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L-Tryptophan ,Powder 2 oz
Prices as of September 29, 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
$23.92$23.92
Sep 16 · Macy'sSep 16 on Macy's
Best price
$23.92$23.92
−0% vs high0% below 14-day high
14-day high
$23.92$23.92
All storesAcross all tracked stores
Today's best price is the lowest AskPrice has recorded · tracked since Apr 2026.
$24$24$24
Sep 16Sep 29
- Macy's
About this product
NOW Foods L-Tryptophan is a dietary supplement in powder form that supports mental well-being by aiding serotonin production, which helps regulate mood, sleep, and appetite. The powder can be easily mixed into beverages or foods for convenient daily use. It is manufactured in the USA and formulated to support overall emotional balance and restful sleep.
- L-Tryptophan amino acid
- Supports mood and sleep
- Mixes into beverages
- Made in USA
- Dietary supplement
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