Life Extension, D, L-Phenylalanine Capsules, 500 mg, 100 vegetarian capsules Water Retention Vitamin D’s role in helping

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

The medieval Persian physician Avicenna developed the distillation techniques for extracting these delicate

Contains a clinically studied botanical ingredient with antioxidant properties

Vitamin C (as ascorbic acid) - 15 mg

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

Life Extension, D, L-Phenylalanine Capsules, 500 mg, 100 vegetarian capsules Water Retention Vitamin D’s role in helpingDescription 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