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Key Takeaways Injections Work Faster and More Effectively : Unlike oral supplements that lose potency during digestion, B12 injections are delivered directly into your muscle
Your medication ships within 24 hours of approval in discreet, temperature-controlled packaging most patients receive their first order within 23 business days
It wastes time, resources, and most importantly, the valuable peptide itself
However, regulations vary across different jurisdictions
doi:10.1007/s00441-019-03016-8 Chang CH, Tsai WC, Hsu YH, Pang JH