Do Vitamin Mineral Supplements such as Potassium, Calcium or Magnesium Help Lower Blood Pressure?
So far, research has shown that potassium does lower blood pressure. Studies have not indicated that calcium and magnesium supplements prevent high blood pressure. Here's the latest:
Potassium helps to prevent and control high blood pressure. Be sure to get enough potassium in the foods you eat. Some good sources are various fruits, vegetables, dairy foods, and fish.
Foods High in Potassium
Food
Serving Size
Potassium (mg)
Apricots, dried
10 halves
407
Avocados, raw
1 ounce
180
Bananas, raw
1 cup
594
Beets, cooked
1 cup
519
Brussel sprouts, cooked
1 cup
504
Cantaloupe
1 cup
494
Dates, dry
5 dates
271
Figs, dry
2 figs
271
Kiwi fruit, raw
1 medium
252
Lima beans
1 cup
955
Melons, honeydew
1 cup
461
Milk, fat free or skim
1 cup
407
Nectarines
1 nectarine
288
Orange juice
1 cup
496
Oranges
1 orange
237
Pears (fresh)
1 pear
208
Peanuts dry roasted, without salt
1 ounce
187
Potatoes, baked, flesh and skin
1 potato
1081
Prune juice
1 cup
707
Prunes, dried
1 cup
828
Raisins
1 cup
1089
Spinach, cooked
1 cup
839
Tomato products, canned, sauce
1 cup
909
Winter squash
1 cup
896
Yogurt plain, skim milk
8 ounces
579
Values were obtained from the USDA Nutrient Database for Standard References, Release 15 for Potassium, K (mg) content of selected foods per common measure.
Calcium and Magnesium. These nutrients have not been consistently shown to prevent high blood pressure, but are important nutrients for overall good health.
Good sources of calcium are dairy foods such as milk, yogurt, and cheese. Be sure to choose skim or lowfat varieties. Lowfat and nonfat dairy products have more calcium than the high fat versions.
Foods High in Calcium
Food
Serving Size
Calcium (mg)
Broccoli, raw
1 cup
42
Cheese, cheddar
1 oz
204
Milk, fat free or skim
1 cup
301
Perch
3 oz
116
Salmon
3 oz
181
Sardine
3 oz
325
Spinach, cooked
1 cup
245
Turnip greens, cooked
1 cup
197
Tofu, soft
1 piece
133
Yogurt plain, skim milk
8 oz container
452
Values were obtained from the USDA Nutrient Database for Standard References, Release 15 for Calcium, Ca (mg) content of selected foods per common measure.
You should get enough magnesium if you follow a healthy diet. Magnesium is found in whole grains, green leafy vegetables, nuts, and dry peas and beans
Foods High in Magnesium
Food
Serving Size
Magnesium (mg)
Beans, black
1 cup
120
Broccoli, raw
1 cup
22
Halibut
fillet
170
Nuts, peanuts
1 oz
64
Okra, frozen
1 cup
94
Oysters
3 oz
49
Plantain, raw
1 medium
66
Rockfish
1 fillet
51
Scallop
6 large
55
Seeds, pumpkin and squash
1 oz (142 seeds)
151
Soy milk
1 cup
47
Spinach, cooked
1 cup
157
Tofu
block
37
Whole grain cereal, ready-to-eat
cup
24
Whole grain cereal, cooked
1 cup
56
Whole wheat bread
1 slice
24
Values were obtained from the USDA Nutrient Database for Standard References, Release 15 for Magnesium, Mg (mg) content of selected foods per common measure.