Hard time to lose weight

Whenever I see women who have children but still have great bodies,I tend to envy them.I sometimes asked myself how come they maintained to be fit while me having a hard time to lose weight.I know there are lots of best diet pills around now that can certainly help me to reduce my weight.I'm still reading some informations and reviews of consumers on different diet pills to be sure that it will be working good for me.For me,the diet pill should be safe and effective.So I have to be sure before using any product.I don't want my health to be compromised,it's better to be safe than to be sorry later.