A hand in a white sleeve holds a glass bottle of birch brew, fermented birch water against a blurred forest background. A hand in a white sleeve holds a glass bottle of Birch brew, fermented birch water against a blurred forest background.

WILD-FERMENTED • PROBIOTIC • NON-ALCOHOLIC

Birch Brew

Raw, certified organic Alaska birch sap, wild-fermented into a tart, crisp and naturally effervescent beverage with billions of living cultures. Inspired by Latvian birch-sap tradition and crafted in Alaska.

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Alaska Wild Chaga mushroom tea package against a natural background

Wild-Harvested in Alaska

Wild Alaskan Chaga

Genuine wild chaga conk harvested from Alaska’s boreal birch forests and crafted into small-batch tea and dual-extracted chaga extract.

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Alaska Birch trees in boreal forest with snow on the ground

ROOTED IN THE BIRCH FOREST

From Forest to Bottle

Each spring, we harvest wild Alaska birch sap using low-impact tapping methods, then transform it through fermentation, concentration and small-batch craft.

Our Approach
Late Run Alaska Pure Birch syrup with grilled salmon, lemon slices, and a picnic blanket. A bottle of pure alaska birch syrup stands on a rustic wood slice next to a plate of grilled salmon with lemon slices, set outdoors on stacked logs with a blue-and-white checkered cloth.

CRAFTED IN ALASKA SINCE 1990

Alaska Birch Syrup

Certified organic birch syrup handcrafted by Kahiltna Birchworks from wild Alaska birch sap — rich, complex and unlike any other natural sweetener.

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A bottle of Birch Brew Raspberry fermented birch sap drink stands on a weathered tree stump with a blurred forest background.

Birch Brew

Wild-fermented Alaska birch sap drink

Alaska Birch Syrup

Small-batch organic birch syup

Alaska Wild Chaga tea and extract on a mossy background

Wild Chaga

Wild-harvest Alaska Chaga

Close-up birch sap dripping from birch tree that is being tapped

Our Approach

Every product begins with the birch forest. We harvest sap during Alaska’s brief spring thaw using low-impact tapping methods designed with long-term forest health in mind, then transform that harvest through fermentation, concentration, and small-batch craft.

How We Work
Three owners of Hammers Family Birch standing in front of birch trees

Our Story

Hammers Family Birch grew from a connection spanning Alaska, Latvia, friendship, and family. Founded by the Hammers brothers and a childhood friend, the company brings together generations of northern birch tradition with a modern approach to fermentation, food, and forest stewardship.

Our Story

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Birch Brew, wild Alaska chaga, pure Alaska birch syrup, and small-batch goods rooted in the boreal forest.

Sold out Original Birch Brew A bottle of Fermented Birch Water Drink Original non-alcoholic beer replacement drink, standing on a weathered tree stump with a blurred forest background.
Hammers Family Birch
Original Birch Brew $9.95
A bottle of Birch Brew Lemon herbal tea, featuring a clear glass bottle with a white cap and a yellow and purple label, set against a solid beige background. Lemon Birch Brew
Hammers Family Birch
Lemon Birch Brew $9.95
Lemon-Ginger Birch Brew A bottle of Birch Brew Lemon Ginger fermented birch sap drink stands on a cut tree stump outdoors, with a blurred forest background.
Hammers Family Birch
Lemon-Ginger Birch Brew $9.95
Raspberry Birch Brew A bottle of Birch Brew Raspberry fermented birch water beverage standing on a piece of wood outdoors, with a blurred forest background.
Hammers Family Birch
Raspberry Birch Brew $9.95
lemon, raspberry, and lemon-ginger birch brew soda, a fermented birch water beverage by hammers family birch.
Hammers Family Birch
Birch Brew Variety 12-Pack $119.95
Three bottles of Alaska Wild Chaga Extract on a wooden surface with a blurred green background Box of Alaska Wild Chaga Extract with a blurred natural background
Hammers Family Birch
Wild Chaga Extract From $17.95
Two packages of Wild Chaga Alaskan Mushroom Tea on a tree stump with a blurred green forest background Wild Chaga mushroom tea package on a mossy tree trunk
Hammers Family Birch
Wild Chaga Tea From $19.95
Alaska Pure Birch Syrup Alaska Pure Birch Syrup
Kahiltna Birchworks
Alaska Pure Birch Syrup From $24.95
Bottle of Reserve pure alaskan birch syrup on a tree stump with a blurred natural background Bottle of limited edition reserve birch syrup with a label on a wooden stump against a blurred natural background
Kahiltna Birchworks
Reserve Pure Birch Syrup From $29.95
Handcrafted birch sap soap in a brown cardboard box with leaf designs. Handcrafted birch sap soap in a brown cardboard box against a birch tree background
Hammers Family Birch
Hammers Family Birch – Birch Sap Soap $9.95
Sold out Box of Wildfish Cannery Smoked Coho Salmon in Birch Syrup on a white background
Wildfish Cannery
Smoked Coho in Birch Syrup $13.95
Close-up of a chugach chocolate bar with alaska birch syrup toffee bits Chugach Chocolates dark chocolate bar with Alaskan Birch Syrup Toffee on a white background
Chugach Chocolates
Dark Chocolate with Alaskan Birch Syrup Toffee $6.95