What If a ‘Good Sugar’ Could Improve Alzheimer’s?

What if the most powerful “sugars” aren’t fuel at all, but messages your immune system has been waiting to hear? We sit down with Dr John Lewis, a former professor whose lab uncovered striking cognitive improvements in people with moderate to severe Alzheimer’s after 12 months on a formula built from aloe and rice bran polysaccharides. The science takes us beyond calories and cravings into complex carbohydrates as signaling molecules—shaping inflammation, immune balance, and possibly neuroplasticity.We unpack polysaccharides 101, separating starch from functional giants like aloe acemannan and rice bran compounds. You’ll hear how these dense, 3D structures can influence CD4/CD8 ratios, natural killer cell activity, TNF-alpha, VEGF, and even CD14 cells tied to neural repair. The clinical story is matched by lived moments from caregivers who witnessed language and daily function return. We also dig into why conventional funding passed on this line of research, the dominance of amyloid-focused paradigms, and the gap between public talk about nutrition and what actually gets resourced.If you’ve wondered whether food could deliver these effects, we cover the practical realities: aloe gel is mostly water, rice bran is milled off white rice, and even daily brown rice may not supply meaningful doses—especially for older adults managing chronic inflammation. That’s where concentrated, third-party tested, GMP-produced supplementation can fit: small grams-per-day inputs that favor immune modulation without stimulants or sugar spikes. Along the way we explore prevention, aging, and how steady immune signaling may guard brain health long before problems start.Subscribe for more deep, evidence-led conversations on brain health, nutrition science, and longevity. If this episode challenged your view of “sugar,” share it with a friend and leave a review to help others find the show.https://drlewisnutrition.com/ Use "Lufkin10" for 10% off.⭐ Enjoying the show? Please leave a 5-star review on Apple Podcasts — it takes 30 seconds and helps more people discover the science of health and longevity. Thank you!New episodes every other Tuesday. Subscribe so you don't miss one.Continue this conversation on Substack: https://robertlufkinmd.substack.comLies I Taught In Medical School — Free sample chapter: https://www.robertlufkinmd.com/lies/Web: https://www.robertlufkinmd.comYouTube: https://www.youtube.com/robertlufkinmdX: https://x.com/robertlufkinmdInstagram: https://www.instagram.com/robertlufkinmd/TikTok: https://www.tiktok.com/@robertlufkinLinkedIn: https://www.linkedin.com/in/robertlufkinmd/