frozenborderline
Senior Member
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Hi guys. 2 days after my last dose of LDN (it was starting to give me intense energy but at the cost of sleep, seemed like a lot of endorphin release, maybe from mu receptor upregulation), I am still having effects, like insomnia that I didn't really have before, and bursts of energy and what seems like some endorphin bursts, but complete with some muscle tension and severe insomnia. My main question is how is it possible that naltrexone could be doing this two days later, with a half life of 4 hours? It seems like either, ULDN can have some effects that are as strong as LDN, and my receptors are still getting tickled by tiny amounts of it, or it flicked some kind of "switch" that has permanent effects.