Servings of alfalfa below 3oz/84g are FODMAP friendly and should be tolerated well by most people.
Servings of 6oz/168g and up contain moderate amounts of Fructose and might cause flareups in people who are sensitive.
Alfalfa, also called lucerne and called Medicago sativa in binomial nomenclature, is a perennial flowering plant in the legume family Fabaceae. It is cultivated as an important forage crop in many countries around the world.
Raw alfalfa seed sprouts are 93% water, 2% carbohydrates, 4% protein, and contain negligible fat. In a 100 gram reference amount, raw alfalfa sprouts supply 23 calories and 29% of the Daily Value of vitamin K. They are a moderate source of vitamin C, some B vitamins, phosphorus, and zinc.