If you go through exhaustion in every training session, your ab muscles will not grow stronger. The third tip for a flat stomach is to drink Oolong tea at least 3 times every day; morning, afternoon and before sleeping. The second best 6 pack abs exercise for women is sit ups, again lie on the floor and feet touching the floor and knees up. A healthy breakfast is a great way to jumpstart your metabolism early on in the day.Java burn helps to reduce extra fat. https://primalhealthtips.com/java-burn/