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Advances in clinical chemistry , 87 , 141159

And I think the battle cry from the big pharmaceutical companies is a little misleading if you don't know the nuances of all of this

(PubMed) Gritz DC, Srinivasan M, Smith SD, et al

Improved Compliance: Administering medication via nasal spray can be less intimidating for horses, leading to improved compliance and cooperation during the treatment process

HPLCMS analysis after solubilization with acidified methanol confirmed an almost stoichiometric conversion of 3,4- cis -leucocyanidin ( 6 ) into cyanidin ( 8 ), while the formation of the side products epidihydroquercetin ( 9 ), and quercetin ( 11 ) was reduced (Extended Data Fig

G., Lersch, P., Schwach-Abdellaoui, K., Malle, B., Korting, H