10.1093/ajcn/nqab193
Common signs include: Ongoing fatigue or weakness Pale skin Numbness or tingling in the hands and feet Brain fog, forgetfulness, or trouble concentrating Low mood, anxiety, or irritability Poor appetite or digestive upset When B12 is low, your metabolism slows, you have less energy for activity, and appetite signals can get thrown off, all of which make weight loss harder
Some patients visit weekly or monthly, while others only need periodic check-ins
It is important to keep in mind that noting that even though you may feel that you can administer the dosages for your deficiency levels, you need to be careful
Regular monitoring for signs and symptoms of adverse reactions is essential
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