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I have to mention fortified breakfast cereals: we dont recommend these because they are processed and usually contain sugar- and Bioavailability means the amount of the vitamin in your blood that is active and can be used to maintain nerve health and other functions
. Doctors may not be prescribing oral vitamin B12 formulations because they may be unaware of this option or have concerns regarding its effectiveness Objectives: To assess the effects of oral vitamin B 12 versus intramuscular vitamin B 12 for vitamin B 12 deficiency. Selection criteria: Randomized controlled trials (RCTs) comparing the effect of oral versus IM vitamin B 12 for vitamin B 12 deficiency
No interaction concerns
B 12r appears orange-brown in solution, while B 12s appears bluish-green under natural daylight, and purple under artificial light
