The Claim

Daily supplementation with 10 grams of L-citrulline for four weeks significantly improves brachial artery flow-mediated dilation by 1.6% and reduces resting aortic systolic blood pressure by 4 mmHg in hypertensive postmenopausal women, indicating enhanced endothelial function and reduced arterial stiffness in this population.

Source: L-Citrulline Supplementation Improves Arterial Blood Flow and Muscle Oxygenation during Handgrip Exercise in Hypertensive Postmenopausal Women

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
66score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Quantitative
1 study reviewed
In plain English

Taking 10 grams of L-citrulline daily for four weeks leads to a measurable improvement in blood vessel function and a small reduction in blood pressure in women with high blood pressure who have gone through menopause.

See the scientific wording

Four weeks of daily 10-gram L-citrulline supplementation significantly improves brachial artery flow-mediated dilation by 1.6% and reduces resting aortic systolic blood pressure by 4 mmHg in hypertensive postmenopausal women, indicating enhanced endothelial function and reduced arterial stiffness in this population.

What the research says

1 study
  1. Study: L-Citrulline Supplementation Improves Arterial Blood Flow and Muscle Oxygenation during Handgrip Exercise in Hypertensive Postmenopausal Women

    This study found that taking 10 grams of L-citrulline every day for four weeks helped improve blood flow and lower blood pressure in women with high blood pressure after menopause, exactly as the claim says.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.