causal
50
0
Taking potassium supplements (like KCl) doesn't lower blood pressure, which shows that the blood pressure-lowering effect of nitrate supplements comes from the nitrate part, not the potassium.
Evidence Quality Assessment
Claim Status
appropriately stated
Study Design Support
Design supports claim
Appropriate Language Strength
definitive
Can make definitive causal claims
Assessment Explanation
This is a controlled study with KCl as an active control for potassium content, showing no significant effects on blood pressure or heart rate. The language 'does not significantly affect' appropriately describes the observed effect.
Evidence from Studies
Supporting (1)
50
50
Inorganic Nitrate Supplementation Lowers Blood Pressure in Humans: Role for Nitrite-Derived NO
Randomized Controlled Trial
Human
2010 AugContradicting (0)
0
No contradicting evidence found