B12 deficiency causes
B12 deficiency causes
What Do You Crave When B12 Is Low?No single craving reliably signals low vitamin B12. Appetite changes like wanting meat, eggs, or sugary snacks are general signals, not a specific B12 deficiency marker. Instead, recognize the more common signs: fatigue, tingling in hands or feet, brain fog, and a sore tongue. If you suspect low B12, rely on lab tests rather than cravings to guide your next steps.Key Symptoms, Causes, and TestingB12 deficiency can affect blood cells and nerves, causing fatigue, numbness, balance issues, memory lapses, and anemia. Major causes include low dietary intake (especially on vegan or vegetarian diets), reduced stomach acid or intrinsic factor, gastrointestinal conditions, and medications like metformin or long-term acid suppressors. A doctor can confirm deficiency with blood tests like serum B12, MMA, and homocysteine, which add clarity beyond symptoms alone.How to Support Healthy B12 LevelsOnce deficiency is identified, supplements can bridge the gap. Oral tablets, sublingual forms, or injections—guided by a healthcare professional—help restore levels, especially when absorption from food is limited. Along with diet adjustments, regular monitoring ensures the right dose and form for your unique needs. Early attention to neurological symptoms is important because nerve repair takes time.