The Therapeutic Potential of Apigenin (2018)
pmc.ncbi.nlm.nih.gov
pmc.ncbi.nlm.nih.gov
All of them are hydrophobic. Are the acetylated versions that are hydrophillic as effective in humans ? Can't say.
Parsely extract powder is least expensive way to obtain apigenin, 86% to 98% apigenin.