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Home » Blog » Toxic Foods and Kidney Stones

Toxic Foods and Kidney Stones

Jill Harris, LPN, CHC Avatar

Written by

Jill Harris, LPN, CHC

Updated

April 2, 2026

If you’ve ever had a kidney stone, you know the feeling. You’re in pain, real pain, the kind that makes you say, “I will do anything to never go through this again.”

So you start searching, trying to figure out what to eat, what to avoid, what caused it. And within minutes, the internet has you believing everything is dangerous.

Spinach. Almonds. Sugar. Salt. Protein. At some point, it starts to feel like food itself is the problem, and now you’re stuck, overwhelmed, and afraid to make the wrong move.

I see this every day. People don’t come to the Kidney Stone Diet® calm and curious. They come in scared.

They’ve just been through something painful and often traumatic, and they’re trying to get control back. But instead of getting clear, practical guidance, they’re met with extreme language and rigid rules.

Words like “toxic” don’t educate people. They judge them. They make people feel like they’ve already failed, like they can’t be trusted with their own choices, like everything they’ve been doing is wrong.

Why the Wellness Industry Loves Fear

The wellness industry throws around the word “toxic” because fear sells. If they can convince you that everything is dangerous, you’ll start reaching for the powders, pills, and promises to “fix” it.

And it works.

This is a multi-trillion-dollar industry (6.8 trillion, to be exact) that often takes your hard-earned money while leaving you with the same problems you started with.

I don’t like that approach and I don’t teach that way. Ever.

Part of the reason is that I know what it feels like to be sick and not know who to listen to.

When I was going through cancer, I heard advice from every direction. People were confident, loud, convincing, but not always helpful. And underneath all of it was that quiet, exhausting question: Am I doing this right? That feeling doesn’t help you heal. It makes everything heavier.

What Actually Prevents Kidney Stones

What actually helps is clarity. Understanding what matters most. Knowing where to start. Realizing that your body isn’t fragile; it’s responsive. No one makes a stone in a day. That means no single food is the villain.

There’s an old saying: the dose makes the poison. That’s exactly how you should think about food. It’s not about labeling something as good or bad. It’s about how much, how often, and what your overall pattern looks like.

Kidney stones are built over time from patterns: how much you drink, how much sodium you take in, whether you’re getting enough calcium with meals, and how your habits stack up day after day. That’s where the real work is, and that’s also where the real power is.

When everything gets labeled as “toxic,” people either swing to extremes or shut down completely. They try to be perfect and burn out, or they give up because it feels impossible. Neither of those paths prevents stones.

Portion, Not Perfection

What works is something much simpler and much more sustainable: small, consistent changes that you can actually live with. Drinking more water. Paying attention to sodium in a realistic way. Getting enough calcium with meals. Balancing your diet instead of stripping it down.

This is why I say it all the time: portion, not perfection.

You don’t need to be afraid of your food. You need to understand it. And once you do, this gets a whole lot less overwhelming.

If you’re feeling confused or discouraged, take a breath. You are not behind. You are not doing this wrong. You are learning, and that takes time. I’m here to help you make this simple, practical, and something you can stick with for life.

Your friend, Nurse Jill

PS: If everything feels “toxic,” it’s not your diet that’s broken. It’s the message. Let’s fix that first.

When you’re ready, here’s how I can help you prevent kidney stones

Since 1998, I’ve helped thousands of patients prevent kidney stones. With my Kidney Stone Diet All-Access Pass, you get access to every prevention tool I’ve ever created:

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And, as a BONUS, you’ll get my flagship Kidney Stone Prevention Course (normally $249) absolutely free!

Learn More!

Jill Harris, LPN, CHC Avatar

About the Author

Jill Harris is a Licensed Practical Nurse (LPN) who specializes in kidney stone prevention. Her goal is to teach you what you need to know and, more importantly, how to put that knowledge to work so you can stop forming stones. For good.
  1. Susan Connison Avatar
    Susan Connison
    March 28, 2026

    Thank you, Jill, for what you so kindly, and graciously, (and freely) relayed in the above email. I deal with kidney stones every so many years, and each time I have to have them surgically removed; I never pass them. I’ve also had a Lithotripsy procedure. Just as you described in your article, I have panicked (The kidney stone pain is SO bad!), and I live in fear regarding the consumption of certain foods. I have had to eliminate so many food items (even the good foods such as red beets, spinach, almonds, etc.), that the joy of eating has diminished significantly. I just want to thank you for the information which you shared. Because of a limited income, I am not able to purchase a subscription to what you offer. I’m not looking for pity; I just wanted to explain. Most of all, I wanted to thank you for the information which you shared, and which is going to benefit me. Your emphasis on portion, rather than perfection, is very helpful.

    Thank you,
    Susan Connison

    Reply
    1. Jill Harris, LPN, CHC Avatar
      Jill Harris, LPN, CHC
      April 1, 2026

      Hi Susan,
      I cannot stress enough that this all comes down to portion not perfection. Most of my time with consults is bringing food BACK to people so they can enjoy living again.
      Nurse Jill

      Reply
  2. Mallary Guinn Avatar
    Mallary Guinn
    March 28, 2026

    Thank you for all your emails. They have been very helpful. I have been studying your info, and also Dr. Coe’s video and information because I am 50/50 calcium oxalate and calcium phosphorus. I am 76 yrs old and just had my 1st surgery for stones a few months ago. It is confusing when I need to have calcium with one kind of stone but am not suppose to have dairy products with the other. So many foods have phosphorus in them, including oat milk. Do your recipes and food plans deal with having both of these stones or are they mainly for oxalate stones? Thank you.

    Reply
    1. Jill Harris, LPN, CHC Avatar
      Jill Harris, LPN, CHC
      April 1, 2026

      Hi Mallary,
      Unless you have CKD you can have phosphorus found in dairy products. That is NOT making a phosphate stone. My meal plan addresses all the goals of the kidney stone diet: lower sodium, lower added sugar (most recipes have 0 added sugar), and of course, lower oxalate. So I think you are a bit confused about phosphorus, this does NOT lead to phosphate stones. Two different things.
      Hope this helps.
      Nurse Jill

      Reply
  3. Barbara Beauregard Avatar
    Barbara Beauregard
    March 30, 2026

    Is it true that drinking coconut water keeps kidney stones from forming?

    Reply
    1. Jill Harris, LPN, CHC Avatar
      Jill Harris, LPN, CHC
      April 1, 2026

      Hi Barbara,
      Nope, not in the least. BUT. It is fluids, so that always aids in prevention!
      j

      Reply
  4. Mary Elizabeth Edging (Beth) Avatar
    Mary Elizabeth Edging (Beth)
    April 2, 2026

    I have a upside down Kidney. I get kidnetstones on a regular basis. I am also diabetic. My A1C has been over 400 the past 3 years. I have a calcium stone that is filling my upside down Kidney. I need surg ASAP Dr Manish Patel tells me. If not he will have to in through my back. But Endocrinologist says it is too dangerous and no one is willing to put under unless my numbers are under 180. I also have GI issues and terrible nuerapathy. Nothing I do is working. Thank you for reading. I am in terrible pain.

    Reply
    1. Jill Harris, LPN, CHC Avatar
      Jill Harris, LPN, CHC
      April 2, 2026

      Hi Mary,
      I am very sad to hear about the pain you are in and hope that the doctors can work together to figure out the best way to proceed on removing that stone.
      Nurse Jill

      Reply
  5. Linda Sciortino Avatar
    Linda Sciortino
    April 2, 2026

    Thank you Jill for including me on your email list to educate me on a subject most people know little about and for guiding me in understanding how to try to prevent another kidney stone episode from occurring again. Even my doctor’s office could only provide a list of foods for a renal diet. But thanks to you, I have revised my grocery list to be more conscious of low oxalate/sodium items to tweak my favorite recipes and change the way I eat. The comments you received from Susan Connison on 3/28/26 summed up everything I’ve experienced too, but mostly I wanted to let you know how much I appreciate hearing from you as a friend who understands my thoughts or fears and are there to provide your helpful knowledge to me with new information each week.
    Thank you ~

    Reply
    1. Jill Harris, LPN, CHC Avatar
      Jill Harris, LPN, CHC
      April 4, 2026

      Hi Linda,
      It is a privilege to be able to help clear the confusion. Keep working hard. The Kidney Stone Diet® is great for kidney stones AND generally good health!
      Jill

      Reply

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