Perhaps you have wondered why there are so many different diet plans, all with followers who claim they work. Why is it that some diets work for others, while others do not? It may just have to do with the individual's metabolic type. According to the authors of this method, there are three main metabolic body types, and certain factors that affect each one. Keep in mind that with all diet plans, it is important to find what works for you. The key to permanent, effective weight loss is eating a balanced diet and getting plenty of regular exercise.
Determining Your Type
The old formula of calories in, calories out does not necessarily apply to everyone, according to the metabolic typing diet. It is somewhat more complicated than that. There really is no "one size fits all" diet. The metabolic type diet purports that we burn calories differently. These differences may be affected by age, genetics or culture. They may be determined by physical characteristics, personal preferences and behavioral traits. According to researcher William Wolcott, author of "The Metabolic Typing Diet," we all have genetically inherited strengths or weaknesses. Our genetics effect our autonomic nervous system, carbo-oxidative system, lipo-oxidative system and endocrine system. These all determine how calories are burned and energy is used. While there is no "pure" metabolic type, most people tend to have one dominant type of system.
Protein Types
Those with a protein type-dominant system are often hungry and crave salty or fatty foods. They tend to have energy extremes. They are either wired or lethargic, anxious and edgy or overly fatigued. Physically, they may be tall and most likely are descended from cold climate cultures such as Alaska, Siberia, Great Britain and the Netherlands. The protein-type individual thrives on a high-protein diet, especially one that is rich in certain animal fats. These types do well on diets such as the Atkins diet and can even tolerate higher amounts of fats and oils, including dairy products. They do not do well on vegetarian or low-fat diets. They should also restrict the amount of carbohydrates they consume, eating fewer grains, fruits and sweets than other types.
Carb Types
Those with a carb-type-dominant system are the exact opposite. Their ancestors are generally from warmer or tropical climates such as South America, Africa or the Mediterranean. They require less protein and can typically eat a vegetarian diet without adverse effects, and they may even tend to gain weight when they consume too much protein or fat. They have weaker appetites but may crave sweets or carbs more often and can generally metabolize carbohydrates more efficiently. They also tend to have a hard time managing their weight. They often feel tired and may require caffeine or other stimulants for energy. Carb types should eat plenty of whole grains and fruits and vegetables liberally. They should restrict the amount of protein and fat they consume, especially red meat, pork, chicken and oily fish. They should consume low-fat dairy products, if any.
Mixed Types
Those with a mixed-type system may also have mixed ancestry. They generally do not have one dominant system and can crave either sweet foods or carbs, as well as fatty or salty foods. They have an average appetite without any major energy extremes. To keep their metabolism balanced, they need a balanced diet that includes healthy amounts of all the macronutrients: carbohydrates, proteins and fats. These individuals tend to do well on the South Beach, The Zone or similar diets. They can tolerate both low-fat and high-fat protein sources, including meat, fish, eggs, dairy and tofu. They should have equal portions of meats, dairy or fish and whole grains, legumes or other starches at each meal. They should also eat plenty of fruits and vegetables each day.
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