The research timeline can be found in Fig
While many who are deficient opt for oral, over-the-counter supplements, we recommend approaching the deficiency head-on with B12 injections
Lets look at the main factors to consider: Bioavailability Traditionally, injection has been considered the most efficient route of administering peptide drugs due to their instability and rapid degradation with oral, topical, and other delivery methods
GHK-CU has been used at 110 nM (nanomolar) concentrations in molecular and dermatological assay systems
User 2 followed exactly this structure for a 12-week beginner protocol, running 250 to 500mcg daily during the loading phase and dropping to 250mcg daily for maintenance
If your heart rate feels too fast or uncomfortable, even at rest its important to check in to ensure the dose is appropriate