specific dynamic action


spe·cif·ic dy·nam·ic ac·tion (SDA),

increase of heat production caused by the ingestion of food, especially of protein.

spe·cif·ic dy·nam·ic ac·tion

(SDA) (spĕ-sif'ik dī-nam'ik ak'shŭn) Increase of heat production caused by the ingestion of food, especially of protein.

specific dynamic action

Stimulation of the metabolic rate by ingestion of certain foods, esp. proteins.See also: action