This is Dr. David
one is not better than the other.
vegetarian or planted based melatonin tends to be more expensive than synthetic
one has not been proven to be better than the other.
you can use the synthetic melatonin fine.
remember, higher doses aren't necessarily better
you don't need much melatonin to help you sleep better
this is a good article about melatonin
if you are not sleeping well, you should talk to your doctor about it
you may benefit from a full sleep evaluation by a sleep doctor to help you sleep better.
sleep is a very complex phenomenon and needs a full evaluation to help you sleep better.
let me know if you have other questions.
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