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L-Tryptophan ,500 mg ,60 Vcaps

Prices as of September 27, 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
$15.86
Sep 14 · Macy's
Best price
$15.86
−0% vs high
14-day high
$15.86
All stores

Today's best price is the lowest AskPrice has recorded · tracked since Apr 2026.

$16$16$16
Sep 14Sep 27
  • Macy's
Price has held at $15.86 for the past 14 days.

About this product

NOW Foods L-Tryptophan is a dietary supplement containing 500 mg of the essential amino acid per capsule. This supplement supports the body's natural production of serotonin and melatonin, which contribute to mood balance, sleep regulation, and immune system function. As an essential amino acid, L-tryptophan must be obtained through diet or supplementation. Each batch undergoes testing for Peak E and microbial contamination, ensuring purity and safety. The product is manufactured in the USA.

  • 500 mg per capsule
  • essential amino acid
  • supports sleep and mood
  • made in USA
  • free of Peak E
  • microbial tested

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L-Tryptophan ,500 mg ,60 Vcaps — Price Tracker & History