Membership by application · United Kingdom · EstablishedEst. 2026
Volume 01 · No. 01
The Inaugural Edition
Spring / Summer 2026
E
.
A Private Longevity Membership

The art of living longer, thoughtfully curated.

A members' collective devoted to the practice of a long, well-lived life, and to the people, clinics, and protocols that make it possible.

Apply for Membership Discover Eterna
From the Founder May 2026
London

On Curation A note on why
we built Eterna

You already know what to do.
You need someone to do it with you.

The longevity world has never had more to offer, and never been harder to navigate alone.

The best hormone specialist is in Marylebone. The right diagnostic imaging is in Mayfair. Your ideal recovery protocol is in Chelsea. Each one researched separately, paid for separately, with no continuity between them and no one watching the through-line of your year.

Eterna is the layer above. A curated collective of the United Kingdom's finest longevity providers, accessible through a single annual membership, guided by an advisor who knows your story. We have done the work of selection. Members receive the benefit of it.

This is the inaugural edition of what we hope will be a long and considered conversation.

Irina Gamagina | The Founder
The Edit

What membership looks like

All Membership Benefits →
i. · The Network

A vetted collective of providers

Every clinic, specialist, and practitioner in our network has been personally selected for clinical credibility, member fit, and an agreed member rate. We say no, frequently, so that members can say yes with confidence.

ii. · The Strategy

An annual longevity plan

Every member begins their year with a personal planning session, a structured conversation that maps your goals to the right providers in the right order. The output is your roadmap for the twelve months ahead.

iii. · The Service

Concierge and House Calls

From at-home IV therapy delivered by a registered nurse to priority bookings across the network, the Eterna concierge handles the logistics. Members spend their attention where it matters: on the outcomes.

A Member's View
Health is the most valuable currency I have. Eterna spends it more wisely than I ever could on my own, and gives me back the time I used to spend researching.
A Founding Member · London
Membership

Three ways to belong

Compare in Detail →

Each tier is structured so that the included credits, House Calls sessions, and member rates exceed the annual fee. Within six months, most members find the membership has paid for itself, and the curation is theirs without cost.

Discovery
For those beginning the journey
£1,500
per annum
  • Full partner directory
  • Standard member rates (10–15% off)
  • £300 in partner credits
  • Member-only House Calls rates
  • Quarterly journal
  • One annual event
Apply
Inner Circle
For those who want it all considered
£20,000
per annum
  • Everything in Core
  • Best concierge rates available
  • £6,000 in partner credits
  • Twelve House Calls sessions
  • Half-day planning, in person
  • Annual retreat included
  • Direct personal line
Apply
The Network

Curated, not comprehensive

View All Categories →

“We work with a small number of providers, selected for their excellence and a quiet commitment to doing things properly. The directory is intentionally finite.”

i.

Longevity Centres

Integrated assessments, biomarker testing, and protocol design under one roof.

ii.

Hormone & Menopause

HRT, testosterone optimisation, and peptide consultation with credentialed specialists.

iii.

Advanced Diagnostics

DEXA, VO₂ max, full-body MRI, comprehensive hormone testing, at member rates.

iv.

Recovery & Performance

Cryotherapy, hyperbaric oxygen, red-light therapy, and precision sauna protocols.

v.

Functional Medicine

Consultations with leading functional medicine doctors and clinical nutritionists.

vi.

House Calls

At-home IV therapy delivered by a registered nurse against a prescribed protocol.

The Journal

Considered reading

Visit the Journal →
On Protocols

The quiet revolution in hormonal medicine

A conversation with our medical advisor on what’s changed in the last decade, and what it means for members at every stage of life.

8 min read · Members only
On the Network

Inside Zem Wellness: a partner profile

The clinic at the centre of Eterna’s longevity network: its philosophy, its team, and what members can expect from their first visit.

12 min read · Members only
On Living Well

An annual longevity review: how to do it

The questions we ask every member at their planning session, and the ones you might ask yourself in advance.

6 min read · Public
Membership · By Application

The Collective is small by design.

If Eterna feels right for you, we would be glad to hear from you. Applications are considered in confidence and answered within five working days.

Begin Your Application