# Hesperitin **Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/hesperitin **Data Source:** Hermetica Superfoods Ingredient Encyclopedia **Updated:** 2026-03-31 **Evidence Score:** 2 / 10 **Category:** Compound **Also Known As:** Hesperetin, 3',5,7-trihydroxy-4'-methoxyflavanone, Vitamin P component, Citrus flavanone, 4'-methoxy-3',5,7-trihydroxyflavanone, Hesperitin aglycone ## Overview Hesperitin is a flavanone aglycone derived from citrus fruits that modulates [inflammatory pathway](/ingredients/condition/inflammation)s and cholesterol [metabolism](/ingredients/condition/weight-management). This bioactive compound demonstrates antioxidant activity through [free radical scaveng](/ingredients/condition/antioxidant)ing and supports vascular health via [endothelial function](/ingredients/condition/heart-health) improvement. ## Health Benefits • [Antioxidant](/ingredients/condition/antioxidant) properties - demonstrated in vitro studies (evidence quality: preliminary) • [Anti-inflammatory](/ingredients/condition/inflammation) effects - general biological activity noted (evidence quality: preliminary) • Cholesterol-lowering action - reported biological activity (evidence quality: preliminary) • Vasoprotective benefits - general biological activity observed (evidence quality: preliminary) • Enhanced chemotherapy efficacy - shown to increase doxorubicin cytotoxicity in MCF-7 and HeLa cancer cells at 100 μM (evidence quality: in vitro only) ## Mechanism of Action Hesperitin exerts [antioxidant](/ingredients/condition/antioxidant) effects by scavenging hydroxyl and superoxide radicals while upregulating antioxidant enzymes like catalase and superoxide dismutase. The compound modulates inflammatory pathways by inhibiting nuclear factor-kappa B (NF-κB) activation and reducing [pro-inflammatory cytokine](/ingredients/condition/inflammation)s including TNF-α and IL-6. Additionally, hesperitin influences cholesterol homeostasis through HMG-CoA reductase inhibition and enhancement of LDL receptor expression. ## Clinical Summary Most hesperitin research consists of in vitro and animal studies, with limited human clinical trials. Animal studies using doses of 50-200 mg/kg have demonstrated significant reductions in [oxidative stress](/ingredients/condition/antioxidant) markers and [inflammatory](/ingredients/condition/inflammation) cytokines. Small human studies with hesperidin (hesperitin glycoside) supplementation at 500-800 mg daily have shown modest improvements in [endothelial function](/ingredients/condition/heart-health) and lipid profiles. Current evidence remains preliminary, requiring larger randomized controlled trials to establish definitive therapeutic benefits. ## Nutritional Profile Hesperetin is a pure aglycone flavonoid compound (the deglycosylated form of hesperidin), not a food ingredient with macronutrient or micronutrient composition. As a single bioactive molecule, its profile is defined by its chemical identity rather than nutritional content. Molecular formula: C16H14O6, molecular weight: 302.28 g/mol. It belongs to the flavanone subclass of flavonoids. Contains no protein, fat, carbohydrate, fiber, or caloric value as an isolated compound. Key structural features include a catechol B-ring and a 4'-methoxy group, which contribute to its biological activity. Naturally found in citrus fruits (oranges, lemons, grapefruits) as its glycoside form hesperidin at concentrations of approximately 200-600 mg/kg in citrus peel and 20-100 mg/L in orange juice. Bioavailability of hesperetin is notably higher than its parent glycoside hesperidin: oral bioavailability estimated at 25-40% compared to <5% for hesperidin, due to the absence of the rutinose sugar moiety. Intestinal absorption occurs primarily in the small intestine via passive diffusion. Peak plasma concentrations reached approximately 1-2 hours post-ingestion. Undergoes extensive phase II [metabolism](/ingredients/condition/weight-management) (glucuronidation and sulfation) in the intestinal wall and liver. Primary circulating metabolites include hesperetin-7-O-glucuronide and hesperetin-3'-O-glucuronide. Lipophilicity (logP ~1.9) facilitates membrane permeability. Protein binding in plasma: approximately 80-90%, primarily to albumin. ## Dosage & Preparation No clinically studied dosage ranges, forms, or standardization details are available in the current research. Consult a healthcare provider before starting any new supplement. ## Safety & Drug Interactions Hesperitin appears well-tolerated with minimal reported side effects in available studies. Potential interactions may occur with medications metabolized by cytochrome P450 enzymes, particularly CYP3A4 substrates. Individuals taking anticoagulant medications should exercise caution due to possible additive effects on bleeding risk. Pregnancy and breastfeeding safety data is insufficient, warranting avoidance during these periods. ## Scientific Research The research dossier lacks specific details on human clinical trials, RCTs, or meta-analyses for hesperidin, with no PubMed PMIDs provided. The only specific study mentioned is in vitro evidence showing hesperidin enhances doxorubicin cytotoxicity in cancer cell lines through cell cycle inhibition and apoptosis upregulation. ## Historical & Cultural Context The research provides no information on traditional or historical medicinal use of hesperidin. It is noted as a major component of vitamin P and is currently used in food, beverages, and cosmetics as a skin conditioning emollient. ## Synergistic Combinations Vitamin C, Quercetin, Rutin, Diosmin, Bioflavonoids ## Frequently Asked Questions ### What foods contain hesperitin naturally? Hesperitin is found primarily in citrus fruits, especially orange peel, lemon peel, and grapefruit. The compound exists mainly as hesperidin glycoside in whole fruits, which converts to hesperitin after consumption through intestinal enzyme activity. ### How much hesperitin should I take daily? No standardized dosage exists for hesperitin supplements. Human studies with hesperidin typically use 500-800 mg daily, providing approximately 50-80 mg of hesperitin aglycone after conversion. Consult healthcare providers before starting supplementation. ### Does hesperitin lower cholesterol effectively? Animal studies show hesperitin reduces total cholesterol by 15-25% through HMG-CoA reductase inhibition. However, human clinical evidence remains limited with only small studies showing modest 5-8% reductions in LDL cholesterol with hesperidin supplementation. ### Can hesperitin cause side effects? Hesperitin appears well-tolerated with minimal reported adverse effects in available studies. Some individuals may experience mild gastrointestinal upset or allergic reactions. High doses may potentially interact with certain medications metabolized by liver enzymes. ### Is hesperitin better absorbed than hesperidin? Hesperitin aglycone shows superior bioavailability compared to hesperidin glycoside due to enhanced lipophilicity and cellular uptake. However, hesperidin converts to hesperitin through gut microbiota metabolism, making both forms potentially bioactive with different absorption kinetics. ### Does hesperitin interact with blood pressure or heart medications? Hesperitin's vasoprotective properties may theoretically potentiate the effects of antihypertensive medications, though clinical interaction data is limited. Anyone taking blood pressure or cardiovascular medications should consult their healthcare provider before supplementing with hesperitin to avoid unintended synergistic effects. Current evidence is insufficient to establish definitive interaction profiles with specific drug classes. ### Is hesperitin safe during pregnancy and breastfeeding? Safety data for hesperitin supplementation during pregnancy and lactation is not well-established in human studies. Due to limited evidence and the preliminary nature of hesperitin research, pregnant or breastfeeding women should avoid supplementation and consult their physician before use. Dietary sources of hesperitin (citrus fruits) remain generally recognized as safe during these periods. ### What does the current clinical research say about hesperitin's effectiveness? Most hesperitin research to date has been conducted in vitro or in animal models, with evidence quality classified as preliminary for its antioxidant, anti-inflammatory, and cardiovascular benefits. Human clinical trials remain limited, making it difficult to confirm efficacy at specific doses or confirm real-world health outcomes. More robust, well-designed clinical studies are needed before strong conclusions can be drawn about hesperitin's therapeutic potential in humans. --- *Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com* *License: CC BY-NC-SA 4.0 — Attribution required. 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