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9 FIGURE 1

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Boost Your Weight Loss Journey with Vitamin B12 at Regency Medical Spa in Barrington, IL Boost your weight loss journey with Vitamin B12 at Regency Medical Spa in Barrington, IL

For topical cosmetic use only

MELATONIN SYNTHESIS AND METABOLISM Melatonin Synthesis Melatonin (N-acetyl-5-methoxytryptamine) is synthesized within the pinealocytes from tryptophan, mostly occurring during the dark phase of the day, when there is a major increase in the activity of serotonin-N-acetyltransferase (arylalkylamine N-acetyltransferase, AA-NAT), responsible for the transformation of 5-hydroxytryptamine (5HT, serotonin) to N-acetylserotonin (NAS) (Figure 1)