Source Naturals, Melatonin liquid Orange Sublingual, 4 oz Sublingual Seasonal Cold Support Researchers believe that D-phenylalanine (DPA)

Researchers believe that D-phenylalanine (DPA) inhibits the action of an enzyme that breaks down endorphins and enkephalins

development of the reproductive organs

and stability of the silver particles

Proprietary Blend: L-Lysine

Manganese (as manganese citrate) - 5 mg

Source Naturals, Melatonin liquid Orange Sublingual, 4 oz Sublingual Seasonal Cold Support Researchers believe that D-phenylalanine (DPA)Melatonin is a neurohormone produced in humans by the pineal gland. A favorite of travelers, it governs the body's circadian rhythms, helping the body ease into restful sleep. Melatonin is also a potent antioxidant. Packaging 4 oz Suggested Use 1 to 3 droppersful before bedtime. A dropperful is approximately 1. 0 ml (1 mg). Place liquid under the tongue and allow to remain for 30 to 45 seconds before swallowing. Do not take more than 3 droppersful (3.