Grayanoids are a class of toxins found in certain plants, particularly those in the genus Rhododendron and Leucothoe. These toxic compounds are known for causing neurological symptoms due to their potent inhibitory action on sodium channels in nerve cells. When consumed, grayanotoxins can lead to various mild to severe symptoms such as nausea, vomiting, dizziness, and even cardiac arrhythmias in some cases. The severity of the poisoning depends on the amount ingested and individual sensitivity. Proper handling and identification of these plants are crucial for preventing accidental ingestion. In culinary applications, grayanoids must be carefully managed to ensure safety. For those interested in botanicals or traditional remedies containing these compounds, thorough research is essential to avoid potential health risks.