Number 2 of the oxalate dirty dozen: spinach! Considered one of the healthiest greens but the problem is we aren’t looking at the anti nutrient that’s wrapped up with the nutrients. For instance, while spinach is high in calcium, it’s bound to oxalate. We can’t use it that way.
Just 1/2 cup of “baby” spinach (25 grams or 1/2 ounce) has over 150 mg of oxalate! That’s over 10 mg oxalate per gram of spinach leaves. We used to know this was a problem; spinach used for calcium in rat diets had catastrophic effects. academic.oup.com/jn/article-abs…
Note that rats fed spinach greens for their calcium content did not have bones develop properly. Animals entered the study at 21 days of age; by 90 days, 5 had died. They weighed only 60% of what the group getting turnip greens for calcium weighed. They also couldn’t reproduce.
The alternatives here are things like turnip greens which will likely be on my oxalate “clean fifteen”. 👍🏻
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