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Stop living in fear of the next kidney stone.
Start reducing stone risk and protecting your kidneys with a system that goes beyond “avoid spinach and drink more water.”
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You can get instant, self-paced access for $147 here.**
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No apps, no communities, no labs required, no additional purchases—just a structured kidney-protection system you can implement today.
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You shouldn’t have to wait for another stone episode to learn what your kidneys needed months ago; with the Kidney Stone Prevention & Kidney Aging Risk Reduction System: you won’t.
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Have you passed a kidney stone and never want to feel that pain again—while suspecting the damage doesn’t stop between episodes?
This course helps you move beyond “wait and see,” showing you how to understand your risk and make targeted changes so you’re not relying on handouts and luck to avoid the next one.
Do your labs show elevated urinary oxalate, but no one has explained what to actually do about it—or whether it matters for your long-term kidney function?
Inside, you’ll learn how to interpret oxalate in the context of kidney aging, what it realistically means for you, and how to turn those numbers into a practical, stepwise plan instead of ongoing anxiety.
Do you eat a plant-forward diet and want to protect your kidneys proactively, even if you’ve never had a stone or tested your oxalate levels?
This course is designed to help you keep the benefits of a diverse, plant-rich diet while reducing avoidable oxalate-related stress on your kidneys, using nuanced adjustments rather than extreme restriction.
If any of these sound familiar, this kidney stone prevention and kidney protection course was built for you.
Kat Fu, M.S., M.S. Founder, The Longevity Vault
Kat has spent nearly 20 years systematically optimizing her own health and aging using labs, research, and long-term tracking—while balancing real-world constraints.
Her work focuses on turning dense, mechanistic research into practical courses for adults in midlife and beyond. She builds frameworks that connect:
Kat also eats a high-diversity, plant-forward diet—often more than 30 plant foods per week—so she lives with the same oxalate trade-offs many students face. She cares about protecting kidneys and long-term health without blowing up the rest of someone’s longevity strategy.
This kidney stone prevention and kidney protection course grew out of that combination: rigorous research synthesis, real-world lab experience, and practical, test-informed design.
This is not a “avoid spinach and drink more water” PDF.
This course: