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Oral Supplements: Absorption varies widely due to digestive factors
Key cited studies: Heffernan M et al
The process is simple, easyand fasI would recommend this to everyone._ Just started using this
Vitamin B12 is often well tolerated, but side effects can include mild stomach upset, nausea, diarrhea, headache, or irritation from certain formulations
[3] Dosing of hydroxocobalamin should be individualized based on the severity of vitamin B deficiency and clinical response
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