How Much Ergothioneine in Mushrooms?

Ergothioneine, often referred to as the "longevity vitamin," is a powerful antioxidant naturally occurring in certain foods, with mushrooms standing out as one of the richest sources. In mushrooms, the ergothioneine content varies widely depending on the species, ranging from 1 mg to over 5 mg per 100 grams of fresh weight.

This makes them an excellent dietary source of this unique compound. If you're looking for a reliable ergothioneine powder, consider KINGSCI, a global supplier offering high-quality products with GMP certification. Contact us for free samples.

Rich Sources of Ergothioneine in Mushrooms

Mushrooms are a top dietary source of ergothioneine. Common varieties like shiitake, maitake, and oyster mushrooms boast some of the highest levels, with concentrations often exceeding 5 mg per 100 grams.

White button mushrooms, while not as rich, still contain a significant amount, averaging around 1 mg per 100 grams. This diversity allows consumers to enjoy a wide range of mushrooms while reaping the benefits of this potent antioxidant.

The high ergothioneine content in mushrooms contributes to their reputation as a "functional food." This amino acid derivative is linked to cellular protection, enhanced immunity, and reduced oxidative stress.

Consuming mushrooms regularly ensures you receive a consistent dose of ergothioneine, which may support long-term health and wellbeing.

Top Mushrooms for Ergothioneine

• King Oyster Mushrooms: Up to 5.4 mg per 100 grams
• Maitake Mushrooms: 3.5–4.8 mg per 100 grams
• Shiitake Mushrooms: Around 3 mg per 100 grams

Mushrooms: The Best Natural Source

Among all foods, mushrooms are the unrivaled champions of ergothioneine. No other plant-based or animal-based source comes close to the concentrations found in certain mushroom species. For those seeking an ergothioneine-rich diet, mushrooms are indispensable.

Comparing Ergothioneine in Foods

• Mushrooms: Up to 5.4 mg/100 g
• Oat Bran: Approximately 0.4 mg/100 g
• Beans: Less than 0.2 mg/100 g

Supplementation Options

If consuming large quantities of mushrooms isn't feasible, ergothioneine supplements are an excellent alternative. KINGSCI offers ergothioneine powders tailored for dietary supplementation.

Daily Ergothioneine Needs

Although no official guidelines exist for ergothioneine intake, research suggests a daily dose of 5–10 mg for optimal health benefits. This equates to consuming 100–200 grams of ergothioneine-rich mushrooms.

Mushroom Extract Supplements

Mushroom supplements, such as powders or capsules, are a concentrated way to meet daily ergothioneine needs. These products can deliver up to 10 mg of ergothioneine per serving, depending on the brand and formulation.

Choosing the Right Product

Look for supplements made from ergothioneine-rich species like king oyster or maitake mushrooms. KINGSCI's mushroom extract powders are a trusted choice, providing high-quality ergothioneine content.

Cordyceps: A Special Case

Cordyceps mushrooms contain ergothioneine, albeit in smaller amounts compared to other species. On average, cordyceps provide 1–2 mg per 100 grams, making them a moderate source of this compound.

Health Benefits of Cordyceps

Despite lower ergothioneine levels, cordyceps are prized for their unique bioactive compounds like cordycepin, which complement the antioxidant properties of ergothioneine.

Supplementing with Cordyceps

Cordyceps-based supplements can be an excellent addition to a health regimen, especially when combined with other ergothioneine-rich mushrooms.

Thermal Stability of Ergothioneine

Ergothioneine is remarkably heat-stable, retaining most of its antioxidant properties even during cooking. Studies show that up to 80–90% of the ergothioneine content remains intact after sautéing, boiling, or roasting mushrooms.

Best Cooking Methods

• Sautéing: Retains up to 90% of ergothioneine
• Boiling: Minimal loss, around 10%
• Grilling: Slightly higher loss, around 15–20%

Raw vs. Cooked Mushrooms

While raw mushrooms have slightly higher ergothioneine levels, cooking improves digestibility and enhances the bioavailability of other nutrients, making cooked mushrooms equally beneficial.

Recommended Daily Intake

While no formal recommendations exist, emerging research supports a daily intake of 5–10 mg of ergothioneine for optimal cellular protection and overall health.

Food-Based vs. Supplement-Based Intake

Achieving this target through diet alone requires eating approximately 150 grams of ergothioneine-rich mushrooms daily. For convenience, supplements can provide a precise dose.

Consultation with Experts

Always consult with a healthcare professional before starting ergothioneine supplements, especially if you have underlying health conditions or are taking medications. KINGSCI's ergothioneine products are rigorously tested for safety and efficacy.

Q:What Are the Best Mushrooms for Ergothioneine?

A:King oyster, maitake, and shiitake mushrooms are among the best sources, with levels ranging from 3–5.4 mg per 100 grams.

Q:Can Ergothioneine Help with Aging?

A:Yes, studies suggest ergothioneine may slow cellular aging and reduce oxidative stress, thanks to its potent antioxidant properties.

Q:Are Mushroom Supplements Safe?

A:Mushroom supplements are generally safe when sourced from reputable manufacturers like KINGSCI. Always follow dosage recommendations.

KINGSCI is a trusted ergothioneine manufacturer with a GMP-certified facility, offering large inventory, OEM support, and fast delivery. Contact us today for free samples!

• Paul, B. D., & Snyder, S. H. (2010). Ergothioneine: Physiological antioxidant and regulator of cell signaling. The Journal of Biological Chemistry.
• Ey, J., Schömig, E., & Taubert, D. (2007). Dietary sources and bioavailability of ergothioneine. Journal of Agricultural and Food Chemistry.
• Dubost, N. J., Ou, B., & Beelman, R. B. (2007). Quantitative analysis of ergothioneine in fresh mushrooms. Journal of Food Composition and Analysis.