Keto Tone France The most important thing for reaching ketosis is to avoid eating too many carbs. You’ll probably need to keep carb intake under 50 grams per day of net carbs, ideally below 20 grams. The fewer carbs, the more effective it appears to be for reaching ketosis, losing weight or reversing type 2 diabetes.14Counting carbs can be helpful at first. But if you stick to our recommended foods and recipes you can stay keto even without counting.Here’s what you should avoid on a keto diet – carb foods containing a lot of sugar and starch. This includes starchy foods like bread, pasta, rice and potatoes. These foods are very high in carbs.