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Petoukhov, M
Unlike oral supplements, which must go through the digestive system and may be poorly absorbed, B12 injections bypass the gastrointestinal tract entirely
Katri Peuhkuri, Nora Sihvola, Riitta Korpela, Diet promotes sleep duration and quality, Nutrition Research, Volume 32, Issue 5, 2012, Pages 309-319, ISSN 0271-5317, ( Mayer G, Krger M, Meier-Ewert K
It is normally prescribed when your diet alone cannot provide the necessary supplements your body needs
Written by the Well Labs+ editorial team Last updated July 2026 Category Overview Some vitamins and nutrients are better delivered by injection than by supplement, bypassing digestion so your body can put them to use directly
When you get a shot, B12 goes straight into your bloodstream, ensuring a quick and effective boost
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