Overview
Oral Rehydration Salts (ORS) are a scientifically formulated blend of salts and sugars designed to combat dehydration. Developed by the WHO in the 1970s, ORS has saved millions of lives by treating cholera and diarrheal diseases. It works by enhancing water absorption in the intestines via glucose-coupled sodium transport. Modern ORS formulations often include citrate or bicarbonate to correct acidosis, along with potassium to address electrolyte loss. The product is widely used in healthcare settings, disaster relief, and sports medicine due to its efficacy and low cost.
Physical and Chemical Properties
ORS typically contains sodium chloride (NaCl), potassium chloride (KCl), trisodium citrate or sodium bicarbonate, and anhydrous glucose. These components form a hygroscopic powder that dissolves readily in water to create an isotonic or hypotonic solution. The mixture’s osmolarity (245–310 mOsm/L) is critical for optimal absorption. Citrate-based ORS has largely replaced bicarbonate formulations due to better stability in tropical climates. The powder is sensitive to moisture, requiring airtight packaging to prevent clumping or chemical degradation.
Main Applications
ORS is primarily used to treat acute diarrhea-induced dehydration, especially in children and vulnerable populations. It’s a cornerstone of WHO’s Essential Medicines List and is deployed in humanitarian crises. Beyond medical use, ORS is popular among athletes for rapid rehydration after intense exercise. Industrial applications include inclusion in first-aid kits for factories and remote workplaces. Some veterinary formulations also exist for livestock dehydration management. The product’s versatility and shelf stability make it indispensable for B2B buyers in healthcare and emergency preparedness sectors.
Safety and Storage
While ORS is extremely safe when used as directed, improper preparation (e.g., insufficient water) may cause hypernatremia. The product should be stored below 30°C (86°F) with relative humidity under 65%. Bulk procurement requires moisture-proof packaging, often with aluminum-lined sachets. Quality control is essential – medical-grade ORS must meet WHO/UNICEF specifications (e.g., total osmolarity ≤ 311 mOsm/L). Industrial users should verify certifications like GMP or ISO 13485 when sourcing large quantities for occupational health programs.
B2B Procurement Guide
For bulk ORS procurement, prioritize suppliers with WHO prequalification or FDA approval for medical applications. Key specifications include: citrate-based formulation, 20–30 sachets per box, and 18–24 month shelf life. Industrial buyers may opt for larger pouches (50–100 doses) with resealable features. Pricing varies by order volume; contracts for 10,000+ sachets often reduce unit costs by 30–40%. Consider regional manufacturing hubs like India or China for cost efficiency, but ensure compliance with local pharmacopeia standards. Sample testing for microbial contamination is recommended before large orders.
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