Douglas Laboratories Sereniten Plus combination of Lactium casein decapeptide. L-Theanine and Vitamin D to support the Hypothalamic-Pituitary-Adrenal (HPA) axis and feedback loop for stress management and cortisol regulation. Lactium and L-Theanine have been shown to provide a calming effect and may support normal sleep that is effected by stress. For Stress and to re-establish the HPA Axis. Recommended Use: Take 1 capsule daily on an empty stomach or as directed by a healthcare professional.Douglas Laboratories Sereniten Plus Facts: 1 vegetarian capsule contains: Vitamin D3 (as cholecalciferol) 2.5 mcg (100 IU) Casein Hydrolysate (milk, Lactium) 175 mg L-Theanine (suntheanine) 50 mg Other Ingredients: Microcrystalline cellulose, hydroxypropyl methylcellulose (capsule) and silica. Contains Milk.