Vegetarians and pescatarians may also want to supplement with B12, depending on their average intake of animal foods or foods fortified with B12
References Int J Mol Sci (MDPI) Overview of Epitalon: Highly Bioactive Pineal Tetrapeptide with Promising Properties (2025) PMC/Biogerontology Epitalon increases telomere length in human cell lines through telomerase upregulation Neuroendocrinology Letters (PubMed) Synthetic tetrapeptide Epitalon restores neuroendocrine regulation in senescent monkeys Bull Exp Biol Med (PubMed) Geroprotective effect of epithalamine in elderly with accelerated aging (12-year RCT) Alzheimers Drug Discovery Foundation Epithalamin/Epithalon Cognitive Vitality Report (mechanisms, dosing, safety) JPT Peptide Technologies Peptide Stability: How Long Do Peptides Last

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This ensures the best possible results for your unique skin needs
Loren Pickart and others has shown that GHK-Cu modulates the expression of over 4,000 human genes shifting patterns of gene activity toward those observed in younger, healthier tissue
This will depend on your skin type, diet, and exposure to the sun