Tap / click on image to see more RealViewsTM
CA$15.20
per keychain
From Tryptophan To Serotonin (Chemistry Humour) Keychain
Qty:
Style
Aluminum Circle
+CA$1.35
+CA$1.35
+CA$33.00
+CA$33.00
About Keychains
Sold by
About This Design
From Tryptophan To Serotonin (Chemistry Humour) Keychain
No need to be a chemistry major or milk drinker to enjoy wry educational humour with any of these chemical molecule gifts featuring how tryptophan becomes serotonin. Make others do a double-take when you showcase "From Tryptophan To Serotonin - No Wonder Why Drinking Milk Has Such A Calming Effect". Scientific attitude gifts to calm down your chemical side!
Customer Reviews
4.6 out of 5 stars rating5.5K Total Reviews
5,481 Reviews
Reviews for similar products
5 out of 5 stars rating
By linda f.June 18, 2025 • Verified Purchase
Premium Round Keychain, Small (3.65 cm)
So cute and this is perfect!!!
from zazzle.com (US)
5 out of 5 stars rating
By J.December 1, 2024 • Verified Purchase
Metal Circle Keychain, 5.08 cm
Beautifully made, picture has excellent qualiry. I just love it! Thank you!
5 out of 5 stars rating
By Sabah P.April 12, 2023 • Verified Purchase
Metal Circle Keychain, 5.08 cm
Zazzle Reviewer Program
Exactly the same as the picture looks great! Perfect. It looks dark and is the same as the photos.
Tags
Other Info
Product ID: 146843808343815802
Designed on 2010-01-10, 12:12 PM
Rating: G
Recently Viewed Items
