I've started cutting 2 days ago and I weigh 195, 5"7, age 16 and am eating 2500 cals a day. I am doing 30 mins cardio and 30 mins lifting. Both high intensity. I wanted to clear up, do I eat 3-500 cals less then my tdee or bmr? I have lots of muscle I would like to preserve. My bmr is 2022 and eating less then that is nothing. So tell me which it is? No bull**** answers either.
Generally, to lose bodyfat, you need to be eating LESS than your Maintenance. However, what is ideal for you to lose bodyfat only but maintain your current muscle mass, no one can tell you, and it's something you discover by experimenting. I recommend that you start out at ~200 calories less than Maintenance and adjust your caloric intake on a weekly basis, dependent on your progress and results from that week - i.e. if you lose bodyfat only, then you can go to 300 less the next week, or until you stop making progress; but if you find that you lose some muscle mass, then increase calories slightly.
Just to be sure, you're not doing 30 minutes of resistance training daily, right? Training EVERY day can be detrimental to any body goal, and you should have 1-2 days a week where you are not doing ANY training (unless you're a competitive athlete, at your age, I recommend 2-3 days a week not training) - you get your results in your RECOVERY time, NOT when you're hammering your body, just so you know.
Since you want fat loss, I recommend downloading and reading
The 3 Keys to Fat Loss - it contains comprehensive advice and information on nutrition, supplementation (you don't need anything but the basic staples at your age, period!), and training for effective and successful fat loss. Apply the principles outlined in the article and you will see results.
~Rosie~