Natural Sources of Ergothioneine

Ergothioneine (ERGO) is a naturally occurring amino acid and antioxidant found predominantly in certain mushrooms and a few other foods. Here are some of the primary natural sources:

• Mushrooms: Specialty mushrooms are the richest source. Varieties like Agaricus bisporus (common button mushrooms), Pleurotus (oyster mushrooms), and Boletus edulis (porcini mushrooms) contain high levels of ergothioneine¹².
• Animal Products: Certain organ meats such as kidney and liver also have notable amounts of ergothioneine¹.
• Plants and Beans: Black and red beans, as well as oat bran, are known to contain ergothioneine¹.

Supplements Containing Ergothioneine

If you're looking for ergothioneine supplements, here are a couple of options:

• Ergothioneine Mushroom Complex - $22.25

  • Attributes: Gluten-Free, Organic, Soy-Free
  • Ingredients: Organic maitake mushroom extract (150 mg), Organic oyster mushroom extract (150 mg), Organic lion's mane mushroom extract (100 mg), L-Ergothioneine (5 mg)
  • Serving Information: 1 capsule per serving, 90 servings per container

• Ergothioneine - $17.09

  • Attributes: Gluten-Free, Soy-Free
  • Ingredients: L-Ergothioneine (5 mg)
  • Serving Information: 1 capsule per serving, 90 servings per container

These supplements are designed to provide a concentrated dose of ergothioneine, leveraging its antioxidant properties for potential health benefits.

Footnotes

1. Janine Ey, "Dietary sources and antioxidant effects of ergothioneine," PubMed, 2007. ↩ ↩² ↩³

2. Michael D Kalaras, "Mushrooms: A rich source of the antioxidants ergothioneine and glutathione," PubMed, 2017. ↩