The high salt intake in adults with metabolic syndrome is related to increased waist circumference and blood pressure: the Brazilian Longitudinal Study of Adult Health study (ELSA-Brasil)

•Salt intake is increased in individuals with metabolic syndrome, regardless of sex.•Salt intake increases progressively with the gathering of altered metabolic syndrome criteria.•The high salt intake in metabolic syndrome is associated with obesity and blood pressure.•Salt intake must be reduced, especially in those who are obese and with high blood pressure.