Dietary nitrate supplementation, which improves skeletal muscle oxygen utilisation, vascular endothelial function and exercise capacity in people with chronic obstructive pulmonary disease, may benefit other lung conditions. In a double-blind, placebo-controlled, crossover study, in 19 adults with Group 3 pulmonary hypertension who desaturated during exercise, 140 mL of nitrate-rich beetroot juice improved endurance shuttle walk time compared with nitrate-depleted beetroot juice placebo (median (IQR) ESWT NR-BRJ 197 (140-273) s vs PL-BRJ 174 (107-229) s; median difference (MD) (95% CI) 30 (6.19 to 91.
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January 2025