Vitamin C could lower BP

Pooled analysis of 29 studies in which participants took a median 500mg/d vitamin C supplement found systolic BP reduced by an average of 3.84mmHg and diastolic BP by 1.48mmHg.

The trials included in the systematic review involved healthy adults or patients with cardiovascular risk factors including hypertension or diabetes and BP outcomes assessed across a median eight weeks.

“Our meta-analysis suggests that vitamin C supplementation may have a useful role in lowering BP,” the authors wrote.

However they cautioned that before supplementation