Stability of blood pressure in vegetarians receiving dietary protein supplements.
Vegetarians have relatively low blood pressure (BP) levels and consume less protein than do nonvegetarians , and there have been suggestions that certain proteins may raise BP. To determine whether dietary protein supplements raise the BP of vegetarians, 58 g/per day of a 60:40 mixture of soy and wheat proteins and an isocaloric low protein supplement supplying 7 g/day of rice protein were added for 6-week periods to the diet of 18 vegetarians in a 2-group crossover design. Mean daily protein intake during consumption of the low and high protein supplements was 63 and 119 g, respectively. Mean BP was 109/72 mm Hg after the high protein and 108/71 mm Hg after the low protein diet. Consumption of other major nutrients, mean body weight, and sodium and potassium excretion did not change significantly. Thus, protein supplementation of a vegetarian diet that contained a below average but nutritionally adequate amount of protein did not significantly affect BP over 6 weeks.
D000328:Adult; D001794:Blood Pressure; D001835:Body Weight; D014676:Diet, Vegetarian; D004044:Dietary Proteins / Q000008:administration & dosage / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008297:Male; D014674:Plant Proteins, Dietary / Q000008:administration & dosage / Q000494:pharmacology*; D011188:Potassium / Q000652:urine; D012964:Sodium / Q000652:urine; D013997:Time Factors
D004044:Dietary Proteins; D014674:Plant Proteins, Dietary; D012964:Sodium; D011188:Potassium