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Virology 537 , 254262 (2019)

(2) Emulsion-evaporation method in which PLGA and agents to be encapsulated are dissolved in a volatile water-immiscible organic solvent, which is emulsified into aqueous external phase followed by evaporation of the organic solvent to form PLGA nanoparticles

Potential side effects may include injection-site redness, swelling, bruising, itching, tenderness, small lumps, headache, fatigue, nausea, appetite changes, abdominal discomfort, stool changes, dizziness, altered sleep, mood changes, or feeling off. Allergic or immune reactions are also possible, and the FDA has specifically raised concerns about immunogenicity and peptide-related impurities in compounded BPC-157

As referenced, an imbalance in redox reactions is only one of the many factors that contribute to ASD