At my annual exam a couple of weeks ago, the 4th-year-medical student that met with me to go through my concerns prior to seeing my doctor encouraged me “since I don’t eat meat or dairy” to supplement my diet with calcium. She gave me an ominous look and informed me that I have about 2.5 years to “pack in all the calcium [you] can, because when we [women] turn 30, it just goes down from there”. I nodded obediently, and the conversation went elsewhere.
But here’s what I wanted to say: “The average bone loss for a vegetarian woman at age 65 is 18 percent; for non-vegetarian women, it’s double that. Researchers attribute this to the consumption of excess protein–the average meat-eating American woman eats 144 percent over the recommended daily allowance; the average man eats 175 percent more. Excess protein interferes with the absorption and retention of calcium and actually prompts the body to excrete calcium, laying the ground for the brittle bone disease osteoporosis. Animal proteins, including milk, make the blood acidic, and to balance that condition, the body pulls calcium from bones. So rather than rely on milk for calcium, vegetarians turn to dark green leafy vegetables, such as broccoli and legumes, which, calorie for calorie, are superior sources.” (see here) I also know that a consistent practice of yoga incorporating weight-bearing poses stimulates the body to retain calcium. (here)
What are your thoughts on calcium, and for that matter, on supplements in general — do you feel the need to take them??
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