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PloS One (2011) 6(7):e21772
Yes, but people with absorption issues (due to age, diet, or health conditions) may not get sufficient B12 from pills alone
The distinction matters because it means the peptide optimizes how cells respond to existing growth signals rather than flooding the system with additional signals
The vial stays within its 28-day window if you continue at 5 mg/week immediately after
This combination has been the most requested peptide pairing in the research space for years, and the spray format makes it more accessible and practical than ever for daily research protocols
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