Multiple choice The final output of of the Krebs Cycle includes all of the following except NADP FADH2 ATP CO2 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The Krebs cycle produces carbon dioxide (CO2), ATP (or GTP), NADH, and FADH2. It does not produce NADP+ (or NADPH), which is an electron carrier primarily utilized in anabolic pathways like photosynthesis.