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.