Pharmaceutical Grade, Free-Form Promotes Restful Sleep Nervous System Support Glycine is the smallest and simplest amino acid, making it versatile for use in a wide range of functions. Glycine is necessary for the production of glutathione, DNA, creatine, bile, hemoglobin, and most proteins. It also helps to promote glycogen storage, thereby making glucose readily available for energy production. Glycine also functions as a calming neurotransmitter in the brain, where it facilitates nerve impulses and is important for the maintenance of healthy sleep patterns. Supplement facts: Serving Size: 1/4 Level Teaspoon (1.0 g) Serving Per Container: 454 Amount Per Serving: Glycine (Free-Form) 1g (1000mg) Glycine Other Ingredients: None. Contains no: sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. Glycine Recommended Use: Take 1/4 level teaspoon mixed in water 1 to 3 times daily. Warning: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.