L-Ergothioneine · 99.9% pure
The longevity supplement with over 100 years of science behind it.
Daily Care Formula contains L-Ergothioneine — a remarkable molecule backed by hundreds of published biological studies exploring its role in age-sensitive cells and tissues. One capsule, once a day.
One remarkable molecule.
One simple daily ritual.
Contains 30 mg of 100% pure L-Ergothioneine, cultured using a unique bio-synthesis process developed in the USA. We focused on quality and simplicity to create a formulation of the highest standard.
- 30 mg per capsule · 30-day supply
- 100% vegan & non-GMO
- No unnecessary additives
30 mg per capsule · 30-day supply · Vegan · Non-GMO
A molecule your body can't make on its own
EGT is considered a vitamin-like amino acid — you must consume it directly. Trace amounts are found in foods such as certain mushrooms.
Three ways EGT supports healthy ageing
- Anti-ageing in cells — helps delay the onset of cellular senescence by supporting DNA repair.
- Skin protection — a stable antioxidant that neutralises free radicals from UV exposure.
- Neuroprotection — crosses the blood-brain barrier via a dedicated transporter.
Led by science, guided by clinicians
Our founders are academics and clinicians who want to share longevity science in an accessible, responsible way.
Dr. Megha Srinivasa
Prepares clear, accessible videos and articles summarising the research we find most exciting — so you don't have to decode the papers yourself.
Dr. Barrow
From improving cancer care for children to scientific innovation with the potential to benefit millions — Éternelle continues that mission.
Quality Above All
Every ingredient, every test, every statement is grounded in credible research and rigorous quality control. Simple. Responsible. Exceptional.
Loved by those who care about longevity
"Simple, clean, and backed by real science. One capsule in the morning and I'm done — exactly what I was looking for in a longevity supplement."
✓ Verified buyer
"Finally a brand that explains the research without exaggeration. The purity and the transparent 30 mg dosing give me real confidence."
✓ Verified buyer
"Beautifully simple formulation — no fillers, no noise. The subscribe & save option makes it effortless to stay consistent."
✓ Verified buyer
Your questions, answered
L-Ergothioneine is a naturally occurring amino acid with vitamin-like properties. Your body cannot produce it, so it must be consumed. It is found in trace amounts in certain mushrooms and is being actively studied for its roles in healthy ageing and cellular protection.
Each capsule contains 30 mg of 100% pure, pharmaceutical-grade L-Ergothioneine (99.9% purity). The recommended serving is one capsule per day.
Yes. Daily Care Formula is 100% vegan and non-GMO, with no unnecessary additives — only thoughtful design informed by what the science truly supports.
Choose "Subscribe & Save" to save 5% and receive a fresh supply every 30 days. You can pause or cancel your subscription at any time from your account.
We currently ship within the United Kingdom, with complimentary standard delivery on orders over £30. For overseas inquiries, contact support@eternelleegt.com.