I am a bit overweight by the world standards I am 5"5" & a size 10/12. My measurements: arms 13.5 inches, legs 26.5 inches waist 30 inches hips 43 inches chest 38A. I am ok with my body except for I would like to be more firm. Ideally I am only looking to lose 10-15lbs. In reality I could careless about losing 10-15lbs what I really want is to firm up my skin and weightloss would be a fine side effect. What is recommended. I would like to tighten my arms and my legs & abs