“Serotonin”, the common meme card
Serotonin is one of the meme cards you collect in MyMemeCards, the meme card game. “Serotonin” is a a common card of the Memes World series 33, number 9754 of the collection.

- Number
- No. 9754
- Rarity
- Common
- Collection
- Memes World series 33
- Meme since
- 1948
- Fame
- 61/100
- Recycle value
- 5 MemeCoins (15 in Shiny)
- Meme page views
- 23,207
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Where the “Serotonin” meme comes from
The brain's happiness chemical regulating mood, appetite, sleep, and memory. Internet culture worships it as the key to feeling good.
On the card: it spread from 1948, its meme page counts 23,207 views.
How to get the “Serotonin” meme card
Every pack holds 5 meme cards, the first 3 of them Common; Serotonin comes out of the Memes World series 33 as a common card. The pack odds say what each rarity is worth opening.
Your first pack is free and needs no account. After that you sign in with Google and a new free pack lands every 10 minutes, up to 3 waiting for you. You can also buy the card with MemeCoins on the market, bid for it at auction, or trade it with another collector — and a card you keep in double recycles into 5 MemeCoins.
Meme cards to collect next to Serotonin
See every card of the Memes World series 33 · browse all meme cards
Frequently asked questions
How do I get the Serotonin meme card?
Open a pack of MyMemeCards: “Serotonin” is a common card of the Memes World series 33. Your first pack is free, with no account, and you can also buy, trade or win the card at auction.
How rare is the Serotonin card?
It is a Common card. Rarity decides which pack slot can deal it, and what it is worth on the market.
What is the Serotonin card worth?
Recycling it gives 5 MemeCoins, three times that for a Shiny printing. Its market price is set by the collectors' own listings and auctions.
Is MyMemeCards free?
Yes. Opening packs and collecting meme cards costs nothing: a free pack every 10 minutes, up to 3 in reserve.
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