It is well established that fasting increases the level of growth hormone, quite significantly too. It's the leptin trigger. Just google effect of fasting on gr

It is well established that fasting increases the level of growth hormone, quite significantly too. It's the leptin trigger. Just google effect of fasting on growth hormone. I think the OP is talking about Steen Ekberg the keto youtuber. His stuff is legit and well sourced, but unfortunately marketed to look like facebook meme videos.