Cart Summary

Oh no, your cart is empty.

Add something awesome to it!

Serotonin - This is Happy T-Shirt

Serotonin T-Shirt

Designed and Sold by PlanetJoe

Serotonin - This is Happy

Color: White

View Size Chart
$14 $22
TeePublic GuaranTee Badge

Don’t love it? We’ll fix it. For free.

TeePublic GuaranTee »

Wanna see even more designs?

Search serotonin

Serotonin T-Shirt

Where can I find other serotonin designs? Expand or collapse section.
In addition to serotonin designs, you can explore the marketplace for happiness, depression, and scientist designs sold by independent artists.
What material is this item made of? Expand or collapse section.

100% combed ringspun cotton. The perfect fabric for a graphic tee and the softest in the business. (Due to product availability, cotton type may vary for 2XL and 3XL sizes) Learn More »

What USA ship methods are available? Expand or collapse section.

Standard (5-8 Business Days)

FedEx Air (4-6 Business Days)

Estimates include printing and processing time. More Shipping Info »

What is the Return/Exchange policy? Expand or collapse section.

We want you to love your order! If for any reason you don't, let us know and we’ll make things right. Learn More »