Assay interference, sample handling and taking a supplement shortly before the blood draw can all distort a reading, and different laboratories use different methods and reference ranges
Some factors make you more likely to have a vitamin B12 deficiency, such as aging, surgery to remove part of the stomach, Crohn's disease, celiac disease, and a vegan diet
Pentadecapeptide BPC 157 Enhances the Growth Hormone Receptor Expression in Tendon Fibroblasts, Chang CH, Tsai WC, Hsu YH, Pang JH, Molecules, 2014 Nov 19;19(11):1906619077
Indirect calorimetry: from bench to bedside
In rare cases, the injections may cause allergic reactions
According to a study (13), the benefits of B12 shots may be due to increased functionality of reproductive organs and reduced oxidative damage to sperm