These mentioned foods can really help in your journey to lose that lower belly fat especially eggs, nuts and beans. I’ve made a month’s diet out of these three and the results were really amazing. I always tell my friends about it and most of them are adopting it too. I advise you focus on your diet and exercise and you should try to relax often. You’ll be surprised.
I could be wrong in your case but it’s worth mentioning that in many cases…detoxing will cause you to have a headache in the beginning. Especially if you stop other things like your caffeine intake and drastically reduce how much sugar you’re consuming. It’s because we kind of get addicted to those things and when we stop consuming them…there is a short/brief process of detox/withdrawal. Could be the case with you…or it may not. I know reducing both my sugar intake and caffeine caused migraines initially. But I was warned and so I was prepared for it.
Blueberries are an excellent source of polyphenols antioxidants called flavonoids. And one group of flavonoids called anthocyanins present in berries are known to have a wide range of health benefits  . Study findings have shown that blueberries trigger the genes that regulate fat burning and storage. This helps in reducing visceral abdominal fat and lowers cholesterol  .
This is the result of a lazy thyroid, the gland being responsible for producing hormones that control the metabolism. A lower metabolism is surely a trigger for weight gain, but it’s not just the excess belly fat that gives headaches to this group of people: they also tend to have poor circulation and cold extremities, hair loss, saggy underarm skin and brittle fingernails.