Rule Systems

The Autoimmune Protocol — an elimination diet that removes grains, legumes, dairy, eggs, nuts, seeds, nightshades, and processed foods, with guidelines designed to reduce potential immune-system triggers.

A dietary pattern that emphasizes alkaline-forming foods such as fruits, vegetables, and legumes while limiting acid-forming foods like meat, dairy, grains, and processed items.

A dietary pattern emphasizing whole foods — fruits, vegetables, fatty fish, nuts, and olive oil — while avoiding processed foods, refined sugars, and inflammatory fats, with guidelines that classify foods based on their inflammatory potential.

A dietary pattern consisting exclusively of animal-derived foods — meat, fish, eggs, and select dairy — with guidelines that exclude all plant-based foods, grains, and sweeteners.

Dietary Approaches to Stop Hypertension — a dietary pattern emphasizing fruits, vegetables, whole grains, and lean proteins while limiting sodium, saturated fat, and added sugars.

A dietary pattern focused on blood-sugar stability, with guidelines that classify foods based on glycemic impact, added sugar content, and refined carbohydrate levels.

A dietary rule system that eliminates wheat, barley, rye, and their derivatives, with published guidelines that classify foods and ingredients based on gluten content and cross-contamination risk.

A dietary system based on Islamic dietary laws that classify foods as permitted (halal) or forbidden (haram), with rules governing animal species, slaughter methods, and the absence of alcohol or pork derivatives.

A dietary pattern that emphasizes protein intake above 25-30% of total calories, with guidelines that classify foods based on protein density and macronutrient balance.

A dietary rule system focused on low-carbohydrate, high-fat intake, with published guidelines that classify foods and ingredients based on net carbohydrate content and macronutrient ratios.

A dietary pattern that limits sodium, potassium, phosphorus, and protein intake, with guidelines that classify foods based on their renal nutrient load.

A dietary system based on Jewish kashrut laws that classify foods as permitted or forbidden, with rules governing animal species, slaughter methods, and the separation of meat and dairy.

A dietary pattern that restricts carbohydrate intake below 100-150 g per day, with guidelines that classify foods based on net carbohydrate content, emphasizing proteins, fats, and non-starchy vegetables.

A dietary pattern that limits total fat intake to 20-35% of total calories, with guidelines that classify foods based on fat content, emphasizing lean proteins, whole grains, and produce.

A dietary pattern that limits fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAPs), with guidelines that classify foods based on their fermentable carbohydrate content.

A dietary pattern that restricts sodium intake to under 2,300 mg per day, with guidelines that classify foods based on sodium content from processing, curing, and added salt.

A dietary pattern emphasizing whole foods, olive oil, vegetables, legumes, and fish, with published guidelines that limit ultra-processed foods, added sugars, and refined ingredients.

A dietary rule system with published guidelines that classify foods and ingredients, distinguishing between whole-food and processed or agricultural categories including grains, legumes, dairy, and refined sugars.

A dietary pattern that excludes meat and poultry but includes seafood, dairy, eggs, and all plant-based foods, with guidelines distinguishing between land-animal and aquatic-animal sources.

A dietary pattern centered on uncooked and minimally processed foods, with guidelines that classify foods based on whether they have been heated above approximately 118°F (48°C).

A dietary pattern that eliminates added sugars and caloric sweeteners, with guidelines that classify foods based on whether they contain added sugar, honey, syrups, or other caloric sweetening agents.

A dietary rule system that excludes all animal-derived foods and ingredients, with published guidelines that classify foods based on whether they come from plant or animal sources.

A dietary pattern that excludes meat, poultry, and seafood while permitting dairy products, eggs, and all plant-based foods, with guidelines based on whether a food requires animal slaughter.

A dietary pattern that emphasizes minimally processed, whole foods in their natural state while avoiding refined, packaged, and heavily processed products.

A 30-day dietary rule system with published guidelines that classify foods and ingredients across categories including grains, legumes, dairy, sweeteners, alcohol, and certain additives.