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This is important for severe anemia or neurological problems
Intramuscular injection has proven to be the most effective method for those with vitamin B12 deficiencies or choosing to boost their levels for other reasons, second only to intravenous which is most often administered under emergency situations
B12 is water-soluble and any excess is excreted in urine there is no established upper tolerable intake level for B12 and toxicity from injection at standard doses has not been reported
Only obtain peptides from licensed compounding pharmacies or reputable labs to minimize contamination and safety risks
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