Melatonin P.R., provided by Douglas Laboratories®, contain 3 mg of the purest pharmaceutical grade of melatonin, in a prolonged-release, bisected tablet.
Melatonin is a natural hormone nutrient that is synthesized from the amino acid tryptophan by the pineal gland in the back of the brain. Melatonin also occurs in small amounts in a variety of foods. In the body, melatonin appears to regulate sleep/wake cycles, support normal immune function, and protect cells from free radical damage.
Dosage: As a dietary supplement, adults take 1 tablet 1 hour before bedtime as directed by your healthcare professional only.