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Olive Potassium Levels

author image Melodie Anne
Melodie Anne Coffman specializes in overall wellness, with particular interests in women's health and personal defense. She holds a master's degree in food science and human nutrition and is a certified instructor through the NRA. Coffman is pursuing her personal trainer certification in 2015.
Olive Potassium Levels
Bowls of olives on a wooden table. Photo Credit OlgaMiltsova/iStock/Getty Images

Because potassium is necessary for critical life functions, including powering your heart, you need a lot of the mineral in your diet. Olives do give you some potassium, although you’ll only get a trace amount. If you eat a lot of olives, you could actually be doing more harm than good. Olives are loaded with sodium, which can be dangerous for your health in high amounts.

Functions of Potassium

Electrolytes, such as potassium, balance fluids in your body. They ensure that the pressure of fluid in and around all cells is always consistent. Potassium works with other electrolytes to conduct electrical impulses from cell to cell. This function is essential for making your heart beat, transmitting brain messages and for allowing your muscles to contract. Even your metabolism relies on potassium to activate certain enzymes.

Potassium in Olives

Ripe canned black olives are very low in potassium. A 3 1/2-ounce portion, which is about 6 1/2 super colossal olives, 12 jumbo olives, 23 large olives or 31 small olives, provides less than 10 milligrams. A similar-sized portion of canned green olives, or around 37 olives, has slightly more than 40 milligrams of potassium.

Your Potassium Needs

The Food and Nutrition Board of the Institute of Medicine recommends people age 14 and older get 4,700 milligrams of potassium every day. The recommendation doesn’t change based on gender, pregnancy status or aging. However, if you are a woman who is breast-feeding, you’ll have to temporarily increase your potassium intake to 5,100 milligrams daily. Even if you had a serving of green olives, which have more potassium, you’ll still get less than 1 percent of your recommendation.

Sodium Considerations

Olives are canned in a salty solution to help with preservation. High intakes of sodium can throw off your potassium balance, increase your risk of high blood pressure and eventually lead to kidney and heart disease. Limit yourself to no more than 2,300 milligrams of sodium daily, states the Dietary Guidelines for Americans 2010. If you’re in the habit of popping a handful of olives in your mouth, you’re probably getting way more sodium than you are aware of. Ripe canned black olives contain 735 milligrams of sodium per 3 1/2-ounce portion. The same portion of green olives has more than double that amount. That’s roughly 65 percent of your sodium allowance for the entire day.

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