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10.1016/j.neubiorev.2016.02.011 10
Analyze Total Cost of Ownership: Factor in costs for cold shipping, import duties, and potential regulatory testing, not just unit price
Refrigerate the vial immediately and use it only for non-critical or preliminary research where precise bioactivity is not essential
It cannot confirm the B12 is at the labeled concentration
Harvard Health Guo EL et al
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