Walnuts are 65% fat, most of which is the polyunsaturated kind. In fact, walnuts contain more polyunsaturated fatty acids (PUFAs) than other nuts, particularly the brain-boosting omega-3 fatty acids that studies show we should eat more . Unfortunately, omega-3s easily become rancid quickly. To prevent rancidity, keep walnuts in a cool, dry place or in the fridge.
If you like smoothies but don’t fancy the banana-based ones as they can contain extra sugars, then a coconut yogurt-based one can solve the problem! With the natural sweetness of the berries, this drink makes a fresh and fruity start to the day or a lovely refreshing Paleo-friendly snack. This recipe could also be used to make a frozen yogurt dessert!
DO avoid fast food. I understand sometimes it might be the only option, but if you aren’t desperate don’t eat it. I have found it doesn’t even taste good anymore. Even though you can get bunless burgers at McDonald’s or wherever, fast food just isn’t healthy. It is full of chemicals and preservatives and they usually don’t even use real cheese and the meat often has fillers. Even the salads could have hidden sugars.
If you can’t have cheese on clean keto, at least you can have bacon? Well, sort of. Traditional bacon contains those pesky sulfites from before, along with nitrates (aka another carcinogen), Hunnes says. One recent study found a link between nitrate consumption and mania by looking at both humans and rats. And nitrates are a common migraine trigger — one study found that they can actually alter our oral bacteria, which is what can set off the migraines. 
I know it may be challenging to follow a healthy low-carb diet, especially if you are new to it. I hope this comprehensive list of keto-friendly foods will help you make the right choices, whether your goal is to lose weight or manage a health condition such as type 2 diabetes, insulin resistance, Parkinson’s, Alzheimer’s, epilepsy and even cancer.
Any of these sweeteners can help you stick with your ketogenic diet, keep your carbohydrates and sugars low and still obtain your sweet fix. Many are indigestible, which means they don't become carbohydrates at all, and your body just excretes them as waste. Just make sure that if you opt to use fruit powders like lucuma and monk fruit powder, no extra sugars have been added.