what is the normal dose for b12 injections Optimal Vitamin Dosage and Treating Deficiency Vitamin B12 Injections | B12

doi: 10.3389/fendo.2023.1118691 104 LwinSTOlechnowiczSWZFowlerJAEdwardsCM

Signs and symptoms of vitamin B12 deficiency can include fatigue, pale skin, headaches, shortness of breath, fast heartbeat, gastrointestinal issues, mouth inflammation, paresthesias (abnormal sensations), decreased cognitive ability, depression, muscle weakness, imbalance and incoordination, vision problems, and erectile dysfunction

[34] Our gut microbiome plays a role in iron uptake and absorption, so compromised gut function can impair iron levels

Scientific References Vitamin B12 deficiency in over 16s: diagnosis and management (NG239)