You should eat natural, unprocessed foods that humans are genetically adapted to eating. Research shows that such foods are great for health.
For healthy people who exercise and don't need to lose weight, there is absolutely no proven reason to avoid tubers like potatoes and sweet potatoes, or healthier non-gluten grains like oats and rice.
- Beef, lamb, pork, chicken, etc. Humans have eaten meat for hundreds of thousands of years. Unprocessed meat is good for you.
- Eggs are among the most nutritious foods on the planet. The yolk is the most nutritious and healthiest part. Omega-3 eggs are best.
- Vegetables contain fiber and many nutrients that are essential for the human body. Eat vegetables every day.
- Fruits increase variety, taste good, are easy to prepare and rich in fiber and vitamin C.