What is the National Nutrient database for Standard Reference? A Guide to its Legacy and Successor
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3 min read
In 2019, the U.S. Department of Agriculture (USDA) officially replaced the well-established National Nutrient Database for Standard Reference (NNDSR) with a modernized system called FoodData Central. However, the legacy NNDSR data, now known as 'SR Legacy,' continues to be a cornerstone of food composition data, providing the nutritional content for thousands of generic food items.
