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Low B12 levels can cause fatigue, weakness, shortness of breath, headaches, digestive changes, and other symptoms
IGF-1 stands for Insulin-like Growth Factor-1 and is a hormone that our body produces naturally
Patients with severe deficiency may need more frequent injections initially, while those using B12 for wellness optimization may maintain results with monthly treatments
Measuring holotranscobalamin levels may offer a more accurate assessment of functional B12 status compared to total serum B12 levels
Impaired heme production, leading to blood cells with less oxygen-carrying hemoglobin and, over time, microcytic anemia
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