Top 10 nutritious vegetables you must eat in winter (4)

4. Sweet potato

Sweet potato is nutritious food among all crops. Sweet potato can supply a large number of mucus protein, carbohydrates, vitamin A and vitamin C, which can nourish spleen, stomach, lungs, and kidneys. Therefore, regular consumption of sweet potatoes can prevent liver and kidney tissue atrophy and avoid the occurrence of collagen diseases.

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