Healthy aging & prevention

A cheap, decades-old diabetes pill that some people ask about for weight and healthy aging.

A coenzyme every cell uses for energy; offered as IV drips and injections at longevity clinics.

An NAD+ precursor sold as a supplement. FDA confirmed in 2025 that it can be a supplement again.

A four-amino-acid peptide marketed for aging and sleep. Limited research, not an approved drug.

A peptide encoded by mitochondria, studied in mice for metabolism. Human data are minimal.

A transplant drug some clinicians prescribe off-label for longevity. Human aging data are early.

Fish and algae oils (EPA and DHA) taken for heart and brain health.

A peptide that prompts your pituitary to release growth hormone. Available compounded.

A long-acting growth-hormone-releasing peptide sold online, often with ipamorelin. Not approved.

An essential vitamin for bones and muscles; worth testing before you supplement.

An FDA-approved medicine for Barth syndrome also sold online as unapproved SS-31.

An immune-signaling peptide approved in some countries but not FDA-approved in the US.

A long-acting laboratory analog of IGF-1 with no FDA-approved human use.

An essential vitamin for nerves and red blood cells; low levels are common in older adults and metformin users.

A mineral supplement for iron deficiency, best taken after a ferritin or blood test confirms a need.