If you want to go hardcore on your diet, then having a grapefruit for breakfast is how to do it. This is a very low carbohydrate food that is also very low in calories.
This means you can start your day on a deficit that will keep you burning fat. What’s more, is that the grapefruit will speed up the metabolism, thereby helping you to burn through more calories more quickly than you otherwise would.
Grapefruits are a little on the bitter side though and if you aren’t used to them, this can come as something of a shock to the system. Stick with it though! Although this can be hard to stomach at first, you will eventually adapt and when you do, you’ll find that this is actually a very refreshing way to start your day that you find yourself looking forward to!