Safety & interactions
Casein is a milk protein and is unsuitable for milk-protein allergy; lactose content varies. Total dietary protein and energy matter more than timing a specific powder.
Casein protein supplies a nutrient or bioactive compound intended to alter a defined physiological pathway. The relevant form, baseline status and product quality determine whether the proposed mechanism is clinically meaningful.
Purpose, evidence and practical considerations.
Casein is a milk protein and is unsuitable for milk-protein allergy; lactose content varies. Total dietary protein and energy matter more than timing a specific powder.