Anti-Aging
Not Approved
Tetrapeptide

Epithalon

Ala-Glu-Asp-Gly

Epithalon, a synthetic tetrapeptide composed of Alanine-Glutamic acid-Aspartic acid-Glycine, has emerged as one of the most researched anti-aging compounds in the peptide therapy field. Originally developed by Russian scientist Professor Vladimir Khavinson, this bioregulatory peptide is designed to mimic epithalamin, a natural compound found in the pineal gland. Epithalon's primary mechanism involves activating telomerase, the enzyme responsible for maintaining telomere length and cellular longevity, while also modulating melatonin production and circadian rhythms. As interest in longevity enhancement and cellular anti-aging strategies continues to grow, Epithalon has gained significant attention among researchers, biohackers, and individuals seeking to optimize their healthspan. While promising research suggests potential benefits for sleep quality, cellular regeneration, and overall aging processes, it's important to understand that Epithalon remains an unregulated research compound with limited human clinical data, requiring careful consideration and professional guidance for those interested in its applications.

Reviewed by PeptideGuide Research TeamLast updated February 15, 2026

Medical Disclaimer

This content is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before using any peptide.Read full disclaimer

Molecular structure diagram of Epithalon showing the tetrapeptide sequence Ala-Glu-Asp-Gly
Dosage
5-10 mg per day
Half-life
N/A
Route
Subcutaneous Injection
Cycle
10-20 days
Safety
Research Only

Mechanism of Action

Epithalon (Ala-Glu-Asp-Gly) operates through multiple interconnected pathways that target fundamental aging mechanisms at the cellular level. The peptide's primary mechanism involves the upregulation of telomerase activity, a critical enzyme responsible for maintaining telomere length. Telomeres are protective DNA-protein structures at chromosome ends that naturally shorten with each cell division, serving as a cellular aging clock. By activating telomerase, Epithalon helps preserve telomere length, potentially extending cellular lifespan and maintaining genomic stability. Additionally, Epithalon influences the pineal gland's function, modulating melatonin production and secretion patterns. This neuroendocrine regulation affects circadian rhythms, sleep quality, and various hormonal cascades associated with aging. The peptide also demonstrates antioxidant properties, helping to neutralize reactive oxygen species that contribute to cellular damage and accelerated aging. Research suggests Epithalon may influence gene expression patterns related to longevity, potentially activating protective cellular pathways while downregulating pro-aging mechanisms. The compound appears to enhance DNA repair mechanisms and cellular stress resistance, contributing to improved cellular maintenance and function. These combined effects create a multi-faceted approach to addressing age-related cellular decline, though the exact molecular pathways and their relative contributions continue to be investigated in ongoing research studies.

Potential Benefits

Epithalon's potential benefits center around its ability to address fundamental aging processes at the cellular level, making it particularly attractive for longevity-focused applications. The peptide's telomerase activation may help maintain cellular regenerative capacity, potentially supporting tissue repair and organ function as individuals age. Users often report improvements in sleep quality and circadian rhythm regulation, likely due to Epithalon's influence on melatonin production. This enhanced sleep architecture can cascade into improved cognitive function, mood stability, and overall energy levels. The peptide's antioxidant properties may contribute to reduced oxidative stress, potentially supporting cardiovascular health, immune function, and skin appearance. Beyond these direct effects, Epithalon may offer systemic anti-aging benefits through its influence on various physiological processes. Some research suggests potential improvements in metabolic function, hormone balance, and stress resilience. The peptide's ability to support DNA repair mechanisms could theoretically reduce age-related genetic damage accumulation. However, it's crucial to understand that while these benefits show promise in research settings, human clinical data remains limited. Most evidence comes from animal studies and small-scale human trials, making it important to approach Epithalon with realistic expectations and proper medical guidance.

Common Use Cases

Anti-aging
Longevity enhancement
Anti-aging therapies
Sleep regulation

Dosage & Administration

Epithalon dosing approaches vary considerably due to the absence of standardized medical protocols, requiring careful consideration of individual factors and research-based guidelines. The most commonly referenced protocol involves subcutaneous injection of 5-10mg daily for 10-20 consecutive days, typically administered in the evening to align with natural circadian rhythms. This is followed by a rest period of 3-6 months before repeating the cycle. Some researchers and users prefer lower daily doses of 1-5mg over extended periods, while others opt for higher doses of up to 20mg for shorter durations. The peptide is typically reconstituted with bacteriostatic water and stored refrigerated, with each vial usually containing 10mg of lyophilized powder. Injection technique is crucial, using insulin syringes for subcutaneous administration in areas with adequate subcutaneous fat such as the abdomen or thigh. Cycling is considered important to prevent potential receptor desensitization and maintain effectiveness. Factors influencing dosage selection include age, health status, previous peptide experience, and specific goals. Beginners are often advised to start with lower doses (1-5mg) to assess tolerance before progressing to higher amounts. It's essential to source high-quality, third-party tested products and maintain sterile injection practices. Consultation with healthcare providers experienced in peptide therapy is strongly recommended to develop appropriate individualized protocols.

Safety Information

Common Side Effects

Nausea
Headache

Contraindications

Pregnancy
Breastfeeding

Long-Term Safety

Long-term safety data is limited, but no severe adverse effects have been reported in research settings.

Research & Clinical Evidence

Epithalon research primarily stems from the work of Professor Vladimir Khavinson and the St. Petersburg Institute of Bioregulation and Gerontology, with most studies conducted in Russia over several decades. Animal studies have demonstrated promising results, including extended lifespan in mice and improved markers of aging. A notable study published in the Bulletin of Experimental Biology and Medicine showed that Epithalon treatment increased the lifespan of mice by 12-15%. Research in elderly patients has shown improvements in melatonin production, circadian rhythm regulation, and various biomarkers associated with aging. One clinical study involving 266 elderly patients demonstrated improvements in cardiovascular function and reduced mortality rates over a 12-year follow-up period. However, many of these studies have limitations including small sample sizes, lack of placebo controls, and limited peer review in international journals. Telomerase activation has been demonstrated in vitro, though the clinical significance of this effect requires further investigation. Recent research has explored Epithalon's potential neuroprotective effects and its influence on gene expression patterns related to longevity. While the existing research shows promise, the scientific community generally agrees that larger, randomized controlled trials are needed to establish Epithalon's efficacy and safety profile definitively.

Frequently Asked Questions

Related Peptides

Synergistic With

Categories

Anti-Aging
Longevity
Telomere Support