tsinnoksiid

Tsinnoksiid is a traditional Finnish folk remedy derived from the bark of the birch tree (*Betula pubescens* or *Betula pendula*). The term originates from the Finnish word *tsinno* (birch) and *oksi* (bark), meaning "birch bark." It has been used for centuries in Finnish and Karelians cultures for its medicinal properties.

The preparation typically involves boiling or steeping birch bark in water to create a tea or infusion. This remedy is often consumed for its mild diuretic effects, aiding in the relief of urinary tract issues, kidney stones, and general fluid retention. Historically, tsinnoksiid was also used to support liver function and as a gentle laxative. Some traditional applications include treating skin conditions when applied externally as a compress.

Birch bark contains compounds like betulin and betulinic acid, which have been studied for their potential anti-inflammatory and antioxidant properties. While modern research on tsinnoksiid remains limited, these compounds have shown promise in laboratory settings for their potential health benefits, including antimicrobial and anticancer effects.

Today, tsinnoksiid is still used in some Finnish herbal medicine practices, though its popularity has declined with the rise of conventional medicine. It is often sold as a dried herb in health food stores or prepared as a homemade remedy. As with any herbal treatment, caution is advised, particularly for individuals with allergies to birch or those taking medications that may interact with its effects. Consulting a healthcare professional before use is recommended.