What does your diet look like? If you're starting from "never did anything" to "going to the gym regularly", you should see some "gains" just from the increased & targeted activity. Generally it takes 3 weeks for any particular change in your lifestyle to start "showing" - since it takes about that long for the body to adapt to the consistent change. Better results if you look at what you are eating in terms of marrying your energy needs to supplying the appropriate energy source.
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