Friday, October 30, 2026 · Edition updated 6:00 AM ETFRI, OCT 30 · 6 AM ET editionNext edition in Next --:--:--
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Feel young

Each treatment is placed by how far testing in people has gone. A stage shows what has been studied, not whether it works. The counts behind every stage come from PubMed and ClinicalTrials.gov.

AllStay youngLook youngFeel young
3Stage 3 · Large studies in people

Testosterone therapy

Prescription · 151 human trials · 154 observational · 91 lab and animal

Menopause hormone therapy

Prescription · 1,437 human trials · 2,889 observational · 318 lab and animal

2Stage 2 · Small studies in people

NAD+ boosters

Small human trials show NAD+ rises in the blood. Effects on aging are not yet known.

Over-the-counter supplements · 18 human trials · 5 observational · 181 lab and animal

BPC-157 peptide

Studied almost only in animals.

Not approved for use in people · 0 human trials · 1 observational · 202 lab and animal

NAD+ IV and injections

Clinics and IV wellness centers · 2 human trials · 1 observational · 67 lab and animal

CoQ10 (coenzyme Q10)

Over-the-counter supplement · 23 human trials · 12 observational · 237 lab and animal

Hyperbaric oxygen therapy

Hospitals and private clinics · 6 human trials · 6 observational · 48 lab and animal

Elamipretide (SS-31)

Prescription, approved only for Barth syndrome · 7 human trials · 10 observational · 24 lab and animal

Sermorelin

Prescription, made by compounding pharmacies · 12 human trials · 0 observational · 3 lab and animal

CJC-1295

Not approved; marketed online · 0 human trials · 0 observational · 0 lab and animal

Ipamorelin

Not approved; marketed online · 0 human trials · 0 observational · 0 lab and animal

1Stage 1 · Tested in animals only

TB-500 (thymosin beta-4 fragment)

Not approved; sold online without a prescription · 4 human trials · 16 observational · 11 lab and animal

Stages come from published studies and trial registries. They show how far research has got, not how well something works. Companies cannot pay to change them. How stages and counts work.