To implement a SISVAN, interrelated methodologies and tools which are useful to obtain information required for the analysis of Food and Nutrition status are required; some are described below, but it is also important to ensure that information has been collected in the field under defined methodological guidelines which can be consulted in: Generic Manual of Operations for Data collection.

Methodologies

• Sentinel Sites
• Early Warning
• Integrated System of Nutritional Interventions Monitoring (SIVIN, by its acronym in Spanish)
• Observatory
• Mejor compra
• Geographic Information Systems
• Global Positioning System

Tools

• Growth Standards
• Height Survey
• Basic Basket
• Apparent consumption
• Secondary Data Analysis
• Virtual Library on Health and Food and Nutrition
• Systematic review of evidence based literature
• FNS Situation Room