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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 rating31.6K Total Reviews
31,572 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 Tina H.September 5, 2021 • Verified Purchase
Basic T-Shirt, Grey, Adult S
Creator Review
Both guys are getting laughs from wearing their funny vaccine lab rat shirts! Great printing looks exactly like the picture online
Tags
Other Info
Product ID: 235379088501068335
Created on: 3/15/2009, 10:55 PM
Rating: G
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