You have many, many options, but if muscle gain is one of your goals and you plan on training hard, always start with workout nutrition. We suggest <a href="http://www.t-nation.com/store/products/plazma"target=“new”>Plazma or <a href="http://www.t-nation.com/store/products/surge-workout-fuel"target=“new”>Surge Workout Fuel. Plazma would be the best choice if you’re lifting hard and frequently.
Also read up on <a href="http://www.t-nation.com/store/products/indigo-3g"target=“new”>Indigo-3G.
If fat loss is more of the primary focus, you may want to check out the Velocity Diet plan. You can get the free ebook here, which also includes strength training workouts: https://www.t-nation.com/store/products/velocity-diet