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No forum post can account for all of those variables
(Thats why vitamin B12 is often treated with B12 injections fewer barriers to absorption!) A different small study on people who underwent gastric bypass surgery found that higher doses of oral B12 supplements (1,000 to 2,000 mcg) are about as effective as injections
Omokhodion FO, Crockford GW, Lead in sweat and its relationship to salivary and urinary levels in normal healthy subjects10.1016/0048-9697(91)90137-4 [Google Scholar] [CrossRef] [24]
The supplement comes in a unique effervescent tablet form that is easy to dissolve
Oral Administration & Lipid Metabolism Heffernan et al., Am
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