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HEK and MDCK cells were serum starved for 2-24 h prior to the initiation of drug treatment
Mass spectrometry (MS) confirmation: Confirms the molecular weight matches the target peptide sequence

B12, also known as Cobalamin, is a very important B vitamin

If you have to pick one, the decision usually comes down to whether your primary issue is soft-tissue injury (either works) or gut inflammation (BPC-157)
