For patients whose levels fall in the borderline or gray zone, a methylmalonic acid (MMA) test provides greater specificity MMA levels rise when B12 is functionally inadequate at the cellular level, even if serum B12 appears borderline normal
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High oral bioavailability Caco-2 cell assays showed excellent passive and active membrane transport with no detectable efflux (Neelakantan et al., 2018)
Dehkhoda F, Lee CMM, Medina J, Brooks AJ
Small molecule compound studied in research involving nicotinamide N-methyltransferase (NNMT) pathways Investigated in laboratory models examining cellular metabolism and biochemical signalling mechanisms Commonly utilised in metabolic and enzymatic research applications Supplied as high purity lyophilised powder for research use Form: Lyophilised powder Purity: 99% Verification: HPLC and Mass Spectrometry
