injection vitamine b12 grossesse Delagrange 1000 µg / 2 ml Ampoules injectable (IM) et buvables Pourquoi faut-il éviter la carence
Description
The Absorption Challenge: Research published in the American Journal of Clinical Nutrition reveals that absorption rates for oral B12 vary dramatically based on individual factors

Askmark H, Haggrd L, Nygren I, Punga AR
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DOI: 10.1111/j.1365-2826.2004.01243.x 23

With an oral supplement, the B12 needs to be absorbed through your digestive system first before getting to your blood, which takes a lot longer
