Good fat burner supplement?

Cinnamon and chromium picolinate are good for balancing your blood sugar. Caffiene, amino acids and a baby aspirin might help with workouts.

I agree that there isn't a magic pill to burn fat.

Be patient, stay focused and use that gym membership. Be careful with low carb and adding exercise. You will need carbs for work outs. I've seen some girls fall out on a low carb diet. An apple or raspberries shouldn't throw you off track.

Good luck!

Supplementation is a very minor piece to a very big puzzle.

There's a very short list of supplements that actually work and there's an even shorter list of supplements that you might benefit from but that depends on your current diet and training and as such, nobody can recommend a supplement that you need without knowing a lot about you and your training and diet.

If your training and diet are dialed in (and by that I mean you're on a well designed program and you're able to stick to and make progress on your current diet and training) then looking at some specific supplements to get that additional benefit makes sense.

If you are underweight, you might add some strength training. Really at any weight it'd be a good way to get a fitter look.

Fat from your belly is the last to go in almost all cases. Just lose more.

If you are in america, you should easily be able to get Ephedrine. (controlled/monitored, but as far as i'm aware, its legal all over there).
Using Caffeine (if you don't regularly drink coffee or energy drinks. Otherwise once you build the tolerance its useless until you lose the tolerance and become sensitive to it again), ephedrine and aspirin. Is a standard "fat loss" stack. As in, if you're in a calorie deficit and/or working out, it will enhance your weight loss results by a small bit.

Yohimbine I think is also legal in america. Yohimbe, yohimbine hcl, yohimbine bark. Or in some form or another.
That can only be used while fasting (so in the mornings when you wake up, without eating), otherwise its ineffective for the most part. I can't vouch for it personally, but it does seem to target belly fat - whatever the science name for the type of fat that's stored in the gut area is - for the body to burn, rather than just general fat cells anywhere.
But again, besides being fasted for the few hours when you're on it. You will still need a calorie deficit overall, and to be specifically exercising when on it.
For those that complain about no such thing as "targeting fat in areas", look up the research on Yohimbine, rather than complain to me about it. Like I said, I can't personally vouch for it, but the research seems to be there. And it just like the ECA stack I mentioned, it might only give a small boost to weight loss speed or results. Not a miracle supplement.

Then there are two more supplements that can be used for fat loss. One being steroidal (i think) and illegal. The other one is not fit/used for human consumption and the slighest miscalculation or wrong doing on it, resulting pretty much in death. So no point in naming those two.

And basically EVERY SINGLE fat burning or weight loss or similar supplement you see online, doesn't do anything for fat loss.
Any single ingredient supplement, being ineffective. They may have have some general small health benefits to being supplemented. Or there might be some effect regarding triglycerides or whatever. But they don't make you lose weight. And most likely have no enhancing effect to losing weight on calorie deficit / working out.
The majority of 'fat burning formulae' will include some or all of these: caffeine, Capsaicin / cayenne pepper, l-carnitine , cla, green tea extract, raspberry ketones, or a host of other ingredients.
Some in america containing ephedrine.
Caffeine is good for increased heart rate, or sometimes blood pressure. And is the sole ingredient in the supplement formulas that makes you feel anything (due to heart pumping fast / alertness)
But if you have a tolerance to it (you regularly drink coffee or energy drinks, then it doesn't do even that.

Obviously, those containing Ephedrine, might have some enhancing effect on your results if you're already in a calorie deficit and/or working out. But Anything else, is pretty much ineffective