Drinking beetroot juice in a warm room doesn't make your blood pressure go down compared to drinking a placebo in the same warm room.

Scientific Claim

Nitrate-rich beetroot juice supplementation does not significantly lower systolic blood pressure in normothermic conditions (28°C) in healthy young males, with systolic blood pressure measurements of 113 ± 9 mmHg in nitrate-supplemented conditions versus 117 ± 6 mmHg in placebo conditions.

Original Statement

“SBP at 3 h was not different between PL-Norm (117 ± 6 mmHg) and BR-Norm (113 ± 9 mmHg) (dz = 0.69, P > 0.05)”

From study:Nitrate ingestion blunts the increase in blood pressure during cool air exposure: a double-blind, placebo-controlled, randomized, crossover trial

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

definitive

Can make definitive causal claims

Assessment Explanation

The study design allows for causal inference about this specific comparison. The language accurately reflects the lack of significant difference without overgeneralization.

Evidence from Studies

Supporting (1)

Nitrate ingestion blunts the increase in blood pressure during cool air exposure: a double-blind, placebo-controlled, randomized, crossover trial

Randomized Controlled Trial

Human

2024 Jun 1

Contradicting (0)

No contradicting evidence found

Source Study

Nitrate ingestion blunts the increase in blood pressure during cool air exposure: a double-blind, placebo-controlled, randomized, crossover trial

Score: 60

DOI: 10.1152/japplphysiol.00593.2023

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