Unlock Your Body's Potential with the Metabolic Diet Revolution
Discover how the Metabolic Diet by Diane Kress can transform your health by resetting your metabolism, curbing sugar cravings, and promoting lasting weight loss through a scientifically designed three-phase plan.
Diane Kress's Metabolic Diet has earned accolades such as “revolutionary,” “sensational,” and “rapid-acting.” Without hesitation, Kress calls her nutritional plan a “weight loss miracle.” Drawing from her extensive expertise in therapeutic nutrition, she asserts that this diet can help you regain control over a malfunctioning body, eliminate cravings for sweets and unhealthy foods, and most importantly, achieve permanent weight loss.
Meet the Creator: Diane Kress
International recognition came to Diane Kress shortly after she turned 50. By then, she was already well-known within professional circles as a dietitian and mentor to weight-loss specialists.
In 2010, she synthesized years of experience into her bestselling book, The Metabolism Miracle, catapulting her into the spotlight as one of the top dietitians in the United States. Her approach, widely known as the Metabolic Diet, has inspired numerous adaptations and interpretations, reflecting its widespread popularity.

Diane Kress’s unique perspective on excess weight aligns with other renowned experts like Usama Hamdy, creator of the “Chemical Diet,” and David Perlmutter, author of Grain Brain, which explores how carbohydrates impact health and cognition.
- Explore: Usama Hamdy's Chemical Diet – history, results, and a full 4-week meal plan.
Working closely with individuals struggling with obesity, Kress noticed a critical flaw in most popular diets: they often recommend avoiding fats, cutting calories, counting points, increasing activity, or simply eating less, claiming universal effectiveness.
However, reality shows many quit due to hunger and discomfort, fail to lose weight, or regain it quickly after strenuous efforts.
Kress explains that obesity is not simply caused by overeating or inactivity. Instead, she identifies a condition she calls “Metabolism B” to contrast with normal “Metabolism A.”
“Metabolism B” corresponds to terms like Metabolic Syndrome, Insulin Resistance Syndrome, or the “Lazy Metabolism.” It is a complex disorder triggered by unhealthy lifestyles and excessive intake of refined carbohydrates. This condition hampers the body's glucose utilization, leading not only to weight gain but also to cardiovascular and gynecological diseases.
Metabolic disruption causes erratic insulin spikes, resulting in intense hunger and potential fainting when food is withheld—making conventional strict diets ineffective for those affected.
Excess insulin draws glycogen from the liver, raising blood glucose and promoting fat storage. Those with “Metabolism B” become carbohydrate addicts: eating without satisfaction, sleeping without rest, and struggling to lose weight despite efforts.
Treatment of Metabolic Syndrome is lengthy, costly, and unpredictable. Genetics may play a role, as many overweight children inherit tendencies from their ancestors’ dietary habits.
Kress warns that “Gene B” may lie dormant until triggered by stress, prolonged inactivity, or hormonal imbalance, causing sudden weight gain and despair over regaining fitness.
The Metabolic Diet proposes a comprehensive detox to reboot metabolism through a targeted nutritional strategy.
The Three Phases of the Metabolic Diet
Diane Kress’s Metabolic Diet unfolds in three stages, each varying in duration and carbohydrate allowance. Below is a convenient list of permitted and forbidden carbohydrates and foods applicable throughout the diet.
Phase One: Lasts 8 weeks; allows 25 grams of approved carbohydrates daily plus permitted foods.
Phase Two: Continues until desired weight is reached; allows 60 grams of approved carbohydrates daily plus permitted foods.
Phase Three: Indefinite duration, suitable as a lifelong eating style; includes permitted foods plus moderate amounts of “slow” carbohydrates like whole grains and low-glycemic fruits to maintain well-being and stable weight.
Refer to the Glycemic Index table for detailed guidance.
The first phase, focused on carbohydrate withdrawal, is the most critical, while phases two and three allow you to enjoy the benefits of your initial efforts.
Breaking Free from Carbs
The initial “Carbohydrate Rehab” phase lasts two months and aims to:
Interrupt the vicious cycle of high blood sugar and insulin spikes by eliminating carbohydrates.
Deplete liver glycogen stores that feed insulin production in the absence of dietary carbs.
Kress acknowledges that extended low-carb or zero-carb diets are not balanced or healthy but considers this two-month restriction the least harmful and most effective way to reset insulin dysfunction.
Eight weeks is sufficient for the pancreas to recover and normalize insulin production, restoring healthy cellular responses.
During phase one, daily carbohydrate intake is capped at 25 grams, ideally spread evenly across meals. The recommended meal frequency is five times daily, starting within an hour of waking and including a light snack before bedtime. Hydration is essential, with a minimum of 1.5 liters of water plus up to 500 ml of unsweetened, caffeine-free beverages like herbal tea.
While carbohydrates are restricted, other foods can be consumed freely but portion control remains important to support weight loss and health.
Gentle cooking methods such as steaming, grilling without oil, or baking are advised. Limit salt intake to the first half of the day, use spices liberally, and moderate natural, non-caloric sweeteners like stevia.
Mastering Insulin Control and Progressing Forward
Kress cautions that days 3 to 10 are the most challenging due to carbohydrate withdrawal symptoms. However, after this period, cravings for sweets and constant snacking dramatically diminish.
Upon completing the eight-week phase one, you advance to phase two, which lasts until you reach your target weight. Here, carbohydrate allowance increases to 60 grams daily from the approved list, divided over three meals.
Phase three introduces more flexibility while maintaining restrictions on baked goods, sweets, fast food, potatoes, white rice, and most fruits. You may add whole grains, cereals (excluding wheat and white rice), and unsweetened fruits in moderate amounts for a balanced diet.
If insulin levels rise again—signaled by weight gain or feeling unwell—return to phase two temporarily.
Essential Food Lists for the Metabolic Diet
Carbohydrates
Strictly prohibited during phases one and two:
Breads and baked goods, pasta, rice and other grains, sweet and salty cookies and crackers, cereals and dry breakfasts, muesli, fruits and fruit juices, all types of potatoes, carrots, beets, lentils, mature beans and peas, pumpkin and pumpkin seeds, milk, yogurt, commercial desserts, sweets, sugary drinks including those with sweeteners.
Limited carbohydrates (25 grams daily in phase one, 60 grams in phase two):
Rye crispbreads and seed-based crackers (not puffed rice types), low-carb crackers and tortillas, desserts without sucrose or fructose, plain yogurts without added sugars.
Note: To calculate net carbs, subtract dietary fiber from total carbohydrates per serving. For example, a cracker with 6 g total carbs and 1.8 g fiber contains 4.2 g net carbs, suitable for one meal in phase one.
Other permitted foods throughout all phases:
Fats
Butter (72% fat), low-fat sour cream (15%), cream (10%), vegetable oils, nuts, seeds, avocados—all in moderation.
Proteins
Lean meats, skinless poultry, fish fillets, seafood, low-fat cheeses and cottage cheese, unsweetened peanut butter, tofu, unsweetened soy milk, eggs, vegetarian soy meat substitutes.
Vegetables and Greens
Non-starchy vegetables: artichokes, asparagus, eggplants, green and string beans and sprouts, broccoli, Brussels sprouts, cabbage varieties, celery greens, turnips, cucumbers, leafy greens, dill, mushrooms, okra, bell peppers, radishes, sauerkraut, tomatoes (up to one medium per meal), tomato juice.
Exercise: The Vital Complement
Diane Kress emphasizes that regular physical activity is essential for successful weight loss and metabolic health. Begin exercising once the initial carb withdrawal symptoms subside, improving energy and mood.

The Metabolic Diet not only helps you regain control over your body and appetite but also alleviates the adverse effects of chronic carbohydrate overload. Could this be the breakthrough you’ve been searching for?
Image credit: Getty Images
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