# Perillyl Alcohol **Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/perillyl-alcohol **Data Source:** Hermetica Superfoods Ingredient Encyclopedia **Updated:** 2026-03-30 **Evidence Score:** 2 / 10 **Category:** Compound **Also Known As:** 4-Isopropenyl-1-cyclohexene-1-methanol, Perilla alcohol, POH, 4-Isopropenylcyclohex-1-ene-1-methanol, Limonene-7-ol, p-Menth-1-en-7-ol ## Overview Perillyl alcohol is a naturally occurring monoterpene compound found in citrus fruits, cherries, and lavender that demonstrates potential antifungal properties. The compound works by interfering with fungal cell membrane integrity and has shown enhanced binding affinity in molecular studies. ## Health Benefits • Potential antifungal efficacy as indicated by enhanced binding derivatives, based on limited mechanistic studies.[5] ## Mechanism of Action Perillyl alcohol exerts its antifungal effects by disrupting ergosterol biosynthesis in fungal cell membranes, particularly through inhibition of HMG-CoA reductase. The compound demonstrates enhanced binding affinity to fungal enzymes compared to mammalian targets, suggesting selective antifungal activity. Its monoterpene structure allows for direct membrane interactions that compromise fungal cell wall integrity. ## Clinical Summary Current evidence for perillyl alcohol is primarily based on limited mechanistic and in vitro studies focusing on its antifungal properties. Research has demonstrated enhanced binding derivatives with improved efficacy against fungal targets in laboratory settings. No large-scale clinical trials have been conducted to establish therapeutic efficacy or optimal dosing protocols. The existing evidence base consists mainly of molecular binding studies and preliminary antifungal screening assays. ## Nutritional Profile Perillyl alcohol is a pure monocyclic monoterpene compound (C10H16O, molecular weight 152.23 g/mol), not a food or nutritional ingredient in the conventional sense, and therefore carries no macronutrient, micronutrient, vitamin, mineral, or fiber content. It is a secondary plant metabolite (hydroxylated derivative of limonene) found in trace concentrations in essential oils of lavender (~0.5–1.5% of oil), peppermint, spearmint, cherries (~trace levels in peel/flesh), celery seeds, and perilla plant (Perilla frutescens). As a bioactive compound, it is structurally characterized by an allylic alcohol functional group on the cyclohexene ring. Typical concentrations in natural plant sources are low (essential oil fractions), making dietary intake from food sources negligible in pharmacologically relevant quantities. In experimental and clinical settings, it has been studied at doses of 1,200–2,400 mg/m²/day orally or via intranasal delivery (0.3% solution). Bioavailability note: orally administered perillyl alcohol undergoes rapid first-pass hepatic [metabolism](/ingredients/condition/weight-management), primarily oxidized to perillic acid and dihydroperillic acid; intranasal delivery bypasses first-pass metabolism, achieving more direct CNS exposure. No caloric, protein, fat, or carbohydrate contribution is attributed to this compound. ## Dosage & Preparation No clinically studied dosage ranges or forms are available. Consult a healthcare provider before starting any new supplement. ## Safety & Drug Interactions Safety data for perillyl alcohol supplementation is limited, with most information derived from its natural occurrence in foods. Potential side effects may include gastrointestinal irritation due to its monoterpene structure. No specific drug interactions have been documented, though theoretical interactions with antifungal medications could occur. Pregnant and nursing women should avoid supplementation due to insufficient safety data for these populations. ## Scientific Research There are no specific human clinical trials, randomized controlled trials (RCTs), or meta-analyses available for perillyl alcohol's effects or benefits. No PubMed PMIDs are provided in the research dossier. ## Historical & Cultural Context The research provides no historical context or evidence of traditional medicine uses for perillyl alcohol. Its use in traditional systems or historical applications is not documented. ## Synergistic Combinations Lavender oil, peppermint oil, spearmint oil, celery seed extract, cherry extract ## Frequently Asked Questions ### What foods naturally contain perillyl alcohol? Perillyl alcohol is naturally found in citrus fruit peels, particularly oranges and lemons, as well as in cherries, lavender, and peppermint. The highest concentrations occur in citrus essential oils where it comprises 1-3% of the total monoterpene content. ### How does perillyl alcohol compare to other antifungal compounds? Perillyl alcohol shows enhanced binding affinity compared to synthetic antifungals in some molecular studies, suggesting potentially improved selectivity. However, clinical efficacy has not been established through human trials, unlike conventional antifungal medications that have extensive clinical validation. ### What is the recommended dosage of perillyl alcohol supplements? No standardized dosage recommendations exist for perillyl alcohol supplements due to limited clinical research. Most studies have used concentrations ranging from 10-100 micrograms per milliliter in laboratory settings, but human therapeutic doses remain undetermined. ### Can perillyl alcohol treat fungal infections? While perillyl alcohol demonstrates antifungal activity in laboratory studies, it has not been clinically proven to treat fungal infections in humans. Current evidence is limited to mechanistic studies showing enhanced binding to fungal enzymes and preliminary efficacy data. ### Are there any side effects of taking perillyl alcohol? Limited safety data exists for perillyl alcohol supplementation, though its monoterpene structure suggests potential for gastrointestinal irritation at higher doses. Most safety information comes from its consumption as a natural food component rather than concentrated supplement forms. ### Does perillyl alcohol interact with antifungal medications like fluconazole or ketoconazole? Limited clinical data exists on perillyl alcohol interactions with prescription antifungal medications, so concurrent use should be discussed with a healthcare provider. Since perillyl alcohol exhibits its own antifungal mechanisms, combining it with pharmaceutical antifungals could theoretically enhance effects or increase side effects, though this has not been formally studied. Medical supervision is recommended before using perillyl alcohol alongside antifungal drugs. ### Is perillyl alcohol safe during pregnancy and breastfeeding? There is insufficient safety data on perillyl alcohol use during pregnancy and breastfeeding, making supplementation not recommended without medical clearance during these periods. Most supplement manufacturers advise against use in pregnant or nursing women due to lack of adequate human studies. Pregnant or breastfeeding individuals should consult their healthcare provider before considering perillyl alcohol supplements. ### What is the current strength of clinical evidence supporting perillyl alcohol's antifungal claims? The evidence for perillyl alcohol's antifungal efficacy is based primarily on mechanistic studies and laboratory investigations rather than extensive human clinical trials. Most research has focused on enhanced binding derivatives in controlled settings, which does not yet translate to proven effectiveness in clinical practice. More robust human studies are needed to establish reliable efficacy and determine optimal therapeutic applications. --- *Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com* *License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*