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Avoidance of added salt for 6-12-month-old infants: A narrative review
1Graduate School, Heilongjiang University of Chinese Medicine, Harbin, China.
Abstract:
Most nutrition guidelines recommend avoiding foods with added salt for infants aged 6-12 months. However, the reason for no added salt lacks enough and reliable evidence. We re-searched and re-studied the relevant evidence. We searched PubMed and the Cochrane database for English-language studies published from 1904 through 2021. We also searched the databases of the websites of different national institutions. Randomized clinical trials (RCTs), systematic reviews, observational studies, and dietary guidelines were included in this review. The kidneys of infants aged 6-12 months have adequate sodium excretion capacity. There is insufficient evidence that high salt (sodium) intake early in life might lead to hypertension or salty diet preference in adults. Infants aged 6-12 months might be at risk of low sodium intake of only 150-300 mg of sodium/day, which may not meet the body's needs, if their supplementary food is not adequately salted.
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