Diagnosis of HPII can be made based on plasma proline levels, as well as elevated urinary P5C levels, proline, hydroxyproline, and glycine, which serve as important markers
Patients may also notice better sleep, improved energy, and less oxidative stress
Keep the vial in its original box or an opaque container to protect it from light exposure, which can degrade the peptide structure over time
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These are indications that your B12 is working