To remain in ketosis, it is also important to avoid a large excess of protein. Artificial sugars in large quantities may also throw you out. If the goal is weight loss, you'll slowly adapt to wanting less food because fats + fiber is filling. Keto has been shown in many cases to normalize blood fats (lipids - cholesterol, triglycerides) and should not habe negative impact on the kidneys, especially if you aren't eating only meat. Other reported benefits include increased energy and mental acuity, though I don't know of studies verifying this. It is a tricky diet because it's hard to know what they put in food at restaurants and cooking yourself is best. Also, the social aspect of food shouldn't be discounted and may vause troubles at times. Regarding fat intake - eating as much as you want is generally fine; however, if you eat a large excess, your body will look to the dietary fat first and may not get to mobilizing fat stores. If you continue, physical activity is important to maintain and build muscle. Combined with intermittent fasting, you¡will see good results and intermittent fasting is shown to positively impact longevity.
