Best Peptides for Longevity & Anti-Aging
Telomerase activators, mitochondrial peptides, and cellular health compounds studied for aging
Longevity peptides target the fundamental mechanisms of aging — telomere shortening, mitochondrial dysfunction, cellular senescence, and oxidative stress. This is a rapidly evolving research area with compounds ranging from the well-studied (Epitalon) to cutting-edge mitochondria-targeted peptides (SS-31, MOTS-c).
The evidence varies considerably. Epitalon has decades of Russian research behind it, while mitochondrial-derived peptides like MOTS-c and Humanin are relatively new discoveries with mostly preclinical data. We present what the science actually shows for each compound.
Longevity & Anti-Aging Peptides (6)
NAD+
NAD+ (nicotinamide adenine dinucleotide) is a critical molecule found in every living cell. It is essential for mitochondrial energy production, DNA repair, and cellular metabolism. NAD+ levels naturally decline with age, and supplementation is being studied for anti-aging and metabolic health benefits.
Epitalon (Epithalon)
Epitalon is a synthetic four-amino-acid peptide studied primarily in Russia. Research focuses on activating telomerase (an enzyme that maintains chromosome caps), supporting pineal gland function, and potential anti-aging effects.
MOTS-c
MOTS-c is a 16-amino-acid peptide produced by mitochondria (the energy centers of cells), encoded in mitochondrial DNA. It was the first mitochondrial peptide to enter clinical trials. Research focuses on metabolic health, exercise performance, and longevity, with natural levels declining with age.
SS-31 (Elamipretide)
SS-31 (Elamipretide) is a four-amino-acid peptide that targets and concentrates in the inner membrane of mitochondria (the energy centers of cells). It is being developed for mitochondrial diseases, heart failure, and age-related conditions.
Humanin
Humanin is a 24-amino-acid peptide produced by mitochondria (the energy centers of cells), encoded in mitochondrial DNA. It was discovered for its ability to protect brain cells from amyloid-beta toxicity, a hallmark of Alzheimer's disease. Research explores its roles in brain protection, metabolic regulation, and cellular stress resistance.
FOXO4-DRI
FOXO4-DRI is a 43-amino-acid synthetic peptide that selectively eliminates senescent cells, the aged and damaged cells that accumulate in the body over time. All evidence comes from cell culture and animal studies. No human clinical trials have been conducted.
Frequently Asked Questions
What peptide activates telomerase?
Epitalon (Epithalon) is the most studied peptide for telomerase activation. Research by Dr. Vladimir Khavinson showed it can activate telomerase in human somatic cells and extend telomere length. It was developed from the pineal gland extract Epithalamin.
What are mitochondrial-derived peptides?
Mitochondrial-derived peptides (MDPs) like MOTS-c and Humanin are encoded within mitochondrial DNA and play roles in metabolic regulation, stress response, and cellular protection. They represent a relatively new class of signaling molecules with implications for aging and metabolic disease.
Can peptides reverse aging?
No peptide has been proven to reverse aging in humans. However, preclinical research on compounds like Epitalon (telomerase activation), SS-31 (mitochondrial protection), and MOTS-c (metabolic regulation) shows effects on aging-related biomarkers. Human clinical trials are needed to establish any anti-aging claims.