"No Sugar Tonight/New Mother Nature" is a song by the Canadian rock band The Guess Who. It was released on their 1970 album American Woman, and was released on the B-side of the "American Woman" single without the "New Mother Nature" section. The single was officially released as "No Sugar Tonight/New Mother Nature" and peaked at #1 on the RPM magazine charts (three weeks) and on the Billboard Hot 100. In Cash Box, which at the time ranked sides independently, "No Sugar Tonight" reached #39.