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B12 is generally considered safe in all life stages even at high doses and there are no known interactions with any medications, but some drugs can increase the risk of B12 deficiency, including acid-lowering drugs and metformin
But again, thats not typical
Who Shows Better, Quick Results Both oral vitamin supplements and injections can improve symptoms like fatigue, poor memory, and weight loss
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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
