To lose weight from arms is simply impossible unless you eat the right diet When I say the right diet for losing arm fat, I mean a diet which is very rich in veggies with a high content of water and low on calories. Also you need the right amount of proteins. This will keep you in a very good mood and if you do as told you will see that not only you will feel less hungry, but you will start to have more energy and look better when your reflect your arms in the mirror.