BPC-157 has been proposed as a potential treatment of physiologically based illnesses that disproportionately affect certain patient populations, such as the COVID-19 illness, as it improves vascular integrity and immune response, reduces the pro-inflammatory profile, has an anti-inflammatory effect, and reduces the lethality of critical COVID-19 illnesses [3]
Remember, even with a perfect diet, absorption can be a challenge
FDA approval means that the agency has evaluated the drug for quality, safety and effectiveness
Like glutathione, NAC has low bioavailability
Anything which irritates the mucosal lining of the nose wouldnt be tolerated, congested nasal passages could inhibit delivery, and its not clear how far or where into the brain the substances might reach
Multifunctionality and Possible Medical Application of the BPC 157 Peptide-Literature and Patent Review