Life Extension D,L-Phenylalanine Capsules 500mg 100 VegCaps
L-phenylalanine is an essential amino acid that can be converted to L-tyrosine in the liver. L-tyrosine can be converted in the brain and in the adrenal glands to dopamine, norepinephrine, and epinephrine (adrenaline) hormones that are depleted by stress, overwork and certain drugs. By replenishing norepinephrine in the brain, mental energy levels are enhanced and a feeling of contentment often occurs. The conversion step from L-tyrosine to norepinephrine may be enhanced if the co-factors (vitamins B6 and C) are included.198-204
Cells in the adrenal medulla synthesize and secrete norepinephrine and epinephrine. Since both norepinephrine and epinephrine can cause smooth muscle (arterial) contraction, care with blood pressure should be taken when supplementing with L-phenylalanine.
D,L-phenylalanine is a 50/50 mixture of its two stereoisomers.
Serving Size 1 vegetarian capsule
Servings Per Container 100
D,L-phenylalanine 500 mg
Other ingredients: vegetable cellulose (capsule), microcrystalline cellulose, vegetable stearate.
Dosage and Use: Take one capsule daily on an empty stomach in the morning, or as recommended by a healthcare practitioner. Best utilized if taken with the co-factors vitamins B6 and C.
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