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L - Phenylalanine ,500 mg ,120 Caps

Prices as of September 30, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$16.32
Sep 17 · Macy's
Best price
$16.32
−0% vs high
14-day high
$16.32
All stores

Today's best price is the lowest AskPrice has recorded · tracked since Aug 2025.

$16$16$16
Sep 17Sep 30
  • Macy's
Price has held at $16.32 for the past 14 days.

About this product

NOW Foods L-Phenylalanine is a dietary supplement containing 500 mg of the essential amino acid per capsule. This formulation supports neurotransmitter production, particularly dopamine and norepinephrine, which are involved in mood regulation and cognitive function. It may also assist with managing chronic pain and maintaining mental alertness. The product is manufactured in the USA and may exhibit natural color variation.

  • 500 mg per capsule
  • supports neurotransmitter health
  • may aid chronic pain management
  • made in USA
  • natural color variation possible

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L - Phenylalanine ,500 mg ,120 Caps — Price Tracker & History