The present invention relates to a palatable, free-flowing powdered composition derived from okra (
Abelmoschus esculentus) for enhancing endurance. The composition comprises polysaccharides (5-50%), including Rhamnogalacturonan and
Arabinogalactan;
flavonoid glycosides (2-10%), including
Quercetin 3-O-gentiobioside and
Isoquercetin (Okraendurosides); and total carbohydrates (30-70%), with optional excipients for stability and
bioavailability. The composition on administration to subjects in the appropriate dosage improves running endurance, enhances swimming endurance, improves rate of perceived
Exertion (RPE), improves fatigue severity, improves fatigue
score, increases peak power and enhances endurance and
muscle performance. The invention also discloses a method of preparation involving hydroalcoholic extraction, concentration, and purification, resulting in a water-soluble
powder. The composition can be formulated into capsules, tablets, powders, and beverages and is administered orally in doses of 100-2000 mg per day. Animal and human studies confirm its
efficacy in enhancing endurance, making it applicable in
nutraceutical,
sports nutrition, and pharmaceutical industries.