resistance, and leptin secretion by adipose tissue are of majorimportance. Body weight loss is among the first-line therapeutictargets, therefore nutritional intervention should bea vital element of complex treatment also among people withprimary hypertension [3]. The aim of the study was to assessthe impact of individualised nutritional intervention amongobese and/or overweight patients with primary hypertensionon nutritional status, blood pressure (BP), and selected biochemicalparameters, including glucose, insulin, and leptinserum concentrations.