Because of the research-use nature of these products, we cannot accept returns of opened vials outside of those circumstances
Oral B12 supplements often contain higher levels than the recommended daily allowance (RDA)
Many nutrients have their action INSIDE the cell, which means that testing serum and blood levels just give us an indication of what may be available but that is assuming everything else is working properly: cellular activity, enzyme activity, receptor activity, etc
He noted that the three pillars of an FDA finding of safe and effective include demonstrating clinical efficacy, validating the manufacturing process and completing the required toxicology studies
Airlines allow insulin syringes and medically necessary injectables, but keeping your vial at refrigerator temperature during a long trip requires planning
The solvent you choose directly impacts sterility, peptide stability, and the reliability of your results over multiple draws