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$34.60
per shirt
Serotonin T-Shirt
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Style
Basic T-Shirt
+$18.75
+$40.50
Colour & Print Process
White
Classic Printing: No Underbase
Vivid Printing: White Underbase
+$8.55
About T-Shirts
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About This Design
Serotonin T-Shirt
Serotonin (pronounced /ˌsɛrəˈtoʊnən/) (5-hydroxytryptamine, or 5-HT) is a monoamine neurotransmitter synthesized in serotonergic neurons in the central nervous system (CNS) and enterochromaffin cells in the gastrointestinal tract of animals including humans. Serotonin is also found in many mushrooms and plants, including fruits and vegetables.
Customer Reviews
4.5 out of 5 stars rating15.2K Total Reviews
15,154 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Ritz M.14 December 2020 • Verified Purchase
Basic T-Shirt, White, Adult M
Zazzle Reviewer Program
Love how the print turn out for an affordable price. My tshirt looks really good
5.0 out of 5 stars rating
5 out of 5 stars ratingBy H.17 October 2021 • Verified Purchase
Basic T-Shirt, Black, Adult S
Zazzle Reviewer Program
Look i bought this t-shirt for my wifey in a small. Its was way to small, it must of been a small fit. I wrote to Zazzle and they fixed it immediately and I received a new T very promptly. My wife absolutely adores it and says it’s so very comfortable. 10/10
Thanks Zazzle. Excellent printing, excellent color Actually its a excellent T-Shirt . Im so glad a found Zazzle im very impressed
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Lili T.24 October 2025 • Verified Purchase
Basic T-Shirt, White, Adult S
Good quality and clear photo.
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Other Info
Product ID: 235784410067793752
Added on 16/2/09, 11:44 am
Rating: G