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A 2025 meta-analysis of 16 studies involving 6,098 participants found no statistically significant difference between intramuscular, oral, and sublingual B12 supplementation routes (p=0.270)
Fortunately, you can find vitamin B12 in a variety of food sources, including: Ensuring that you include many of these foods in your weekly diet can go a long way toward preventing a deficiency
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Correcting a deficiency requires an initial series of frequent doses to build up your levels, while a wellness plan focuses on regular maintenance shots to keep you feeling your best
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