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Nutrition (16)
Food & Drink (16)
Tea & Coffee (16)
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Nootropics (5)
Brain Health (3)
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Mind & Body (4)
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Sleep & Relaxation (4)
Mushroom Supplements (16)
Mushroom Tea and Coffee (15)
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Shop for the latest range of products from Four Sigmatic at XBrain. These delicious, organic, immune system supporting drinks mixes are packed full of vital nutrients from Chaga, Reishi and many more types of medicinal mushroom to support your mind and body day and night.

10 MUSHROOM BLEND

£29.99
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Mushroom Coffee Lion’s Mane

£16.99
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Chaga Mushroom Drink Mix

£31.99
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COFFEE LATTE MIX WITH LIONS MANE

£25.00
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Cordyceps Elixir

£29.99
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FOUR SIGMATIC ADAPTOGEN COFFEE with tulsi and ashwagandha.

£16.99
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Lion’s Mane Elixir

£35.99
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MATCHA LATTE WITH MAITAKE

£22.00
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Mushroom Coffee Cordyceps

£16.99
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Mushroom Hot Cacao With Cordyceps

£19.99
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On sale

Mushroom Hot Cacao with Reishi

£2.40
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Reishi Mushroom Drink Mix

£31.99
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Chai Latte with Reishi and Turkey Tail

£25.00
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Golden Latte with Shitake & Turmeric

£25.00
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GROUND MUSHROOM COFFEE

£25.00
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ADAPTOGEN GROUND COFFEE

£25.00
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