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Functional Mushroom Seltzers · No Alcohol · No Caffeine

Products

Caffeine-free sparkling drinks made with Lion's Mane, Cordyceps and Red Reishi mushrooms, plus magnesium and calcium from ocean minerals. No alcohol, no crash, no artificial sweeteners. Free shipping on every order, no minimum.

🍄 100% Fruiting Body ✅ 0% Alcohol ⚡ Caffeine-Free 🧪 Third-Party Lab Tested 🌿 Vegan & Non-GMO
Blue Razzberry Functional Mushroom Drink — 6-Pack

Blue Razzberry Functional Mushroom Drink — 6-Pack

Electric blue vibes meet plant-powered clarity. Tangy, refreshing, an...

Starting At
$23.99
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TOP SELLER Build Your Own Fungi Fusion Pack — 12 or 18 or 24 Cans

Build Your Own Fungi Fusion Pack — 12 or 18 or 24 Cans

Your flavors. Your ratios. One box. Pick your size — 18 or 24 cans — ...

Starting At
$41.99
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TOP SELLER Fungi Fusion Functional Mushroom Drink Variety Pack — 12 Cans

Fungi Fusion Functional Mushroom Drink Variety Pack — 12 Cans

Three flavors. One clean-energy can. Made for whatever your day looks...

Starting At
$41.99
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Mango Mimosa Functional Mushroom Drink — 6-Pack

Mango Mimosa Functional Mushroom Drink — 6-Pack

Tropical vibes meet feel-good fizz. A bright, juicy sparkling mango d...

Starting At
$23.99
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Watermelon Functional Mushroom Drink — 6-Pack

Watermelon Functional Mushroom Drink — 6-Pack

Juicy refreshment meets focused energy. Crisp, cool, and crafted for ...

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$23.99
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Why We're Different

Why Happie Fungi Fusion is the best
functional mushroom drink

Most mushroom supplements come as capsules made from mycelium grown on grain — which can end up more grain starch than mushroom. Happie Fungi Fusion is different: we use only fruiting body extracts, dual-extracted (hot water + ethanol) for the full spectrum of beta-glucans and triterpenes.

Every 12oz can is zero alcohol, zero caffeine, 40 calories, 9g sugar and no artificial sweeteners. Something good to hold at work, before the gym, or when everyone else is holding something. Available in Watermelon, Mango Mimosa, Blue Razzberry, and a 12-can Variety Pack.

Lion's Mane
Hericium erinaceus
At work

The one people know by sight — the shaggy white mushroom. Dual-extracted fruiting body, never mycelium on grain.

Cordyceps
Cordyceps militaris
Before the gym

An athlete's favourite, and the mushroom behind cordycepin. No caffeine and no stimulants of any kind.

Red Reishi
Ganoderma lucidum
Instead of a beer

Centuries of use in Asian wellness traditions, and the richest of the three in triterpenes — which only an alcohol extraction releases.

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