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People with Lebers disease or allergies to cobalt or the injections components should not get B12 injections
This includes people with kidney and liver disease, those with diseases related to the blood, and women who are pregnant
This is especially important if you experience symptoms commonly associated with high vitamin B12 levels in the blood, including: 9 Gastrointestinal issues, such as nausea, vomiting, or diarrhea Headaches Tingling sensations in the hands and feet Weakness and fatigue Should I Be Concerned About High Vitamin B12 Levels
The risk: similar to PPIs, they lower stomach acid and reduce absorption, though the effect is typically milder
& Billa, G
This configuration supports receptor-level interaction within adipocytes while minimizing affinity for the growth hormone receptor, distinguishing it from full-length GH and preventing downstream IGF-1 pathway activation
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