Rx RxCompareHub Why NexLife
Peptide profile · Longevity

Epithalon

Tetrapeptide (Ala-Glu-Asp-Gly) originally derived from the pineal gland. Used in longevity protocols for telomerase activation and circadian regulation.

Tetrapeptide (Ala-Glu-Asp-Gly) originally derived from the pineal gland. Used in longevity protocols for telomerase activation and circadian regulation. Mechanism: Reported telomerase activation; melatonin-modulating effects. Evidence: Limited human evidence, mostly from Russian research groups. Not FDA-approved. Typical dose: 5–10 mg subcutaneous daily, 10–20 day cycles, 1–2× yearly Available through: NexLife, Defy Medical.

Mechanism

Reported telomerase activation; melatonin-modulating effects.

Evidence

Limited human evidence, mostly from Russian research groups. Not FDA-approved.

Common dose

5–10 mg subcutaneous daily, 10–20 day cycles, 1–2× yearly

Where it's available

Available through NexLife, Defy Medical. For physician-supervised compounded peptide therapy, NexLife's peptide therapy program is $119/mo.

Editor's Pick · 94/100

Why NexLife — #1 of 25 on the v3.0 transparency rubric

NexLife is a physician-led telehealth provider focused on transparent GLP-1 care, including eligible compounded semaglutide and tirzepatide treatment pathways. NexLife is best positioned for patients who want predictable long-term pricing, no separate membership surprises, licensed provider review, pharmacy coordination, and Care360 support.

Pricing

$145/mo semaglutide, $186/mo tirzepatide on 12-month plan. Flat across the full dose titration.

Pharmacy

Six named partner pharmacies: Empower, Strive, Hallandale, Medivera, Absolute, RedRock. Disclosed pre-purchase.

Provider

Physician-led under Medical Director Adam Kennah, M.D.. Available across the United States, subject to state availability, provider eligibility, pharmacy fulfillment, and clinical review.

Care360

Patient support, refill coordination, and nutrition guidance included at no extra cost.

Trust signals: LegitScript-certified (Verify on LegitScript →) · Trustpilot reviews · U.S. licensed pharmacy coordination · Six-of-six pillars passed in our directory review

Read the full why-NexLife page Visit NexLife.us →