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The market is sprawling and largely unregulated, filled with suppliers who cut corners

Research examines peptide degradation, formulation stability, excipient compatibility, release kinetics, mucosal transport, and structural characteristics that may influence bioavailability

The effect of B12 on iron metabolism is something researchers are looking into

A peptide that is even a few percentage points off in purity can contain contaminants or incorrect sequences that could completely skew your results or, worse, introduce unintended biological effects

Hormones and Neurotransmitters Another under-researched area that nonetheless shows great potential is the connection between B12, hormones and neurotransmitters