Source Naturals, Ultra Colloidal Silver Nasal Spray 10ppm, 2 oz General Health Researchers believe that D-phenylalanine (DPA)

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

L-Ornithine (HCl) - 638 mg

Vitamin B-6 (as pyridoxine HCl) - 85 mg

L-Phenylalanine is the predecessor to two neurotransmitters that help support an alert state

Source Naturals, Ultra Colloidal Silver Nasal Spray 10ppm, 2 oz General Health Researchers believe that D-phenylalanine (DPA)Ultra Colloidal Silver Nasal Spray is produced through a unique electrical process that ensures homogeneity, minute particle size, and stability of the silver particles. Packaging 2 fluid ounces Suggested Use For moisturizing dry nasal passages Adults: 1 to 4 sprays (approx. 0. 14 ml each) for no more than 10 days at a time. This product is not intended for continuous use. Children: Take 1 2 of the adult usage. Insert attached sprayer into the bottle.