You don't "burn fat" by taking supplements. Your body needs a certain amount of calories to work "as is". Being in a caloric deficit will cause your body to use bodyfat as energy, and thus reduce overall bodyfat.

With that being said ECA (IMO) works well for staying in a caloric deficit for at least 2 reasons: (1) it does raise your metabolic rate and you will burn more calories at rest and during a workout, thus helping maintain the deficit. (2) the E in ECA can act as an appetite suppressant. When dieting, feeling hungry is normal. After all, you are eating fewer calories than your body is demanding. It is easy to fall off the wagon. If your appetite is suppressed, you are less likely to screw up your deficit by eating to fix the hunger.

Just controls your diet and you will be shocked by the results ! And add cardio 3 weeks or 1 month later and if you don’t see results with your diet don’t add cardio change the diet until you see results in your diet then add cardio I’d recommend 1 an half pound per week or 2 pound per week of course first couple weeks you will lose more than that
Now for ECA it will burn fat but is it good for your health no I don’t even recommend taking baby aspirin on daily basis it will damage your intestinal “not worth it”

ECA is rough stuff but it does work effectively! It does burn muscle as someone else mentioned. But when you're catabolic that occurs with most weight loss.

Ephedrine suppresses the appetite, this is true, but in addition to burning fat will try to burn the hard earned muscle.
The best way to fight fat loss is a healthy and clean supplement, the food. This factor should start first in your brain.
Leave these chemical mixtures alone.

The answer is yes it burns fat through thermogenesis.Is it good for you is another question.

Eca is trash That all I have to say