Very reliable. I am the agent of Bewojia brand. As an agent, I have to choose a good product, Bei Wo Jia brand protein nutritious meal, which can really control calories accurately. A bag of anti-five-hour satiety has its own swelling power, which makes it easy for us to lose weight. I used it for a month, and my body has changed obviously. Really lost a lot of weight. I estimate it to be ten pounds. Especially recommended for female friends.