Tag: Rosemary

While culinary amounts of rosemary are generally safe for most people, medicinal doses can pose significant health risks for certain individuals. This includes potentially causing serious side effects like vomiting and seizures if taken in large quantities. This guide explains who should not take rosemary and details the specific risks involved with high-dose preparations, supplements, and essential oils.

Rosemary contains potent antioxidant compounds like carnosic acid and rosmarinic acid, which are more powerful than vitamin C [1.2.1]. This article answers the key question: **what does rosemary do to the blood**, examining its effects on circulation, pressure, glucose, and potential drug interactions.

A number of studies and medical resources indicate that certain compounds in rosemary have anticoagulant properties, meaning that concentrated forms, like rosemary oil or supplements, can potentially thin your blood. This effect is particularly important for people on prescription blood-thinning medications.

While widely known as a versatile culinary herb, **rosemary** contains potent compounds that can interact with several types of medications, particularly when consumed in concentrated forms. A 2025 review of pharmacological effects noted that rosemary has anticoagulant properties, which is crucial for individuals on blood thinners. This guide details the most important medication interactions to be aware of before using rosemary medicinally.

While Vicks VapoRub is formulated with three key active ingredients—camphor, eucalyptus oil, and menthol—the answer to **Is rosemary in Vicks?** is nuanced [1.2.1]. The classic medicated chest rub does not list rosemary as an ingredient, but the brand does utilize it in other specialized products [1.3.4].

While commonly used as a kitchen spice, concentrated forms of rosemary, such as supplements and essential oils, can have powerful pharmacological effects and interact dangerously with certain medications. This guide explains what not to take with rosemary to ensure your safety and avoid adverse health reactions.