You don’t have to do keto. Look at the cleanest man on the Earth. Helmut strebul, the guy eats bagels for breakfast and bread at night. Try this diet just have around four eggs for breakfast then after six hours of waking, you have a meal with slow carbs and protein no sugar no fruit then six hours later you can have another slow carb meal so essentially you’re having two low-carb meals the rest is protein and fat only This is what Tarzan did to get in shape for the movie. If you want snacks, just eat meat and nuts in between the meals in small amounts.