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powder melatonin,powder melatonin,melatonin powder manufacturers

powder melatonin, is one of the hormones secreted by the pineal gland of the brain. Melatonin belongs to indole heterocyclic compounds, its chemical name is N-acetyl-5-methoxytryptamine, also known as pineal hormone, melatonin, melatonin. After melatonin is synthesized, it is stored in the pineal body, and sympathetic nerve excitation innervates the pineal cells to release melatonin. The secretion of melatonin has a distinct circadian rhythm, with suppressed secretion during the day and active secretion at night. Melatonin can inhibit the hypothalamic-pituitary-gonadal axis, reduce the levels of gonadotropin-releasing hormone, gonadotropin, luteinizing hormone and follicular estrogen, and can directly act on the gonads, reducing androgens, estrogens and estrogens. Progesterone content