Preheat oven to 350°F. Prepare a 9x5-inch loaf pan with a coating of butter or nonstick cooking spray. Set aside.
In a mixing bowl or the bowl of a mixer with the paddle attachment, combine the almond flour, baking powder, baking soda, and sugar substitute.
Add the eggs, vanilla extract, banana extract, and butter. Mix until well combined.
Fold in the chocolate chips. Pour the batter into the prepared loaf pan.
Bake for 35 to 40 minutes, until the top is golden brown and a toothpick inserted in the center comes out clean.
Remove from oven. Let bread cool in the pan for 10 minutes.
Run a thin knife around the edge of the pan, then invert the bread onto a wire cooling rack. Let the bread cool completely before slicing, about 1 hour.