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PubMed, Magalhes, Elza, et al

Common signs and symptoms include the following: Cognitive issues, especially those that deal with memory Extreme fatigue Depression Frequent headaches Problems with maintaining balance Changes in vision Megaloblastic anemia Heart palpitations Pale skin Weight loss Infertility Numbness and tingling in the hands and feet A sore tongue Low appetite Constipation Vitamin B12 Deficiency Risk Factors You have a higher risk of developing vitamin B12 deficiency if you have specific health problems

Frequency depends on your goals and health needs

Understanding how fast you can lose weight on semaglutide requires looking at these trial timelines carefully, because the weight loss curve is not linear

If your healthcare provider detects low B12 levels, theyll tell you how you can expect to see symptoms persist after youve begun their treatment protocol

Some people start with a more frequent schedule, then move to a maintenance visit once their levels are steady