Fiber on Blood Pressure: The Details you’ve Never Heard

Physionic

Mar 5, 2025

Episode description

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Created with Biorender

0:00 - Introduction
0:42 - How does Fiber work?
2:45 - Disagreement in the Clinical Studies...
7:30 - Conditional Effectiveness...
9:43 - Sources and Amount of Fiber
10:35 - Take Aways

References
[Study 415] Streppel MT, Arends LR, van 't Veer P, Grobbee DE, Geleijnse JM. Dietary fiber and blood pressure: a meta-analysis of randomized placebo-controlled trials. Arch Intern Med. 2005;165(2):150-156. doi:10.1001/archinte.165.2.150

Funding/Conflicts: No Funding / No direct Conflicts of Interest

[Study 416] Whelton SP, Hyre AD, Pedersen B, Yi Y, Whelton PK, He J. Effect of dietary fiber intake on blood pressure: a meta-analysis of randomized, controlled clinical trials. J Hypertens. 2005;23(3):475-481. doi:10.1097/01.hjh.0000160199.51158.cf

Funding/Conflicts: Public Funding [National Heart, Lung, and Blood Institute; Tulane-Charity-LSU General Clinical Research Center] / No direct Conflicts of Interest

[Study 417] Ghavami A, Banpouri S, Ziaei R, et al. Effect of soluble fiber on blood pressure in adults: a systematic review and dose-response meta-analysis of randomized controlled trials. Nutr J. 2023;22(1):51. Published 2023 Oct 13. doi:10.1186/s12937-023-00879-0

Funding/Conflicts: No Funding / No direct Conflicts of Interest


********CRITIQUES, RULES, AND NOTES********

Be aware of the following rules before posting comments:
- Please do not post summaries of the video in the comments - it damages retention on the video and YouTube is less likely to promote it (these videos cost me a lot of money to produce).

Critiques of my work are welcome! Please be aware of the following notes & rules before submitting critique:

Be mindful that this content is not all encompassing on the subject at hand and is self-limited for brevity to reach a wider audience. Also, be aware that I receive hundreds of YouTube comments per day, so the only way your critique can be considered is if you follow the steps outlined below. Finally, YouTube auto-deletes links, so I do not see most comments with links attached.

RULES:
If your comment is rude, you will be banned.
If your comment is not about the studies/topics at hand (i.e. extending to other outcomes not discussed) or offers critique with no scientific basis, it is unlikely to receive a response.

If you can follow these rules, I will try to address your critique and if there is merit, I will add an AMENDMENT to the content in question and pin it so everyone can see it (thank you!).

Please use the following link to submit your critique: https://bit.ly/PhysionicCritique

Disclaimer: None of the information provided by this brand is a replacement for your physician's advice. This brand is information for the sake of knowledge and the options of choice it provides, not in any way a personalized prescription. Please consult your physician before making any health related changes.

#bloodpressuretreatment #bloodpressuremanagement #heartdiseaseprevention

Episode description

*JOIN THE PHYSIONIC INSIDERS [PREMIUM CONTENT]*
Join the Physionic Insiders: https://bit.ly/PhysionicInsiders2

*HEALTH AUTONOMY [COURSE]*
Learn to Analyze & Apply Studies for Yourself: https://bit.ly/healthautonomy

*JOIN THE COMMUNITY*
Join my Community [It’s Free!]: https://bit.ly/PhysionicCommunity2

*EMAIL LIST*
1-2 Weekly Email of Value [It’s Free!]: http://bit.ly/2AXIzK6

*HIRE ME FOR CONSULTING:*
Consulting: https://bit.ly/3dmUl2H

Created with Biorender

0:00 - Introduction
0:42 - How does Fiber work?
2:45 - Disagreement in the Clinical Studies...
7:30 - Conditional Effectiveness...
9:43 - Sources and Amount of Fiber
10:35 - Take Aways

References
[Study 415] Streppel MT, Arends LR, van 't Veer P, Grobbee DE, Geleijnse JM. Dietary fiber and blood pressure: a meta-analysis of randomized placebo-controlled trials. Arch Intern Med. 2005;165(2):150-156. doi:10.1001/archinte.165.2.150

Funding/Conflicts: No Funding / No direct Conflicts of Interest

[Study 416] Whelton SP, Hyre AD, Pedersen B, Yi Y, Whelton PK, He J. Effect of dietary fiber intake on blood pressure: a meta-analysis of randomized, controlled clinical trials. J Hypertens. 2005;23(3):475-481. doi:10.1097/01.hjh.0000160199.51158.cf

Funding/Conflicts: Public Funding [National Heart, Lung, and Blood Institute; Tulane-Charity-LSU General Clinical Research Center] / No direct Conflicts of Interest

[Study 417] Ghavami A, Banpouri S, Ziaei R, et al. Effect of soluble fiber on blood pressure in adults: a systematic review and dose-response meta-analysis of randomized controlled trials. Nutr J. 2023;22(1):51. Published 2023 Oct 13. doi:10.1186/s12937-023-00879-0

Funding/Conflicts: No Funding / No direct Conflicts of Interest


********CRITIQUES, RULES, AND NOTES********

Be aware of the following rules before posting comments:
- Please do not post summaries of the video in the comments - it damages retention on the video and YouTube is less likely to promote it (these videos cost me a lot of money to produce).

Critiques of my work are welcome! Please be aware of the following notes & rules before submitting critique:

Be mindful that this content is not all encompassing on the subject at hand and is self-limited for brevity to reach a wider audience. Also, be aware that I receive hundreds of YouTube comments per day, so the only way your critique can be considered is if you follow the steps outlined below. Finally, YouTube auto-deletes links, so I do not see most comments with links attached.

RULES:
If your comment is rude, you will be banned.
If your comment is not about the studies/topics at hand (i.e. extending to other outcomes not discussed) or offers critique with no scientific basis, it is unlikely to receive a response.

If you can follow these rules, I will try to address your critique and if there is merit, I will add an AMENDMENT to the content in question and pin it so everyone can see it (thank you!).

Please use the following link to submit your critique: https://bit.ly/PhysionicCritique

Disclaimer: None of the information provided by this brand is a replacement for your physician's advice. This brand is information for the sake of knowledge and the options of choice it provides, not in any way a personalized prescription. Please consult your physician before making any health related changes.

#bloodpressuretreatment #bloodpressuremanagement #heartdiseaseprevention

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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