does vitamin b12 injection cause sleepiness

is injectable b12 better than oral The Science Behind Injections Did you know? Vitamin B12 injections Hirata, F., & Axelrod, J vitamin B12 https://fitish.com/cdn/shop/files/mic_b12_vial_render_flow.png?v=1782395020&width=1500 Size:1000 mcg/ml - 30 ml (Pack of 3)

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