They are third-party tested for purity
Its mechanistic literature is unusual in that the selectivity is transporter-mediated rather than receptor-mediated
doi: 10.3389/fpls.2017.01720 38 KoramutlaM
Likely not but its a powerhouse
Jacobsen H, Walendy-Gnir K, Tekin-Bubenheim N, Kouassi NM, Ben-Batalla I, Berenbrok N, Wolff M, Dos Reis VP, Zickler M, Scholl L, Gries A, Jania H, Kloetgen A, Dsedau A, Pilnitz-Stolze G, Jeridi A, Yildirim A, Fuchs H, Gailus-Durner V, Stoeger C, de Angelis MH, Manuylova T, Klingel K, Culley FJ, Behrends J, Loges S, Schneider B, Krauss-Etschmann S, Openshaw P, Gabriel G (2021) Offspring born to influenza A virus infected pregnant mice have increased susceptibility to viral and bacterial infections in early life