A New Drink

Nothing like it exists

Zero

Calories & sugar

Natural Mineral Profile

Daily dosage of bioavailable manganese

Wild Fermentation

Nothing added, nothing removed

Misty birch forest at dawn in Estonia

Forest in a Bottle.
Nothing Added.

Kasé is fermented birch sap from the ancient forests of Estonia — harvested once a year, fermented for six months, bottled without a single additive.

Kasé

Fermented birch sap from the ancient forests of Estonia. Pure. Unaltered. Alive.

Origin

Harvested in Estonia.
Shipped to the United States.

Subscription only.
Limited annual harvest.

© 2026 Kasé. All rights reserved.

Shipped from Estonia to the United States