b12 injection questionaire Closing the loop': re-audit of the diagnosis and management of vitamin deficiency in general practice | Irish Journal of Medical Science (1971 -) Feeling worse after B12 Injection:

0.05 mL delivers the same dose at a higher concentration

Fatigue is one of the first signs of B12 deficiency

Conforms to USP for weight

Additionally, anticoagulants, used to prevent blood clots, can lead to a decrease in platelet activity, potentially impacting their count

Unfortunately, studies on this topic have mainly focused on normalising serum B12 concentrations with oral supplementation and should be interpreted with caution since the specific goal of treatment in symptomatic B12 deficiency is alleviating symptoms, and NOT to normalize B12 concentrations in the blood

This provides valuable insight, especially for the vegan or vegetarian athlete with a genetic tendency to inadequately process or absorb vitamin B12