Life Extension, D, L-Phenylalanine Capsules, 500 mg, 100 vegetarian capsules Water Retention L-Carnitine is an amino acid

L-Carnitine is an amino acid that is naturally produced by the body and found in most of the muscle tissue in your body

Contains a clinically studied botanical ingredient with antioxidant properties

Adults take 1 tablet daily or as directed by a physician

Shellfish-free glucosamine and chondroitin combination

Mixes Well With: clary sage

Life Extension, D, L-Phenylalanine Capsules, 500 mg, 100 vegetarian capsules Water Retention L-Carnitine is an amino acidDescription Phenylalanine supplementation helps in the production of healthy neurotransmitters (dopamine, norepinephrine and epinephrine). Clinical trials suggest it may promote positive moods. Phenylalanine is an essential amino acid, which means your body can't produce sufficient amounts and requires it from an external source. It's converted to L tyrosine in the liver, which is then converted into dopamine, norepinephrine and epinephrine