The invention relates to improving sexual fitness or wellness of both sexes, the male sexual enhancement, the treatment of sexual dysfunction and the health of the sexual vascular system of both sexes with ingredients that consist in a source of proanthocyanidins, a source of arginine, rose hip extracts and/or Quercus robur extracts. The source of proanthocyanidins may be a botanical extract and the source of arginine may be from arginine aspartate.本發明係相關於藉由具有一成分而增進兩性之性的適合度或良好度、男性的性之增進、性功能障礙的治療、以及兩性之性血管系統的健康，該成分包含原花青素之來源，精氨酸之來源，薔薇果萃取物且/或遼東櫟萃取物。該原花青素之來源可以為植物性萃取物，而該精氨酸之來源可為來自精氨酸天冬氨酸。
