In the UK, hydroxocobalamin is the preferred formulation, typically maintaining therapeutic levels for 8 to 12 weeks
For example, older people (because absorption declines with age) and those with gut-related conditions such as celiac disease and Crohns disease may struggle to absorb enough vitamin B12 to stave off symptoms of a deficiency, says Foxx
Why Its a Preferred Site for Self-Injection The outer thigh is a popular choice for self-injection because its both large and easy to reach
For people without a deficiency, the evidence for additional benefit from injections is much weaker
and carnitine palmitoyltransferase 2 regenerates fatty acyl-CoA in the matrix
In rare cases, however, taking large amounts may cause symptoms like headaches and nausea