Today is my third day on phentermine 30mg and It could just be all in my head but I swear I have skin sagging now. This is just soooo awesome I've already lost 6lbs in 3 short days. So far the only side effect that I'm experiencing is dry mouth. I have to say I am scared to see what my body will look like when Im done if the skin sagging doesn't improve with my workout. I do 30min of exercise 4 days a week and I make smart choices about what I eat. Lol I have to force myself to eat