l carnitine gives me diarrhea can cause l-Carnitine Supplementation in Recovery after Exercise Congenital Disorders of Glycosylation, CDG – Accurate picture of how fast

These data reveal opposing effects of the forward (BMAL1-mediated) and reverse (CRY-mediated) limbs of the intrinsic clock on CI respiration, independent of nutrient availability

References Every figure, sourced

This is likely due to the respective reliance on aerobic metabolism and high density of mitochondria in the intrinsic functioning cells from these organs

CJC-1295 and Somatotroph Biology The GHRH-receptor signalling pathway activated by CJC-1295 stimulates adenylate cyclase, increasing intracellular cAMP and engaging PKA-linked transcriptional regulation of the GH gene in somatotroph cells with in vivo research confirming increased pituitary RNA, GH mRNA, and somatotroph cell number following administration, establishing that GHRH-class secretagogues act on multiple levels of GH axis biology beyond simple acute secretion

They don't typically cause the same kind of facial purging because they're not being applied directly to congested facial skin

Vethachalam S, Persaud Y