# Heptacosane **Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/heptacosane **Data Source:** Hermetica Superfoods Ingredient Encyclopedia **Updated:** 2026-03-20 **Evidence Score:** 2 / 10 **Category:** Compound **Also Known As:** C₂₇H₅₆, n-Heptacosane, Heptacosane alkane, 27-carbon alkane, Straight-chain heptacosane ## Overview Heptacosane is a straight-chain saturated hydrocarbon (alkane) with the molecular formula C27H56, naturally occurring in plant waxes, insect cuticles, and some foods. It has been studied primarily in the context of insect chemical signaling and plant surface chemistry, with no established therapeutic role in human health. ## Health Benefits • No documented health benefits in clinical settings; the evidence is currently lacking. ## Mechanism of Action Heptacosane is a chemically inert saturated alkane lacking functional groups that interact with biological receptors or enzymes under physiological conditions. In insects, it functions as a cuticular hydrocarbon pheromone detected by olfactory sensory neurons, but no analogous receptor-mediated pathway has been identified in humans. Its extreme hydrophobicity means it does not dissolve appreciably in aqueous biological fluids, severely limiting systemic bioavailability and any potential pharmacological activity. ## Clinical Summary No human clinical trials have investigated heptacosane as a therapeutic or supplemental agent. The compound appears in the scientific literature primarily through entomology and plant chemistry research, not human pharmacology. A small number of in vitro studies have detected heptacosane in plant extracts with broad biological testing, but isolating its specific contribution to any observed effect has not been demonstrated. The overall evidence base for any human health benefit is absent, and it is not recognized by any regulatory body as a functional ingredient. ## Nutritional Profile Heptacosane (C₂₇H₅₆) is a straight-chain saturated hydrocarbon (n-alkane) with a molecular weight of 380.73 g/mol. It is not a nutrient and has no meaningful nutritional profile. It contains no macronutrients (proteins, carbohydrates, or fats in a dietary sense), no vitamins, no minerals, and no dietary fiber. Heptacosane is found naturally in trace quantities as a component of plant epicuticular waxes (e.g., on leaf surfaces of various plants, in beeswax, and in some essential oils), typically at concentrations of <0.1–2% of total wax composition depending on the plant species. It is a hydrophobic, waxy solid at room temperature (melting point ~59–61 °C) and is essentially insoluble in water. Oral bioavailability is negligible; long-chain alkanes of this size are poorly absorbed in the human gastrointestinal tract due to their high hydrophobicity and molecular size, and they largely pass through unmetabolized. It has no recognized bioactive properties in human nutrition. While it belongs to the broader class of plant-derived cuticular wax alkanes (C₂₅–C₃₃) that are incidentally consumed in small amounts through fruits, vegetables, and honey, these are not considered to contribute any caloric or micronutrient value. No Recommended Daily Intake or Adequate Intake values exist. In analytical contexts, heptacosane is sometimes used as an internal standard in gas chromatography rather than as a compound of nutritional interest. ## Dosage & Preparation There are no clinically studied dosage ranges available for heptacosane. Consult a healthcare provider before starting any new supplement. ## Safety & Drug Interactions Heptacosane has no established safety profile in humans as a standalone supplement, and no formal toxicological studies in humans have been published. As a high-molecular-weight alkane, it is largely biologically inert and is unlikely to cause acute toxicity, but chronic intake data are nonexistent. No known drug interactions have been documented, and no contraindications or pregnancy safety classifications have been established. Consumption of heptacosane through natural dietary sources such as plant-based foods is considered incidental and has not raised safety concerns. ## Scientific Research The research dossier does not include any clinical trials or meta-analyses involving heptacosane. No PMIDs are available as no studies have been cited. ## Historical & Cultural Context There is no traditional or historical use documented for heptacosane in the research dossier. It is primarily known as an industrial chemical. ## Synergistic Combinations N/A ## Frequently Asked Questions ### What is heptacosane used for? Heptacosane has no recognized use as a dietary supplement or medicine. It is primarily studied as a cuticular hydrocarbon pheromone in insects such as Drosophila and Apis species, where it plays a role in colony recognition and mating signals. In humans, no therapeutic application has been established. ### Is heptacosane found in food? Yes, heptacosane occurs naturally in trace amounts in the wax coatings of fruits, vegetables, and grains, as well as in some animal-derived foods. These dietary exposures are incidental and at extremely low concentrations, contributing no known nutritional or pharmacological effect. It has been detected in foods such as apples, cabbage, and wheat bran surface waxes. ### Does heptacosane have any health benefits? No documented health benefits for heptacosane exist in peer-reviewed clinical literature. Some broad-spectrum plant extract studies detect its presence, but no controlled human or animal study has attributed a specific benefit to heptacosane itself. Current scientific consensus does not support any health claim for this compound. ### What is the chemical structure of heptacosane? Heptacosane is a straight-chain saturated alkane with the molecular formula C27H56 and a molecular weight of approximately 380.74 g/mol. It consists of 27 carbon atoms bonded in an unbranched chain with no double bonds, rings, or functional groups, making it highly nonpolar and chemically unreactive under biological conditions. Its CAS number is 593-49-7. ### Is heptacosane safe to consume? Heptacosane ingested through natural food sources is considered safe based on its incidental presence in edible plant waxes, though no formal safety studies exist for supplemental doses. As a saturated alkane, it lacks reactive functional groups and is expected to be metabolically inert, passing through the digestive tract largely unabsorbed. No toxicity thresholds, drug interactions, or contraindications have been formally established for this compound. ### What is the current state of clinical research on heptacosane? Heptacosane lacks documented clinical research demonstrating specific health benefits in human studies. Most scientific knowledge about this long-chain alkane comes from chemical characterization rather than controlled trials on its physiological effects. The absence of established clinical evidence means it should not be promoted for therapeutic purposes at this time. ### Who should avoid taking heptacosane supplements? Due to limited safety data and absence of established health benefits, heptacosane supplements are not recommended for pregnant or nursing women, children, or individuals with existing gastrointestinal conditions. Anyone considering this ingredient should consult a healthcare provider first, especially given the lack of clinical validation for its use. ### How does heptacosane differ from other long-chain alkanes in supplements? Heptacosane is a specific 27-carbon saturated hydrocarbon that occurs naturally in plant waxes and certain foods, but it is rarely isolated or concentrated for standalone supplementation. Unlike some long-chain compounds studied for bioavailability or metabolic effects, heptacosane has not been the subject of comparative research examining its effectiveness relative to similar ingredients. Its functional role in supplements remains poorly defined compared to other bioactive compounds. --- *Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com* *License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*