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Adults require approximately 1.5 micrograms daily, but those at risk (vegans, older adults, or those with absorption problems) should take regular supplements or consume fortified foods to maintain optimal levels
Generalized pain, particularly leg pain, after B12 injection is common since its typically given in that location
With oral vitamins it can take days or weeks of daily dosing to build up the same effect
Redness, swelling, itching, or bruising at the injection site typically resolve within a few hours to a day
Nitric oxide plays complex roles in cancer biology
May reduce brain fog and improve memory Supports resilience to stress Potentially protective in neurodegenerative conditions 4
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