Life Extension, D, L-Phenylalanine Capsules, 500 mg, 100 vegetarian capsules Water Retention Our muscle recovery support supplement

Our muscle recovery support supplement is packed with potent antioxidant help

Contains a clinically studied botanical ingredient with antioxidant properties

Vitamin D’s role in helping the body absorb and retain both calcium and phosphorus is critical to building bone

It is here in the blood stream where the nattokinase goes to work

Shellfish-free glucosamine and chondroitin combination

Life Extension, D, L-Phenylalanine Capsules, 500 mg, 100 vegetarian capsules Water Retention Our muscle recovery support supplementDescription 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