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Nasal delivery may offer extra perks for gut research since it avoids first-pass metabolism
Last updated: April 1, 2026 If you have been feeling unusually tired this spring or wondering whether a vitamin B12 injection might be the answer, you are not alone
human clinical validation remains limited
Plant foods do not naturally contain vitamin B12, but some fortified foods and fortified cereals (including many breakfast cereals) and nutritional yeasts, are fortified with B12 to help vegetarians and vegans meet their needs
This effect is particularly important for: Wound healing Tendon and ligament repair (notoriously poor blood supply) Cardiac tissue recovery Gastrointestinal mucosal regeneration EGF (Epidermal Growth Factor) EGF promotes cell proliferation and differentiation, particularly in epithelial tissues
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