Swiss Navy 4 In 1 Playful Flavors-Watermelon 4oz

4-in-1 Playful Flavors promise playful pleasure in all its forms. Watermelon naturally entices taste buds and is considered a refreshing aphrodisiac. It?s also a natural source of citrulline, an amino acid that may support better erections, according to Medical News Daily. Healthline refers to watermelon as a natural Viagra and can be one way to safely reduce ED.