Epithalon Injectable Starts at $199 Epithalon Peptide Therapy Promote Longevity & Healthy Aging Epithalon is a #peptide taken for 20 days, two times a year to improve the # sleep cycle. Our RN, Kathy, swears by it. She says it's the best normal sleep she's had Epitalon: Correlation in DNA Telomeres & Sleep Biotech Peptides Epithalon is often misunderstood as a sleep peptide., Its really a circadian rhythm peptide., , Before using it, my restorative sleep averaged 48%., Within 3 days, it increased to 60%., , That