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[Google Scholar] 94.Puthanveetil P., Zhang D., Wang Y., et al
Blood-brain barrier shuttle peptides enhance AAV transduction in the brain after systemic administration

10.1002/(sici)1096-8628(19990820)88:4 3.3.co;2-m 58 KaleA.NaphadeN.SapkaleS.KamarajuM.PillaiA.JoshiS.et al

Blood draw and centrifuge processing takes about 20 to 30 minutes

But you can consider supplementing with it
