The ingredients in Perfect Diet for Women are formulated to use the newest science on fat loss for women. Green tea has also been used successfully as a weight loss agent. Cayenne is perfect for persons desiring to reduce oxidative stress (athletes and others) and lose weight. Bitter Orange - Synephrine is a stimulant, similar to caffeine and ephedrine. It is thought to have similar effects in terms of providing an energy boost, suppressing appetite and increasing metabolic rate leading to the burning or more calories.