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Oral Rehydration Solution OS-1

Consumer Affairs Agency Certified
Individually Evaluated “Special Purpose Food Product” for Sick People

OS-1 is an oral rehydration solution with balance of carbohydrates and electrolytes. It is a “Special Purpose Food Product” suitable for replenishing and maintaining water and electrolyte levels for people with mild to moderate dehydration.

OS-1 is a drink compatible with the approach to oral rehydration therapy advocated by the WHO (World Health Organization) and the formulation is based on oral rehydration guidelines endorsed by the American Academy of Pediatrics.

Product Line-up

You can find detailed product information below.

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OS-1 500ml plastic bottle

OS-1 500ml plastic bottle

Officially sanctioned labeling for OS-1

OS-1 is an oral rehydration solution with a balance of carbohydrates and electrolytes. It is a “Special Purpose Food Product” suitable for replenishing and maintaining water and electrolyte levels for people with mild to moderate dehydration. It is suitable for dehydration due to excessive sweating, due to lack of oral hydration in the elderly, or due to fever, vomiting, or diarrhea caused by the common cold or infectious enteritis.

Ingredients Sugar (glucose, fructose), salt
Additives Sodium citrate, potassium chloride, sodium phosphate, magnesium chloride, sweetener (sucralose), fragrance
Nutrition Facts
Per 100ml Energy: 10kcal, protein / fat: 0g, carbohydrates: 2.5g, sodium chloride (salt) equivalent: 0.292g (sodium: 115mg), potassium: 78mg, magnesium: 2.4mg, phosphorus: 6.2mg, glucose: 1.8g, chlorine: 177mg
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OS-1 280ml plastic bottle

OS-1 280ml plastic bottle

Officially sanctioned labeling for OS-1

OS-1 is an oral rehydration solution with a balance of carbohydrates and electrolytes. It is a “Special Purpose Food Product” suitable for replenishing and maintaining water and electrolyte levels for people with mild to moderate dehydration. It is suitable for dehydration due to excessive sweating, due to lack of oral hydration in the elderly, or due to fever, vomiting, or diarrhea caused by the common cold or infectious enteritis.

Ingredients Sugar (glucose, fructose), salt
Additives Sodium citrate, potassium chloride, sodium phosphate, magnesium chloride, sweetener (sucralose), fragrance
Nutrition Facts
Per 100ml Energy: 10kcal, protein / fat: 0g, carbohydrates: 2.5g, sodium chloride (salt) equivalent: 0.292g (sodium: 115mg), potassium: 78mg, magnesium: 2.4mg, phosphorus: 6.2mg, glucose: 1.8g, chlorine: 177mg
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OS-1 JELLY

OS-1 JELLY

Officially sanctioned labeling for OS-1 JELLY

OS-1 JELLY is an oral rehydration solution with a balance of carbohydrates and electrolytes. It is a “Special Purpose Food Product” suitable for replenishing and maintaining water and electrolyte levels for people with mild to moderate dehydration. It is suitable for dehydration due to excessive sweating, due to lack of oral hydration in the elderly, or due to fever, vomiting, or diarrhea caused by the common cold or infectious enteritis. It can also be consumed by people with difficulty chewing or swallowing, but please consult a doctor first.

Ingredients Glucose, salt
Additives Sodium citrate, gelling agent (polysaccharide thickener), potassium chloride, sodium phosphate, magnesium chloride, sweetener (sucralose, Acesulfame K), fragrance
Nutrition Facts
Per 100g Energy: 10kcal, protein / fat: 0g, carbohydrates: 2.5g, sodium chloride (salt) equivalent: 0.292g (sodium: 115mg), potassium: 78mg, magnesium: 2.4mg, phosphorus: 6.2mg, glucose: 1.8g, chlorine: 177mg

All products mentioned are sold in Japan.

Usage Guidelines

  • Use the following daily intake amounts as reference, and adjust consumption according to the degree of dehydration.
    Age 6 and up (including the elderly): 500ml to 1,000ml(g)/day
    Toddlers and preschoolers: 300ml to 600ml(g)/day
    Infants: 30ml to 50ml(g)/day for each kilogram of body weight
    Note: A unit "g" applies to only OS-1 JELLY
  • Only consume if instructed to do so by a doctor as a dietary treatment for dehydration.
  • Consume based on directions from a doctor, nurse, pharmacist or registered dietitian.
  • This product is suitable for use in dietary treatment, but is not intended to cure any underlying disease through high intake.

Handling of OS-1

  1. 1Do not freeze, as the liquid will expand and may damage the container.
  2. 2Consume as quickly as possible after opening. When it left under room temperature with the contents remaining, there may be danger that the container may burst and the cap flies.

Handling of OS-1 JELLY

  1. 1Do not freeze or heat, as the jelly may break
  2. 2Separation of water may occur depends on the state of preservation and handling. Re-cap after opening and store in the refrigerator. Consume as quickly as possible.
  3. 3Be careful when opening the cap, as the contents may pop out when opening the cap.
  4. 4Re-cap after opening and store in the refrigerator. Consume as quickly as possible.
Product Site of OS-1 (in Japanese)

Product Site of OS-1 (in Japanese)
Oral rehydration solution suitable for replenishing and maintaining water and electrolyte levels