A 28-day keto challenge is a structured program designed to help individuals adopt and follow a ketogenic diet for a specific period, typically 28 days. The ketogenic diet is a low-carbohydrate, high-fat diet that aims to shift the body into a state of ketosis, where it primarily burns fat for fuel instead of carbohydrates. During a 28-day keto challenge, participants typically follow a specific meal plan or set of guidelines that focus on consuming foods that are low in carbohydrates and high in healthy fats. The goal is to limit carbohydrate intake to a very low level (usually around 20-50 grams per day) and increase fat intake significantly. Here are some key principles that are commonly followed during a 28-day keto challenge: Low-carb, high-fat foods: The diet encourages the consumption of foods such as meat, fish, eggs, dairy products (e.g., cheese, butter), nuts and seeds, healthy oils (e.g., olive oil, coconut oil), and non-starchy vegetables. Carbohydrate-rich foods like grain...