What Is Ergothioneine? Exploring Its Potential Benefits
Ergothioneine is gaining attention in the world of nutrition and healthy aging. It is a naturally occurring compound found in certain foods, particularly mushrooms, and has antioxidant properties that may help support the body's natural defenses.
One of the things that makes ergothioneine interesting is the way the body handles it. We get it through our diet, and once it is available, the body has a specific system for taking it up and holding onto it.
This has created growing interest in its potential role in antioxidant support, cellular health and healthy aging.
What Is Ergothioneine?
Ergothioneine is a naturally occurring amino acid derivative that we get through food. The human body does not produce it on its own, so our intake comes from dietary sources.
Mushrooms are among the richest known sources of ergothioneine, although smaller amounts can be found in other foods.
The body has a dedicated way of absorbing and retaining ergothioneine. Once absorbed, ergothioneine can be taken up by cells and kept available in tissues.
This ability to hold onto ergothioneine is one of the reasons it has attracted growing interest in nutrition and healthy aging.
What Does Ergothioneine Do in the Body?
Much of the interest in ergothioneine comes from its antioxidant properties.
Our bodies naturally encounter free radicals as part of everyday life. The body has its own antioxidant defenses that help maintain balance and protect cells from oxidative stress.
Ergothioneine may help support these natural defenses and overall cellular health. Because the body actively takes it up and retains it, ergothioneine can remain available rather than being quickly eliminated.
What Are the Potential Benefits of Ergothioneine?
The potential benefits of ergothioneine are largely connected to antioxidant support, cellular health and healthy aging.
Antioxidant and Cellular Health Support
Ergothioneine may support the body's natural antioxidant defenses, which help protect cells from everyday oxidative stress.
Our cells are regularly exposed to oxidative stress from normal body processes and environmental factors. Supporting the body's natural antioxidant defenses is one way to help maintain overall cellular health.
Ergothioneine's antioxidant properties and the body's ability to retain it have made it a nutrient of growing interest for supporting cellular health over time.
Ergothioneine and Healthy Aging
Ergothioneine has also gained attention for its potential role in healthy aging.
Studies have found that levels of ergothioneine in the body may decline with age. Scientists are continuing to explore what this relationship may mean and how ergothioneine could help support health as we get older.
What Foods Contain Ergothioneine?
Mushrooms are one of the best dietary sources of ergothioneine.

Different types of mushrooms contain different amounts, with varieties such as oyster mushrooms, porcini, king oyster, shiitake and maitake providing ergothioneine. More common varieties, including white button mushrooms, contain it too.
Smaller amounts can also be found in foods such as beans and oat bran.
The amount of ergothioneine you get from food will depend on your overall diet, the foods you choose and how those foods were grown.
For people who regularly eat mushrooms, food can be a simple way to include ergothioneine in their diet.
How Does Ergothioneine Supplements Work?
Ergothioneine is also available in supplement form for people who want a more consistent way to include it in their wellness routine.
Take 1 teaspoon by mouth and hold it in your mouth for 30 to 90 seconds before swallowing. Best taken on an empty stomach or at least 10 minutes before meals.
For longer-term use, Sparrow generally recommends taking Ergo-Thione+ 5 days on and 2 days off, or as directed by your healthcare provider. With 20 one-teaspoon servings per bottle, this schedule makes each bottle approximately a 30-day supply. Your healthcare provider may recommend a different dosage based on your individual needs.
Ergo-Thione+ should be refrigerated upon receipt. If pregnant or breastfeeding, consult your healthcare practitioner before use.
Is Ergothioneine Worth Considering?
Ergothioneine is an interesting nutrient because we depend on our diet to get it, the body actively takes it up and retains it, and it may support the body's natural antioxidant defenses.
Mushrooms provide a natural dietary source, while supplements offer another option for people who want to include ergothioneine more consistently in their wellness routine.
Interested in Ergothioneine? Meet Ergo-Thione+ From Quicksilver Scientific
If you are interested in adding ergothioneine to your wellness routine, Sparrow Health & Performance offers Ergo-Thione+ from Quicksilver Scientific.
Ergo-Thione+ is a liposomal liquid formula that provides 20 mg of L-ergothioneine per serving. It combines ergothioneine with glutathione, vitamin C and selenium, nutrients that may support the body's natural antioxidant defenses and overall cellular health. The formula uses Quicksilver Delivery Systems® technology.
Take 1 teaspoon by mouth and hold it in your mouth for 30 to 90 seconds before swallowing. Repeat to desired dosage or as directed by a healthcare professional. Best taken on an empty stomach or at least 10 minutes before meals.
Each bottle contains 20 one-teaspoon servings, which is about three weeks at one serving per day.
Ergo-Thione+ should be refrigerated upon receipt. If pregnant or breastfeeding, consult your healthcare practitioner before use.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.






