
Fiber on Blood Pressure: The Details you’ve Never Heard
Physionic
Mar 5, 2025
Mindsip insights from this episode:
Boost GLP-1 production with fiber for better blood pressure control
Short-chain fats from fiber also encourage the production of GLP-1, a peptide that can influence blood pressure by acting on the kidneys, heart, and blood vessels.
Recognize evolving health advice through updated research
Initial analyses from 2005 with fewer studies showed no effect, but a later analysis with 83 studies revealed fiber does reduce blood pressure, showing how conclusions evolve with more data.
Leverage fiber to lower blood pressure in hypertensive individuals
Fiber's blood pressure-lowering benefits are outsized for people with hypertension and just about non-existent for those with normal blood pressure.
Prioritize first 20 grams of daily fiber for blood pressure benefits
From a blood pressure standpoint, the first 20 grams of daily fiber intake are the most impactful, suggesting a point of diminishing returns.
Calculate daily fiber needs: 14 grams per 1,000 calories
A more precise way to calculate your daily fiber needs is to aim for 14 grams of fiber per 1,000 calories consumed.
Leverage fiber to lower blood pressure through gut health
Fiber is converted by gut microbes into short-chain fats that signal blood vessel cells to release nitric oxide, causing them to relax and lower blood pressure.
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