Because the restrictive nature of the food list made it impossible to meet nutritional needs through whole foods alone, the program relied heavily on synthetic protein sachets, vitamins, and herbal supplements.
The diet often fell well below the 1,200-calorie threshold generally considered the minimum for safe, unmonitored weight loss. Diets with such low energy intake can lead to fatigue, dizziness, and fainting. The Karl Lagerfeld Diet.pdf
Diets involving extreme calorie restriction are classified as Very Low-Calorie Diets (VLCDs). Such protocols can be hazardous and generally require professional medical monitoring to prevent complications like gallstones, fatigue, or heart strain. Because the restrictive nature of the food list
The most restrictive phase, often involving a caloric intake as low as 800–900 calories per day. This stage relies heavily on protein supplements and specific low-carbohydrate vegetables. This stage relies heavily on protein supplements and