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Symptoms of B12 deficiency may include Megaloblastic anemia (large red blood cells with abnormal nuclei) Fatigue Paleness Heart palpitations Dementia Weight loss Infertility Numbness and tingling in hands and feet Depression, mania, delirium, psychosis Poor pregnancy and breastfeeding outcomes (neural tube defects, developmental delays, failure to thrive, anemia in offspring) Low red and white blood cell counts or platelets Glossitis of the tongue Erectile dysfunction or bowel/urinary incontinence Recommended Daily Intake for B12 Recommended Dietary Allowance (RDA) Daily B12 requirements depend on age, sex, and dietary intake (5) Assessing B12 Status Typically serum B12 levels are used to determine vitamin B12 deficiency (keep in mind normal value ranges may vary slightly depending on the laboratory)
A: While generally considered safe, some people may experience mild side effects such as injection site soreness or temporary digestive upset
The vial stays within its 28-day window if you continue at 5 mg/week immediately after
Under proper storage conditions, the solution remains stable throughout its labeled shelf life
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