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CA$15.05
per keychain
 

Serotonin Keychain

Qty:
Aluminum Circle
+CA$3.90
+CA$3.90
+CA$19.25
+CA$19.25

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Serotonin Keychain

Serotonin Keychain

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

4.6 out of 5 stars rating5.5K Total Reviews
4280 total 5-star reviews790 total 4-star reviews218 total 3-star reviews118 total 2-star reviews103 total 1-star reviews
5,509 Reviews
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Beautifully made, picture has excellent qualiry. I just love it! Thank you!
4 out of 5 stars rating
By Joanne G.February 27, 2026Verified Purchase
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They are beautiful but the second batch the border was wider taking away from the picture.
5 out of 5 stars rating
By Ali Y.February 4, 2026Verified Purchase
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serotoninsciencemoleculenervoussystem
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Other Info

Product ID: 146797192286076877
Designed on 2009-02-16, 11:44 AM
Rating: G