I began taking melatonin a few days ago after months of insomnia. (I am 73 years old.) The melatonin is terrific. I sleep well and wake up rested. Question: 1. Are there any negative long-term effects; 2. for how long a period of time can I take melatonin?
User: Fred
if melatonin is good there are no contraindications, I take Key Melatonin for 15 years and I can be a good witness of the positive effects of melatonin without contraindications

User: KeyMelatonin.com

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