Overview
Natural ergothioneine from oyster mushrooms.
- Dietary protein from animal sources (meat, fish, eggs, dairy) and plant sources (soy, legumes, grains)
- Free-form amino acid powders and capsules
- Targeted pre-workout, recovery, or sleep formulations
- Free-form crystalline powder
- Capsules or tablets
- Pre-mixed recovery or hydration beverages
- Time-release formulations
Mechanism of action
Same as synthetic; OCTN1 substrate.
- · Same as synthetic
- · OCTN1 substrate
Effects on the body
Organ system effects
Ergothioneine (Mushroom-Derived) acts on hallmarks of aging including oxidative stress, mitochondrial dysfunction, and senescence signaling.
Evidence-based benefits
Antioxidant
Moderate evidencePotential side effects
- · Well tolerated
Drug interactions
Supplement interactions
- NAD+ precursor (NMN or NR)Complementary mitochondrial and sirtuin support.
- Omega-3Lowers inflammation and supports membrane integrity.
- Omega-3 (EPA/DHA)Membrane fluidity and neuronal signaling support.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Scientific evidence8Show studiesHide studies
Ergothioneine and cognitive decline
Cheah IK, et al.
Elderly Asian adults
Low ergothioneine linked to MCI.
PubMed: Ergothioneine (Mushroom-Derived) — Antioxidant
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Google Scholar: Ergothioneine (Mushroom-Derived) — clinical evidence
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