Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Spruce (from the genus Picea) has a long-standing history in traditional medicine, particularly among Indigenous peoples in North America and Northern Europe. The inner bark, needles, and resin of spruce trees have been used to create teas, syrups, and lozenges aimed at alleviating symptoms of sore throat, coughs, and other respiratory ailments. The traditional rationale is based on the plant’s aromatic resins and purported antimicrobial properties, as well as the soothing effect of warm herbal infusions.

Scientific validation for spruce as a sore throat remedy is limited. Some laboratory studies have identified mild antimicrobial and anti-inflammatory properties in spruce extracts, particularly due to the presence of compounds such as terpenes and phenolics. However, there are no large-scale clinical trials or robust human studies that confirm the efficacy of spruce for sore throat relief. Most evidence is anecdotal or based on ethnobotanical surveys. Thus, while spruce has a well-documented traditional use for sore throat, modern scientific support remains minimal.

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