Drinking coffee can and does help you lose weight because the cup of coffee helps to stimulate the brown fat which helps you burn calories.
And when you burn calories due to the brown fat being stimulated you lose weight.
You can also lose weight using butter in your coffee.
But make sure you use the grass fed butter in the coffee to make bullet proof coffee which helps you lose weight.
Also exercise, do intermittent fasting and eat healthy and you should lose weight overtime.
You should be losing between 2 to 10 lbs of weight per month depending on your current weight and how much exercise you do to lose the weight.
But drinking some coffee can help you aid in your weight loss and the coffee can also help improve your heart health as well.