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doi.org/10.1007/s00109-016-1488-y Goldstein, A

Each culture was enriched with 2 mg/L NaNO 3 -N and 1 mg/L KH 2 PO 4 -P, continuously aerated, and renewed every three days

(6) Rapid tachyphylaxis: Continued tyramine exposure depletes releasable NE stores and replaces NE with pharmacologically weak false neurotransmitter stores, leading to diminished responsiveness despite ongoing tyramine presence

This makes BPC-157 fundamentally different from L-arginine and other NO supplements

Many people feel frustrated when they don't see changes after taking supplements, but often, the issue isn't the ingredientit's the delivery