Although alfalfa sprouts are very nutritious, they contain naturally toxic ingredients, such as L-Canavanine sulfate, which is a toxic alkaline amino acid that may cause autoimmune diseases in mammals and damage the immune system. Loss of regulatory function, mistaking cells in one's own body for antigens, and producing antibodies to fight, destroying one's own body and causing disease.

Patients with lupus erythematosus should avoid eating alfalfa sprouts. Alfalfa can cause disease in monkeys and may also worsen the condition of SLE patients. Ingesting a large amount of alfalfa sprouts may destroy various human blood cells and reduce the number of various blood cells, such as anemia or rare blood cells and platelets. Patients are therefore prone to infection and bleeding and other symptoms.

Extended information:

Morphological characteristics of alfalfa

Annual or perennial herb, sparse shrub, no vanilla smell. Pinnately compound leaves, alternate, stipule part connate with petiole, entire or toothed, leaflets 3, edges usually serrated, lateral veins extending straight to the tooth tip. Racemes are axillary, sometimes capitate or solitary, flowers are small, usually with pedicels; bracts are small or absent; calyx is bell-shaped or tubular, with 5 calyx teeth, equal length;

Corolla yellow, Alfalfa and other hybrids are often purple, viola, brown, etc., the flag valve is obovate to oblong, the base is narrow, often reflexed, the wing valve is oblong, and there is an ear-shaped body with a tooth tip protrusion and a keel valve on one side. Hooked to each other, detached after pollination, keel petals have blunt ends;

The stamens are two-bodied, the top of the filament is not enlarged, and the anthers are of the same shape; the style is short, tapered or linear, slightly flat on both sides, hairless, and columnar. Top of head, ovary linear, sessile or short-stalked, ovules 1 to many.

Baidu Encyclopedia-Alfalfa