L-Pyroglutamic Acid 1000mg 120 tabs from Source NaturalsL Pyroglutamic Acid 1,000 mg L Pyroglutamic Acid is believed to be associated with activity of the key neurotransmitter, acetylcholine, and with the production of GABA and glycine, two other important neurotransmitters. Supplement Facts Serving Size: 3 tablets Amount %DV L Pyroglutamic Acid 3,000 mg Other Ingredients: stearic acid, vegetable fiber, modified cellulose gum, colloidal silicon dioxide and magnesium stearate. Warning: If you are pregnant