In summary, despite many studies indicating the oral administration of vitamin B12 to be easy, effective and less costly than intramuscular administration, their designs, and in some cases their methodological limitations, mean that debate still surrounds the effectiveness of the oral route
A 13% decline in B12 levels does not automatically mean deficiency
If you are curious about the dosage differences between the two , or wondering about conversion charts for switching, those are separate but related considerations
Both are effective, but it is essential to provide your healthcare provider with your full medical history
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When mitochondria are damaged, they produce less energy and more waste