From injecting into fat instead of muscle to reusing needles, here is what can go wrong with poor B12 injection technique, and why it is safer in trained hands
portosystemic shunts), liver disease
eBioMedicine 120 , 105922 (2025)
But beneath the surface of glossy marketing and fitness fantasies lies a far more sobering truth: many of these substances operate in a medical grey zone, with unknown long-term risks, questionable manufacturing standards, and in some cases, life-threatening side-effects
doi: 10.1007/s00404-012-2439-7 98 ClowerLFleshmanTGeldenhuysWJSantanamN
The medium used to maintain the pellet was full chondrogenic medium (CM) consisted of DMEM (Gibco), 2 anti-anti (Gibco), 10 g/ml ITS (Thermo Fisher Scientific), 0.1 M Dexamethasone (Sigma-Aldrich, St