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What about B12 after a hard workout
GHK-Cu's natural occurrence in human plasma suggests better tolerance for extended therapy, though both appear safe when used appropriately
Research shows clear benefits: Better stability than oral delivery, which exposes peptides to harsh stomach conditions Less breakdown by enzymes that would destroy the peptide before it reaches the blood Easier compliance no needles, no mixing, just spray Potential for targeted delivery to specific tissues, including the brain via the olfactory pathway Nasal delivery works very well for peptides like BPC-157 that target the whole body
These typically settle within a day or two
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