does bpc 157 cause anxiety BPC-157 for Mental Health: What 30 Years of Research Shows Anxiety and Back Pain -

In addition to a medium made of 0.5 ml of DMEM, 10% FBS, 100 U/mL of penicillin, and 100 mg/mL of streptomycin, BPC 157 was added to each well in concentrations of 0 (control group), 0.1, 0.25, and 0.5 ug/mL for 1, 2, and 3 days in a humidified atmosphere

It inhibits the production of pro-inflammatory cytokines (TNF-alpha, IL-6, IL-12), modulates the polarization of macrophages towards the M2 (anti-inflammatory) phenotype, and stimulates collagen production in models of pulmonary and cutaneous fibrosis

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It is obvious, that the neuropeptide is definitely somehow related to sleep onset