glutathione 250mg BESTVITE L-Glutathione (60 Vegetarian Capsules) - No Stearates - Vegan - Non GMO L-Glutathione 250mg (Douglas Labs)

Importantly, the BBB functions as the core of the neurovascular unit (NVU), whose integrity depends on the coordinated homeostasis of surrounding neurons, astrocytes, and the basal lamina

So far there have been no randomized phase III clinical trial of an antiangiogenic drug guided by biomarkers reflecting the type of vascularization present (e.g., newly formed vessels versus vascular co-option) [1,43]

Supplements There are companies (like the one below) selling BPC-157 as an oral supplement

Add 3.0 mL bacteriostatic water to one 5 mg vial ~1.67 mg/mL (1,667 mcg/mL), a practical dilution for accurate dosing