Smoothies & Juices

Kidney Stones and Spinach, Chard, and Beet Greens: Don’t Eat Too Much



Given their oxalate content, how much is too much spinach, chard, beet greens, chaga mushroom powder, almonds, cashews, star fruit, and instant tea?

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If you missed it, be sure to check out the previous video: Oxalates in Spinach and Kidney Stones: Should We Be Concerned? (

To be clear, I encourage everyone to eat huge amounts of dark green leafies every day, the healthiest food on the planet, but if you follow this advice (and you should!) then just choose any of the other wonderful greens. If you eat regular boring amounts of greens (like a serving a day) then it doesn’t matter which you choose. I continue to eat spinach, beet greens, and chard all the time. It’s just that you can overdo those three, so when I’m trying to hit my pound-a-day green leafy quota I personally do mostly kale, collards, and arugula, which also happen to have the added benefit of being cruciferocious!

Why are greens so good for us? How aren’t they?!
• Eating Green to Prevent Cancer (
• The Broccoli Receptor: Our First Line of Defense (
• Greens vs. Glaucoma (
• Preventing Alzheimer’s Disease with Plants (
• Slowing Our Metabolism with Nitrate-Rich Vegetables (
• The Benefits of Kale & Cabbage for Cholesterol (
• Brain Healthy Foods to Fight Aging (
• Do Lutein Supplements Help with Brain Function? (

Some tips on how you might prep them for max benefit:
• How to Cook Greens (
• Second Strategy to Cooking Broccoli (
• Dr. Greger in the Kitchen: My New Favorite Beverage (

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Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

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