What approximate percentage of water constitutes red leaf varieties of lettuce, contributing to their low-calorie nature?
Answer
Around 96%
A defining physical characteristic of lettuce, including the red leaf varieties, is its extremely high water content, which is central to its benefits for weight management strategies. Red leaf varieties are comprised of approximately 96% water. This high hydration level means that consuming lettuce promotes a sensation of fullness, aiding satiety, without contributing a significant caloric load to the diet. This low caloric density, combined with high water content, makes lettuce an excellent staple for dietary plans focused on caloric restriction.

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