Onion is a helpful remedy to lower high blood pressure level. It contains anti-inflammatory and antiseptic properties that are beneficial in treating blood pressure. To use this method, you can eat one raw onion every day or consume the concoction of onion juice and honey. Prepare it by taking ½  tsp of onion juice combined with ½ tsp of honey 2-3 times every day. This will help you in lowering the blood pressure level. Repeat this method until you see some improvements.

Beyond changing your diet to minimize exposure to foods that increase blood pressure and emphasizing foods that reduce blood pressure, a number of nutritional supplements have been confidently demonstrated to reduce blood pressure. Several supplements, including vitamin D, magnesium, omega-3 fatty acids from fish oil, and anthocyanins, correct inadequate intakes of these nutrients that commonly occur with modern lifestyles.
When your blood pressure rises, your heart is working harder to pump blood to the rest of your body. This may lead to heart failure or a heart attack, especially in people with heart disease. Furthermore, the extra force exerted by blood may cause blood vessels to burst, resulting in bleeding. Blood vessels in the brain are especially likely to rupture, which can lead to a stroke.
Some examples of aerobic exercise you may try to lower blood pressure include walking, jogging, cycling, swimming or dancing. You can also try high-intensity interval training, which involves alternating short bursts of intense activity with subsequent recovery periods of lighter activity. Strength training also can help reduce blood pressure. Aim to include strength training exercises at least two days a week. Talk to your doctor about developing an exercise program. 

Although certain supplements may be helpful, it's important to understand they should never be used as a substitute for basic lifestyle choices that treat the real cause of the problem. Using only supplements without modifying your lifestyle is an allopathic approach not very different from using drugs. In most instances, it is not likely to be effective. Once you have made some beneficial changes to your lifestyle, you can then consider some of the following supplements as a way to further enhance your health:
THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.
Even if you don’t keep a salt shaker on the table, you may have too much sodium in your diet. Processed foods -- especially canned soups, salad dressings, snack mixes, and fast food -- are a large contributor of sodium to your diet. Read food labels and choose low-sodium options when possible. Aim to consume less than 2,300 milligrams per day, and less than 1,500 milligrams if you’ve already been diagnosed with hypertension.
Ginger, the spicy root often used in Asian cooking, could also help lower blood pressure. According to M. Jan Ghayur and A. Gilani from The Aga Khan University Medical College in Pakistan and published in the January 2005 issue of the "Journal of Cardiovascular Pharmacology," ginger can reduce blood pressure by blocking the voltage-dependent calcium channels. MedlinePlus agrees that ginger does reduce high blood pressure, but individuals who take medication for their high blood pressure should use ginger with precaution because ginger might lower it too much or cause an irregular heartbeat.
It's especially important to place the blood pressure cuff in the correct location and keep your arm in the recommended position. If your initial blood pressure reading is high, re-read the instructions, make any necessary adjustments, and then take your blood pressure again. Make sure enough time has past in between readings that you're not repeatedly squeezing the same arm in a short amount of time.
Potassium—sometimes called the “un-salt”—can lower blood pressure, but less than 2 percent of Americans get the recommended 4.7 grams of potassium a day. Avocados pack in more potassium than any other fruit or veggie, including bananas, so add some to your sandwich or salad for an nutritional boost. Other potassium-rich foods include cantaloupes, sweet potatoes, spinach, and lima beans. These are some of the healthiest vegetables and the healthiest fruits you can eat.
Mildly or moderately elevated blood pressure will rarely give obvious symptoms (a light headache might occur sometimes). A very high blood pressure can give severe headaches, fatigue and nausea. High blood pressure is the result of an increased amount of liquid and salt in the blood, and also of the blood vessel walls being thicker and harder than normal.
This technique is known to surprisingly few health professionals, though it has proved valuable in the treatment of a wide variety of health problems. Recently, this powerful technique has been shown to be an extremely effective method for allowing the body to rapidly normalize high blood pressure more effectively than any other treatment reported in the scientific literature.
If you suddenly find yourself with high blood pressure (hypertension) under the new guidelines from the American Heart Association and the American College of Cardiology, you might be wondering what to do. The guidelines, which were released in November, lowered the definition for high blood pressure to 130/80 from 140/90 millimeters of mercury (mm Hg), meaning more women now meet the criteria for stage 1 hypertension.
Fish are a great source of lean protein. Fatty fish like mackerel and salmon are high in omega-3 fatty acids, which can lower blood pressure, reduce inflammation, and lower triglycerides. In addition to these fish sources, trout contains vitamin D. Foods rarely contain vitamin D, and this hormone-like vitamin has properties that can lower blood pressure. 
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