ReadytoUse Food (RUSF) Supplementation

What is RUSF?

ReadytoUse Food (RUSF) is a compact, energydense, micronutrientfortified paste that can be consumed directly from the sachet without cooking, heating, or preparation. It is designed to provide a balanced mix of protein, fats, carbohydrates, vitamins, and minerals in a form that is palatable and stable at ambient temperatures.

Typical ingredients include roasted peanuts, milk powder, vegetable oil, sugar, and a vitaminminerals premix. Because it is readytoeat, RUSF is especially useful in humanitarian emergencies, refugee camps, and remote settings where cooking facilities are limited.

Why Use RUSF?

RUSF addresses acute and moderate malnutrition, particularly in children aged 659 months, pregnant and lactating women, and other vulnerable groups. The main advantages are:

• High nutrient density: Provides 500550kcal per 100g with a complete set of essential micronutrients.
• Long shelflife: Does not require refrigeration and remains stable for 1224months if stored properly.
• Ease of use: No cooking or water is needed, making it ideal for settings with poor water quality.
• Acceptability: Sweet, creamy taste encourages regular intake, especially by children.

Target Populations

RUSF is recommended for the following groups:

• Severely Acute Malnourished (SAM) children as part of a therapeutic protocol when combined with medical care.
• Moderately Acute Malnourished (MAM) children as a preventive and curative supplement.
• Pregnant and lactating women (PLW) to meet increased energy and micronutrient demands.
• People living with HIV/AIDS to counteract wasting and support immune function.
• Elderly or chronically ill patients in lowresource healthcare facilities.

Dosage & Administration

The recommended daily amount varies by age and physiological condition:

RUSF can be given in one or two feeds per day. It should be offered in addition to, not as a replacement for, regular meals.

Evidence of Effectiveness

Multiple randomized controlled trials and field studies have demonstrated that RUSF improves weightforheight, midupperarm circumference (MUAC), and recovery rates in malnourished children.

• Study in Niger (2015) 85% recovery among children receiving 75g RUSF daily versus 60% with cerealbased supplements.
• WHO/UNICEF systematic review (2020) RUSF reduced mortality in SAM children when combined with appropriate medical care.
• Project in Bangladesh (2022) Pregnant women receiving 150g RUSF daily showed a 30% reduction in lowbirthweight incidence.

Production & Quality Assurance

Commercial RUSF is produced under Good Manufacturing Practices (GMP). Quality control checks include:

1. Verification of macronutrient composition (protein, fat, carbohydrate).
2. Micronutrient panel analysis to ensure 90% of the labeled levels.
3. Microbial safety testing (absence of Salmonella, E. coli, and total plate count limits).
4. Stability testing under various temperature and humidity conditions.

Local production is encouraged where feasible, provided that the facility can meet these standards. Smallscale producers often use locally sourced peanuts and milk powder, reducing cost and supporting community economies.

Storage & Handling

RUSF should be stored in a cool, dry place away from direct sunlight. Recommended storage conditions:

• Temperature: 15C30C (59F86F).
• Relative humidity: <60%.
• Packaging: airtight sachets or multilayer pouches.

After opening, the product should be consumed within 24hours to maintain quality and prevent contamination.

Potential Challenges

While RUSF is highly effective, programs may encounter the following obstacles:

• Cost: Although cheaper than therapeutic milks, RUSF remains more expensive than staple foods.
• Supply chain disruptions: Remote or conflictaffected areas may face delays.
• Cultural acceptability: Some populations may be unfamiliar with peanutbased pastes.
• Allergy risk: Peanut allergies, though rare in many lowincome settings, must be screened for.

Addressing these issues requires advance planning, community sensitisation, and contingency stocks.

Integration with Other Interventions

RUSF works best when combined with complementary actions:

• Vaccination campaigns to reduce disease burden that can worsen malnutrition.
• Water, sanitation, and hygiene (WASH) programs to prevent infections that counteract nutritional gains.
• Growth monitoring and counseling to track progress and adjust dosages.
• Food security initiatives such as homegardening or cashtransfer schemes.

Key Resources & Guidelines

For detailed technical guidance, consult the following documents:

• WHO Guidelines for the Management of Severe Acute Malnutrition
• UNICEF ReadytoUse Therapeutic and Supplementary Foods
• FAO Nutrition in Humanitarian Action

Conclusion

ReadytoUse Food supplementation is a proven, versatile tool for combating malnutrition in diverse emergency and development contexts. Its high nutrient density, stability, and ease of consumption make it especially valuable for vulnerable groups that cannot rely on safe water or cooking facilities. Successful implementation hinges on adhering to dosage recommendations, maintaining supplychain integrity, and integrating RUSF with broader health and nutrition strategies.

By investing in RUSF programs, ministries of health, NGOs, and donors can deliver rapid, measurable improvements in nutritional status, saving lives and laying the foundation for healthier futures.