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    "tldr": "Epitalon is a synthetic pineal-derived tetrapeptide of the Khavinson bioregulator family, studied in longevity research. Not FDA-approved; reconstitution notes.",
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            "q": "What is Epitalon and what is its amino acid sequence?",
            "a": "Epitalon (also Epithalon) is a synthetic tetrapeptide with the sequence Ala-Glu-Asp-Gly (AEDG) and a molecular weight of ~390 g/mol, designed to mimic epithalamin, a longer protein derived from the pineal gland."
        },
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            "q": "Is Epitalon FDA-approved, and what is its regulatory status as of 2026?",
            "a": "No. Epitalon has no FDA-approved use, is classified as a research chemical not for human consumption, and as of 2026 was removed from the FDA 503A compounding category and placed under formal advisory review."
        },
        {
            "q": "What is Epitalon studied for in laboratory and animal research?",
            "a": "It is studied in cell and animal models for telomerase activation, telomere elongation, melatonin regulation, antioxidant activity, and lifespan endpoints. No controlled human clinical trial has confirmed these effects."
        }
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