NOW
NOW L-Phenylalanine 500 mg (120 VCaps)
Essential amino acid supports healthy mood and mental clarity
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Why Choose This Product
MOOD SUPPORT
Converts to tyrosine, the building block for dopamine and norepinephrine — your brain's key mood-regulating neurotransmitters.
MENTAL CLARITY
Supports memory and learning by providing the raw material your nervous system needs to function optimally.
APPETITE BALANCE
Helps regulate appetite naturally through its role in neurotransmitter synthesis.
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How It Works
How It Works
L-Phenylalanine is an essential amino acid your body converts into tyrosine, which then becomes dopamine and norepinephrine — neurotransmitters that regulate mood, focus, and appetite. Unlike synthetic alternatives, this free-form amino acid is immediately bioavailable for protein synthesis and neurotransmitter production.
Who It's For
Adults seeking natural mood support, athletes managing training stress, or anyone looking to support healthy neurotransmitter function. Ideal for those who prefer amino acid supplementation over synthetic alternatives.
Who It's Not For
Not suitable for people with high blood pressure without physician consultation. Avoid if you have phenylketonuria (PKU).
About This Product
What It Does
NOW L-Phenylalanine delivers the building blocks your brain needs for balanced mood and sharp mental function. This essential amino acid converts directly to tyrosine, then to dopamine and norepinephrine — the neurotransmitters that keep you mentally sharp and emotionally balanced.
Why It Works
- NEUROTRANSMITTER PRECURSOR: Converts to tyrosine, then dopamine and norepinephrine for mood and focus support.
- FREE-FORM ADVANTAGE: Unlike bound amino acids, free-form L-Phenylalanine requires no digestion — your body uses it immediately.
- ESSENTIAL AMINO ACID: Your body can't make it, so dietary sources or supplementation are necessary for optimal nervous system function.
What's Inside
Pure L-Phenylalanine in vegetarian capsules with no unnecessary fillers. Free from sugar, gluten, corn, soy, and preservatives. Natural settling may occur as capsules are filled by weight.
Why we carry it: NOW consistently delivers pharmaceutical-grade amino acids without the premium pricing — real quality that actually works.
How to Take
Full Ingredients
| Supplement Facts | ||
| Servings Size: 1 Capsule | ||
| Servings Per Container: 120 | ||
| Amount per Serving | % Daily Value | |
| L-Phenylalanine | 500 mg | * |
| * Percent Daily Values are based on 2,000 calorie diet. | ||
| † Daily Value not established. | ||
| Other Ingredients: Gelatin (capsule). | ||
| Contains no: sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. | ||
| Caution: Persons with high blood pressure should consult a physician before using. | ||
| NOW® L-Phenylalanine is a free-form and natural L-form amino acid. Settling of powder may occur in the capsule, which is filled by weight without added fillers. | ||
| Store in a cool, dry place. | ||
Customer Reviews
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Questions & Answers
Research & Science
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