can b12 injections cause heart problems Vitamin shots boost your energy levels, help prevent fatigue, aid in weight loss, and lower the risk of disease and other serious health issues. Additionally, Vitamin B12 is essential Too Much B12 Symptoms: Overdose

Extrapolating this to a 70kg human using the standard FDA allometric scaling factor (dividing by 6.2) suggests a human-equivalent dose of approximately 8mg/kg, or 560mg daily

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Have a look at the list below and see if any of it sounds familiar: Have had a blood test confirming low B12 levels Have a condition like pernicious anaemia that affects B12 absorption Follow a vegan or plant-based diet without consistent supplementation Have tried oral B12 but still feel symptoms havent shifted Are experiencing persistent fatigue, leg weakness, or neurological symptoms If any of these apply to you, b12 injections for tiredness and weakness could be exactly what your body needs right now