A composition comprising at least a mixture of molecules comprising at least: - an extract of Chrysanthellum indicum, and - an extract of Cynara scolymus, and - an extract of Vaccinium myrtillus, and - synthetic piperine and/or an extract of Piper containing piperine, said mixture of molecules comprising: - at least one molecule chosen from apigenin-7-0-glucoronide, chrysanthelline A, chrysanthelline B, caffeic acid, luteolin, maritimetin, eriodictyol, isookanine, apigenin, luteolin-7-0-glucoside, maritimein, marein, eriodictyol-7-0-glucoside, flavomarein, apigenin-8-C-α-L-arabinoside-6-C-β-D-glucoside (shaftoside), apigenin-6,8-C-di-β-D-glucopyranoside (vicenin-2), and - at least one molecule chosen from dicaffeoylquinic acid, sulfomonocaffeoylquinic acid, luteolin, luteolin-7-0-glucoside, luteolin-7-0-glucoronide, apigenin-7-0-glucoside, cynaropicrin, and - at least one molecule chosen from monocaffeoylquinic acid, delphinidin-3-galactoside, delphinidin-3-gluycoside, cyanidin-3-galactoside, delphinidin-3-arabinoside, cyanidin-3-glucoside, petunidin-3-galactoside, cyanidin-3-arabinoside, petunidin-3-glucoside, peonidin-3-galactoside, petunidin-3-arabinoside, peonidin-3-glucoside, malvidin-3-galactoside, malvidin-3-glucoside, malvidin-3-arabinoside, and - at least piperine. - an extract of Chrysanthellum indicum, and - an extract of Cynara scolymus, and - an extract of Vaccinium myrtillus, and - synthetic piperine and/or an extract of Piper containing piperine, said mixture of molecules comprising: - at least one molecule chosen from apigenin-7-0-glucoronide, chrysanthelline A, chrysanthelline B, caffeic acid, luteolin, maritimetin, eriodictyol, isookanine, apigenin, luteolin-7-0-glucoside, maritimein, marein, eriodictyol-7-0-glucoside, flavomarein, apigenin-8-C-α-L-arabinoside-6-C-β-D-glucoside (shaftoside), apigenin-6,8-C-di-β-D-glucopyranoside (vicenin-2), and - at least one molecule chosen from dicaffeoylquinic acid, sulfomonocaffeoylquinic acid, luteolin, luteolin-7-0-glucoside, luteolin-7-0-glucoronide, apigenin-7-0-glucoside, cynaropicrin, and - at least one molecule chosen from monocaffeoylquinic acid, delphinidin-3-galactoside, delphinidin-3-gluycoside, cyanidin-3-galactoside, delphinidin-3-arabinoside, cyanidin-3-glucoside, petunidin-3-galactoside, cyanidin-3-arabinoside, petunidin-3-glucoside, peonidin-3-galactoside, petunidin-3-arabinoside, peonidin-3-glucoside, malvidin-3-galactoside, malvidin-3-glucoside, malvidin-3-arabinoside, and - at least piperine. - at least one molecule chosen from apigenin-7-0-glucoronide, chrysanthelline A, chrysanthelline B, caffeic acid, luteolin, maritimetin, eriodictyol, isookanine, apigenin, luteolin-7-0-glucoside, maritimein, marein, eriodictyol-7-0-glucoside, flavomarein, apigenin-8-C-α-L-arabinoside-6-C-β-D-glucoside (shaftoside), apigenin-6,8-C-di-β-D-glucopyranoside (vicenin-2), and - at least one molecule chosen from dicaffeoylquinic acid, sulfomonocaffeoylquinic acid, luteolin, luteolin-7-0-glucoside, luteolin-7-0-glucoronide, apigenin-7-0-glucoside, cynaropicrin, and - at least one molecule chosen from monocaffeoylquinic acid, delphinidin-3-galactoside, delphinidin-3-gluycoside, cyanidin-3-galactoside, delphinidin-3-arabinoside, cyanidin-3-glucoside, petunidin-3-galactoside, cyanidin-3-arabinoside, petunidin-3-glucoside, peonidin-3-galactoside, petunidin-3-arabinoside, peonidin-3-glucoside, malvidin-3-galactoside, malvidin-3-glucoside, malvidin-3-arabinoside, and - at least piperine.