0Melatonin, a tryptophan metabolite synthesized in the pineal gland, is an essential component of MARNYS® MELATOVIT. It has multiple physiological roles, one of which is the regulation of circadian rhythms, which is crucial in our day-to-day existence. What’s in MARNYS® Melatovit Melatonin, which helps decrease subjective jet lag sensations and reduce sleep onset latency (EFSA). Vitamin B6, which helps the nervous system operate normally, reduces exhaustion and tiredness, and regulates hormone action (EFSA). Magnesium, which supports healthy muscular contraction (EFSA).