For some people, though, a keto diet has one big perk: Its high-fat foods leave adherents feeling sated without needing to snack between meals. And while it can be difficult to get all the nutrients and fiber you need without whole grains and fruits, “it is definitely possible,” Sharp says. “You will need to be well in tune with the micronutrients in the foods you’re including in your diet to ensure you’re covering all of your bases. You may also want to consider a supplement.”
To understand how many calories you need to take in every day, you’ll need to measure your NEAT expenditure as carefully as possible and hedge accordingly. Some activities that take up NEAT energy, such as fidgeting or typing, may need to be removed from your daily activities if you’re losing more energy than you can obtain with food. If you aren’t active enough, however, you may want to take up activities that use extra NEAT energy such as yard work or walking to work every day.
Most people will choose to begin their carb-up on Friday night and end it before bed on Saturday. This is usually most convenient as it's when you are off of work and can relax and enjoy the process. If you aren't overly concerned with fat loss and are just using this diet as a way to maintain blood sugar levels, you can likely eat whatever carbohydrate foods you like during this period. If you are worried about fat gain though, then you need the math.
We tried hard to find out more; in fact, there’s a section on the website called “how it works.” Unfortunately, there is very little information provided other than generic statements and promises. The site does say that it wants you to be as physically strong as possible to live up to the name “Superhero.” “Get ready to bench 300+ lbs, perform 100-lb pull ups and curl 75-lb dumbbells.”
While macros will differ a little from person to person, the general rule of thumb for keto is to keep carbohydrates under 5% of your daily caloric intake. As long as you avoid the foods mentioned above, you should be fine. Google “TDEE calculator” if you need some additional guidance on how many calories to eat. I’ve had success following this way of eating as it allows me to eat foods that taste great. There are tons of resources online as well if you need additional guidance. A quick google search should turn up a ton of resources. Hope this helps!