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B12 Travels to the Small Intestine: B12 binds to a protein called haptocorrin, which protects it from stomach acid as it moves to the small intestine

The generation of T4 transgenic mice confirmed that T4 promotes hair growth [12]

You might be a good candidate if you: Follow a vegan or mostly plant-based diet Feel tired, foggy, or low-energy even with good sleep Want a more direct option than supplements Have digestive issues that may affect absorption Want a wellness boost as part of a bigger health plan Vegan vitamin B12 injections are a good option for people who want to stay fully plant-based while still getting enough of this hard-to-find nutrient

J Leukoc Biol (2018) 104(2):41322