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Sale Price $28.10.
Original Price $33.05 Comp. value
per shirt
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Tryptophan For Better Sleep (Chemical Molecule) T-Shirt
Qty:
Style
Basic T-Shirt
-$1.95
+$13.65
+$12.90
Color & Print Process
White
Classic Printing: No Underbase
About T-Shirts
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About This Design
Tryptophan For Better Sleep (Chemical Molecule) T-Shirt
If you have insomnia or just need better sleep, you'll enjoy this chemistry geek humor gift tee that features the tryptophan molecule. Says: "Tryptophan For Better Sleep". Educate others on how to get a good night's rest with scientific attitude!
Customer Reviews
4.7 out of 5 stars rating31.9K Total Reviews
31,926 Reviews
Reviews for similar products
5 out of 5 stars rating
By Jerry S.July 5, 2025 • Verified Purchase
Basic T-Shirt, White, Adult L
Have had Zazzle complete a number of T-shirt projects in the past. This one had several design elements. It was well done. I will work with Zazzle again.
2 out of 5 stars rating
By Mas B.August 8, 2025 • Verified Purchase
Basic T-Shirt, White, Adult S
The T shirt seems to be made from decent material but appears to be an irregular t-shirt sewn and stitched. .
5 out of 5 stars rating
By Suzanne W.May 13, 2024 • Verified Purchase
Basic T-Shirt, White, Adult L
Sadly my dad passed away before he had the chance to have this delivered. We worked hard together making this design and it was really sad to receive this after he died. I have the shirt folded up near me though.
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Other Info
Product ID: 235379088501068335
Created on: 3/15/2009, 10:55 PM
Rating: G
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