Ingredients for 1 servings:
1. 4 ounces seltzer water or 4 ounces club soda
2. 1 1/2 ounces vodka (80 proof)
3. 1 1/2 ounces sugar-free syrup (any fruit flavor)
4. lime juice, to taste
Directions:
1. Mix seltzer (or club soda), vodka, syrup, and lime juice, and serve over ice.
2. Enjoy!