About the product
- Neurotransmitters Phenylalanine is an amino acid. The liver converts it to L-tyrosine, which your body uses to make the neurotransmitters dopamine, norepinephrine and adrenaline.
- Mood health Phenylalanine supplementation helps your body synthesize neurotransmitters like dopamine. Studies suggest phenylalanine promotes mood health.
- Brain health Phenylalanine also supports norepinephrine production. Norepinephrine protects brain cells by promoting a healthy inflammatory response and inhibiting oxidative stress.
- Science matters Expert formulators design our supplement formulas, and a Certificate of Analysis is available for every Life Extension product.
- Quality ingredients The majority of our products are non-GMO, gluten-free and manufactured in the USA with internationally sourced ingredients.
