Rudraksha (Elaeocarpus ganitrus)
Rudraksha (Elaeocarpus ganitrus) contains bioactive alkaloids, flavonoids, and tannins that drive its antioxidant, antifungal, and immunomodulatory properties. These compounds exert effects primarily through free radical scavenging, disruption of fungal cell membranes, and modulation of immune cell activity.

Origin & History
Rudraksha refers to the dried seed beads from the Elaeocarpus ganitrus tree, native to the Himalayan region and parts of Southeast Asia. The seeds are hard and lignified, containing various bioactive compounds. Extraction involves solvents such as petroleum ether, chloroform, ethanol, and water.
Historical & Cultural Context
In Ayurveda, Rudraksha has been used as a cardiotonic, intelligence enhancer, and disinfectant, balancing Vata and Kapha doshas. It is traditionally used to treat headaches and neurological disorders, benefiting the heart and nerves.
Health Benefits
• Antioxidant effects, demonstrated in vitro with 24.18 mg ascorbic acid equivalents at 500 µg/ml extract, based on preclinical studies. • Antifungal properties against Candida albicans and Aspergillus niger, using chloroform and ethanol extracts, evidenced in animal studies. • Immunomodulatory effects via nitric oxide and superoxide modulation in murine macrophages, using methanolic extracts at 6.5-832 µg/ml. • Potential anti-inflammatory actions through flavonoids and alkaloids, as inferred from preclinical research. • Hypoglycemic effects suggested by phytoconstituents, though evidence is limited to preliminary studies.
How It Works
Rudraksha's alkaloids and polyphenolic flavonoids donate hydrogen atoms to neutralize reactive oxygen species, accounting for the measured antioxidant capacity of 24.18 mg ascorbic acid equivalents per 500 µg/ml extract in DPPH assays. Its chloroform and ethanol extracts disrupt ergosterol biosynthesis and fungal membrane integrity, inhibiting Candida albicans and Aspergillus niger proliferation. Immunomodulatory activity is attributed to tannins and glycosides that stimulate macrophage phagocytic activity and cytokine release, modulating both innate and adaptive immune responses.
Scientific Research
No human clinical trials, randomized controlled trials, or meta-analyses were identified in the available sources. The evidence is limited to preclinical pharmacological studies, with no PubMed PMIDs for human trials provided.
Clinical Summary
Current evidence for Rudraksha is derived predominantly from in vitro and animal studies, with no large-scale human clinical trials published to date. In vitro antioxidant assays quantified activity at 24.18 mg ascorbic acid equivalents at a 500 µg/ml extract concentration using DPPH methodology. Animal model studies have demonstrated antifungal efficacy against Candida albicans and Aspergillus niger using chloroform and ethanol-based extracts. The overall evidence base is preclinical and preliminary; human pharmacokinetic and efficacy data are lacking, making definitive therapeutic claims premature.
Nutritional Profile
Rudraksha (Elaeocarpus ganitrus) seeds and fruit have been partially characterized for their chemical constituents, though comprehensive proximate nutritional analysis remains limited in peer-reviewed literature. Bioactive alkaloids are the most extensively documented class, including rudrakine (a unique indolizidine alkaloid), elaeocarpine, isoelaeocarpine, elaeocarpidine, and norisoelaeocarpine, with total alkaloid content estimated at approximately 0.315–0.40% in seed extracts. The fruit pulp contains carbohydrates as the dominant macronutrient, with crude fiber content reported at approximately 28–35% in seed material, contributing to its bulk composition. Crude protein content in seeds is reported at approximately 7–8% of dry weight, with lipid content approximately 2–4% of dry weight, composed partly of fatty acids including palmitic and stearic acid fractions. Flavonoids and polyphenols are well-documented bioactive micronutrients, including quercetin, rutin, and gallic acid derivatives, with total phenolic content quantified at approximately 18.23 mg gallic acid equivalents per gram of extract in methanolic fractions. Tannins are present at measurable concentrations contributing to the antioxidant capacity (corroborated by the documented 24.18 mg ascorbic acid equivalents per 500 µg/ml extract). Saponins and sterols, including β-sitosterol, have been identified in chloroform fractions. Mineral content includes traces of potassium, calcium, magnesium, and iron, though precise quantitative mineral profiling is sparse in available literature. Bioavailability of alkaloids and polyphenols is expected to be moderate, influenced by the seed's dense fiber matrix and tannin content, which may complex with proteins and reduce absorption; oral bioavailability data from human pharmacokinetic studies is currently unavailable.
Preparation & Dosage
No clinically studied dosage ranges for human use are reported due to the absence of human trials. Preclinical studies used extracts at concentrations like 500 µg/ml for antioxidant activity. Consult a healthcare provider before starting any new supplement.
Synergy & Pairings
Turmeric, Ashwagandha, Tulsi, Ginger, Holy Basil
Safety & Interactions
Human safety data for Rudraksha supplements are limited, as most studies are preclinical, so adverse effect profiles in humans are not well characterized. Theoretical interactions exist with anticoagulant medications such as warfarin due to the high tannin content, which may potentiate or interfere with clotting pathways. Individuals with known hypersensitivity to Elaeocarpus species should exercise caution. Rudraksha is not recommended during pregnancy or lactation given the absence of safety data in these populations.