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People with healthy digestion sit at the higher end
Easier to measure small doses precisely
Epidemiological literature (LeRoith 2003
Unless you have a gastrointestinal condition that affects B12 absorption, it's usually not an immediate concern
The breadth of systemic activity reflects the peptide's interaction with foundational signaling pathways (NO, VEGF, growth hormone receptor) that operate across nearly all tissue systems
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