b12 injections for crohn's disease Vitamin deficiency and IBD Vitamin B12 and Crohn's: Possible

When B12 drops, mental energy often goes with it concentration suffers, reaction time slows, motivation dips, and you may notice a persistent brain fog that doesn't respond to more sleep or better nutrition

Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295, a long-acting analog of GH-releasing hormone, in healthy adults

So, while there are problems there are also solutions

AOD-9604, sometimes called the fat-burning peptide, showed limited promise in animal studies but has failed to demonstrate consistent results in people, leading the FDA to explicitly state it is not an approved treatment (FDA on unapproved drugs)