I've been practicing many years occasionally exercise and going to the gym, but now when I've finally decided to make a significant change in my lifestyle.

I am 23 and currently weigh about 78 kg. I would eventually reach about 65. I have a very healthy diet (5 meals a day, no sugar, "bad" fats, junk food, sauces ...) and from an attempt last week to go to the gym every day (if I cannot, I run at night). My aim is to keep this routine to get in shape for the summer, but do not know if I am doing well.

Let me explain; I am now training with a routine that involves heating to about 15-20 min of cardio (running), then train every day a different group of muscles (3 sets of 3 sets of 15 repetitions each) and ended with another 15-20 minutes of cardio (elliptical or bike). This routine I do it in the morning or afternoon, and at night I run for about 40 minutes. When I can I also go to school for body fitness or crossfit. When I say I can not because my career allows me to take the training too narrowly in terms of schedules.

My problem is I do not know if this routine is the best to lose weight and achieve my goal, so I'd like to know your opinion.

Another question I have is whether milk are not recommended for weight loss (usually take a glass of skimmed milk a day, a 0% yoghurt and cheese, I do not know if it is too).

Thank you in advance and hope someone can help me!