superstar at scavenging free radicals before they can cause cellular stress, protecting your cells so they can function optimally.

Serving Size 2 vegetarian capsules

Servings Per Container 30
Amount Per Serving
Calcium (as dicalcium phosphate) 80 mg

Opitac® L-glutathione (reduced)

500 mg

Other ingredients: vegetable cellulose (capsule), microcrystalline cellulose, silica, vegetable stearate.


Opitac® is the trademark for L-Glutathione of Mitsubishi Corporation Life Sciences Limited.

Dosage and Use
  • Take two (2) capsules daily, or as recommended by a healthcare practitioner.
  • Do not purchase if outer seal is broken or damaged.
  • When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

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