I’m Starting to Worry about Artificial Sweeteners.

Physionic

Oct 2, 2025

Episode description

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0:00 - Introduction
0:32 - Sweeteners and Declining Brain Health
2:52 - Why I'm Worried...
6:18 - Main Points/Key Takeaways

References
[Study 522] Gonçalves NG, Martinez-Steele E, Lotufo PA, et al. Association Between Consumption of Low-and No-Calorie Artificial Sweeteners and Cognitive Decline: An 8-Year Prospective Study. ​ Neurology. 2025;105:e214023. doi:10.1212/WNL.0000000000214023.

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

[A] McGlynn ND, Khan TA, Wang L, et al. Association of Low- and No-Calorie Sweetened Beverages as a Replacement for Sugar-Sweetened Beverages With Body Weight and Cardiometabolic Risk: A Systematic Review and Meta-analysis. JAMA Netw Open. 2022;5(3):e222092. Published 2022 Mar 1. doi:10.1001/jamanetworkopen.2022.2092

[B] Spiers PA, Sabounjian L, Reiner A, Myers DK, Wurtman J, Schomer DL. Aspartame: neuropsychologic and neurophysiologic evaluation of acute and chronic effects. Am J Clin Nutr. 1998;68(3):531-537. doi:10.1093/ajcn/68.3.531

[C] Lapierre KA, Greenblatt DJ, Goddard JE, Harmatz JS, Shader RI. The neuropsychiatric effects of aspartame in normal volunteers. J Clin Pharmacol. 1990;30(5):454-460. doi:10.1002/j.1552-4604.1990.tb03485.x

[D] Lindseth GN, Coolahan SE, Petros TV, Lindseth PD. Neurobehavioral effects of aspartame consumption. Res Nurs Health. 2014;37(3):185-193. doi:10.1002/nur.21595

[E] Sucralose reduced cognitive function vs sucrose: López-Meza MS, Otero-Ojeda G, Estrada JA, Esquivel-Hernández FJ, Contreras I. The impact of nutritive and non-nutritive sweeteners on the central nervous system: preliminary study. Nutr Neurosci. 2022;25(8):1623-1632. doi:10.1080/1028415X.2021.1885239

[F] Maben AL, Smith AP. Sugar, aspartame and mental performance: a preliminary investigation. Hum Psychopharmacol Clin Exp. 1996;11(1):21-23.

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.

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

Erythritol and Heart Disease Video: https://youtu.be/tyW5GWZVpmA?si=BoC59ATgRmHwMmrU

Created with Biorender

0:00 - Introduction
0:32 - Sweeteners and Declining Brain Health
2:52 - Why I'm Worried...
6:18 - Main Points/Key Takeaways

References
[Study 522] Gonçalves NG, Martinez-Steele E, Lotufo PA, et al. Association Between Consumption of Low-and No-Calorie Artificial Sweeteners and Cognitive Decline: An 8-Year Prospective Study. ​ Neurology. 2025;105:e214023. doi:10.1212/WNL.0000000000214023.

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

[A] McGlynn ND, Khan TA, Wang L, et al. Association of Low- and No-Calorie Sweetened Beverages as a Replacement for Sugar-Sweetened Beverages With Body Weight and Cardiometabolic Risk: A Systematic Review and Meta-analysis. JAMA Netw Open. 2022;5(3):e222092. Published 2022 Mar 1. doi:10.1001/jamanetworkopen.2022.2092

[B] Spiers PA, Sabounjian L, Reiner A, Myers DK, Wurtman J, Schomer DL. Aspartame: neuropsychologic and neurophysiologic evaluation of acute and chronic effects. Am J Clin Nutr. 1998;68(3):531-537. doi:10.1093/ajcn/68.3.531

[C] Lapierre KA, Greenblatt DJ, Goddard JE, Harmatz JS, Shader RI. The neuropsychiatric effects of aspartame in normal volunteers. J Clin Pharmacol. 1990;30(5):454-460. doi:10.1002/j.1552-4604.1990.tb03485.x

[D] Lindseth GN, Coolahan SE, Petros TV, Lindseth PD. Neurobehavioral effects of aspartame consumption. Res Nurs Health. 2014;37(3):185-193. doi:10.1002/nur.21595

[E] Sucralose reduced cognitive function vs sucrose: López-Meza MS, Otero-Ojeda G, Estrada JA, Esquivel-Hernández FJ, Contreras I. The impact of nutritive and non-nutritive sweeteners on the central nervous system: preliminary study. Nutr Neurosci. 2022;25(8):1623-1632. doi:10.1080/1028415X.2021.1885239

[F] Maben AL, Smith AP. Sugar, aspartame and mental performance: a preliminary investigation. Hum Psychopharmacol Clin Exp. 1996;11(1):21-23.

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.

Mindsip insights from this episode:

Recognize sweeteners' link to cognitive decline despite health adjustments

The association between sweeteners and cognitive decline persisted even after researchers statistically controlled for other health factors like being overweight or having cardiovascular disease.

Critique intervention studies on sweeteners for cognitive effects

While many intervention studies on sweeteners show no negative cognitive effects, they are often of poor quality with improper controls, making it hard to draw strong conclusions.

Avoid xylitol and erythritol to protect cognitive health

Of the sweeteners analyzed, xylitol and erythritol showed the greatest association with cognitive decline, warranting a 'safer than sorry' approach until more data is available.

Limit non-nutritive sweeteners to protect cognitive health in diabetics

The link between non-nutritive sweeteners and cognitive decline is significantly stronger in people with compromised metabolic health, such as type 2 diabetes.

Limit diet drink intake to avoid high consumption risks

Consuming just a single diet drink per day, containing 80 to 150 milligrams of sweeteners, is enough to place someone in the study's moderate to high consumption group.

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