33:630:363 Lecture Notes - Lecture 6: Bone Mineral, Hip Fracture, Broccoli
15 Jan 2020
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Rda for vitamin d (1 ug = 40 iu: 15 ug (600 iu) for all age groups, 20 ug (600 iu) for adults > 70. 300 mg (30% of daily value) : 1 cup yogurt, 1 cup milk, 1 cups cooked kale, 2 cup cooked broccoli, 8 cups cooked spinach, 1 oz cheddar cheese. Calcium carbonate: requires good stomach acid, take with acidic food, least expensive. Calcium citrate: use with low stomach acid, take with or without food, more expensive. Goal achieve serum 25(oh)d of >30 ng/dl. Phosphorus: about 800 mg p for every 1000 mg ca, too much p to ca reduces formation of calcitriol and lowers serum ca which increases pth. Vitamin k: supports modification of several bone matrix proteins, including osteocalcin, obtained from dark green leafy vegetables. Potassium: consume 5+ servings fruit/vegetables daily, low k+ = increased ca excretion, high k+ = decreased ca excretion.
