Eat Pineapples And Lose Weight. Pineapple has been a so-called weight loss fruit since, well, practically forever. Some people swear by mixing it with cottage cheese for fat-burning benefits, while others say that the fruit on its own is pretty magical. TikTok has plenty of videos of people raving about the “pineapple diet,” who say that eating pineapple helped them drop several pounds in a short period of time. Get More Information