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Physical Symptoms Individuals with vitamin B12 deficiency may experience weakness, tiredness, lightheadedness, heart palpitations, shortness of breath, pallor of the skin, numbness or tingling in the hands and feet, vision problems, and a smooth tongue
NIH Office of Dietary Supplements
Every batch is independently tested by an accredited third-party laboratory
Tell your doctor about all your current medicines and any medicine you start or stop using
Avoid B12 unless tested and cleared The risk of clot formation increases 4
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