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02 Apr 2007

Osteoporosis
Don't spinach and almonds contain oxalic acid which would interfere with calcium absorption?
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Expert
Healthy Bones
Healthy Bones

01 Jan 0001

Dear Jennybee
Yes, green vegetables like spinach and broccoli contain oxalates and phytates which enhance calcium excretion in the urine. This holds true only for the calcium of that specific foodstuff and won't affect calcium from supplements or dairy products. That is why, alhough these vegetables contain reasonable amounts of calcium, you need to eat a few kilos of them to get to the RDA for calcium.
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