This is interesting!Some science does say that BUT that falls under lipolysis (fat reduction) if true.
The real magic of GH seems in my experiences to be its effects on inhibiting lipogenesis (fat formation). Unfortunately you need a degree in biochemistry to understand the significance of the mechanisms involved in how HGH does that, but the study below suggests a mechanism of how it achieves this:
Effects of exogenous growth hormone on lipid metabolism in the isolated epididymal fat pad of the growth hormone-deficient little mouse
F M Ng 1, N A Adamafio, J E Graystone
Affiliations expand
- PMID: 1969738
- DOI: 10.1677/jme.0.0040043
Abstract
The effects of two preparations of highly purified human GH (hGH) on lipid metabolism were studied in the GH-deficient little mouse (50-60 days old). Marked decreases in incorporation of [14C]glucose into fatty acid and in the activity of acetyl-CoA carboxylase in the epididymal fat pads were observed after i.p. injection of hGH at a dose of 1.0 microgram/g body weight or after continuous infusion of hGH by osmotic minipump. The rate of glucose incorporation into fatty acid decreased from 107.0 +/- 27.6 (S.E.M.) to 38.1 +/- 19.6 mumol/g tissue per h after a single injection of hGH and from 174.1 +/- 28.5 to 56.3 +/- 20.3 mumol/g tissue per h after continuous infusion of hGH for 2 days. Activity of the lipogenic enzyme acetyl-CoA carboxylase was also reduced by more than 50% in the epididymal fat pad from hGH-treated mice in comparison with the corresponding control animals. Incubation of isolated fat pads with hGH (0.1 microgram/ml) revealed similar inhibitory effects of the hormone on fatty acid synthesis and acetyl-CoA carboxylase activity. No lipolytic effect of hGH was found as determined by the rate of glycerol release from epididymal fat pads of little mice following hormone treatment in vivo or in vitro. The results lend strong support to the conclusion that GH inhibits lipogenesis but has no effect on lipolysis in adipose tissues, and indicate that the physiological role of GH in lipid metabolism is concerned mainly with the regulation of anabolic rather than catabolic processes.
So in the above study GH inhibits lipogenesis by reducing the levels of some enzyme that, apparently, is involved in the process of fat formation. Interestingly the above study also notes no benefit from GH on actual lipolysis (they observed no effect on increasing fat burning) rather the primary benefit seemed to be on preventing fat storage to begin with. This studies results parallel my own observations personally using GH.
My question becomes, if GH inhibits this enzyme from synthesizing fat tissue during a caloric surplus what is the fate of all those excess calories that otherwise would have gone towards fat storage? Does it mean they instead end up going towards additional muscle growth provided the stimulus for muscle growth is present? Is this what bros mean when they talk about enhanced nutrient partitioning?
Or maybe it ends up as additional glycogen stored in muscles. We all know that GH can cause water retention