Many people will also experience cognitive difficulties such as problems with vision, memory, thinking, or reasoning, the development of mental illnesses such as depression, or general changes in behavior
For context on SAMe and related evidence limits, see the NIH NCCIH resource S-Adenosyl-L-Methionine (SAMe): In Depth
minor injection site reactions usually resolve within days Sharps containers must be used for needle disposal and returned via GP practices, pharmacies, or local authority collection schemes Patients with neurological symptoms may require alternate-day injections initially before transitioning to maintenance dosing schedules Table of Contents What Are B12 Injections and Who Needs Them
Vitamin B12 Deficiency Symptoms | Signs & NHS Treatment Vitamin B12 deficiency symptoms can be subtle yet far-reaching, affecting the blood, nervous system, and overall wellbeing
For more information regarding homocysteine and CVD, see the article on folate