Low levels of vitamin D—which the body gets from fortified foods, supplements, or the skin’s exposure to sunlight—have been linked to high blood pressure. But most research has found that taking supplements doesn't seem to help. Dr. Bisognano says the jury’s still out on how the two are linked. “I have found that people with extremely low vitamin D levels can have high blood pressure that’s more difficult to treat,” he says, “but I can’t be sure whether that’s the driving issue.”
Hypertension can be effectively treated with lifestyle modifications, medications, and natural remedies. Most people with hypertension experience improvement with prescription treatment such as diuretics, ACE inhibitors, beta-blockers, or other options, and some may require more than one prescription medication to reach optimal blood pressure. If your hypertension has a medical cause (secondary hypertension), you may also need treatment for medical issues that are contributing to your high blood pressure.
In most cases where high blood pressure is diagnosed, the cause remains unclear. One review paper in the International Journal of Hypertension explains that this accounts for around 90% of all hypertension diagnosis and is usually referred to as essential hypertension. Secondary hypertension is diagnosed when a cause can be identified. Potential causes of secondary hypertension may include:

Loading up on potassium-rich fruits and vegetables is an important part of any blood pressure-lowering program, says Linda Van Horn, PhD, RD, a professor of preventive medicine at Northwestern University Feinberg School of Medicine. Potassium encourages the kidneys to excrete more sodium through urination, and that sodium excretion can help lower blood pressure.


When added to a healthy diet, almonds can help influence lower blood pressure levels. In fact, almonds are included in the Dietary Approaches to Stop Hypertension — DASH — Diet. In the diet, almonds are included in the “nuts, seeds and legumes” group. The diet recommends eating four to five servings of this food group per week. With regard to almonds, one serving of almonds is just one-third cup. The healthy monounsaturated fat in almonds contributes to lower blood cholesterol levels and reduced arterial inflammation, which ultimately helps lower the pressure inside the arteries. 

As the body increases production of an enzyme called angiotensin I-converting enzyme, or “ACE”, blood pressure increases. Pharmaceutical drugs called ACE inhibitors work by blocking the formation of this enzyme, but they have multiple side effects. Garlic contains gamma-glutamylcysteine, a natural ACE inhibitor.  This chemical, in combination with the high allicin content, gives garlic its ability to dilate arteries, thereby lowering blood pressure. I usually take one clove of garlic and remove the skin, chew well and swallow. Yes nobody wants to be around me after. You can also buy in pill form.
For people who aren't able to bring their levels down naturally, blood pressure medication may be necessary. Of the 14% of Americans now considered to have high blood pressure, around one in five will need to be treated with meds, according to the AHA. But if your high blood pressure is a result of unhealthy habits, making some simple changes may help reduce—or even eliminate—your need for prescription drugs. With your doctor’s okay, give these home remedies for high blood pressure a try and see if they work for you.
Although knowing how to quickly lower blood pressure in certain situations is valuable, it’s more beneficial to focus on how to lower your blood pressure in one day. By doing the things that contribute to a heart-healthy lifestyle day in and day out, you can better prevent and manage high blood pressure. Therefore, monitoring your diet and activity is essential to lowering resting blood pressure.
“It’s important to remind all the healthcare people out there that we need to arm ourselves with every tool in the arsenal,” he said. “That includes medications and procedures of course, but we really need to learn more about lifestyle medicine, and a lot of those gaps that are created during our training, we really need to spend time filling so that we have the tools available to treat diseases better — and more cheaply, for that matter.”
This is an interesting thread. I take 400 mg per day of Magnesium on the advice of my naturopath, have done so for a few years now, with some cycling on and off. I successfully manage my tendency towards hypertension through this one simple action (although constantly improving my health in other ways has its’ effects I’m sure!). I find when I cycle off it for too long I start to get muscle cramps and insomnia as well. I have observed a familial link between muscle pain and cramps in my maternal lineage, and believe there is some kind of genetic/epigenetic link to how our family utilises Mg in the body although I have no proof or idea of the mechanism of this. All I know is I’d prefer to supplement Mg moderately than take pharmaceuticals. I look forward to the day I can explain this with science (as I’m a scientist!) – would love any thoughts from Chris or the Kresser Institute experts on this 😊
4. Find an exercise that works for you (and do it). Moving more can help reverse high blood pressure. One meta-analysis of 65 studies found regular exercise provides both an acute and longer-term reduction in blood pressure. Whether you’re an exercise novice or a conditioned athlete, these four strategies can help you create an effective workout plan to optimize health.
Eat berries. Berries have many health benefits, and one of them is improving blood pressure and reducing other heart disease risks. Berries, like strawberries, raspberries, blackberries, and blueberries, have lots of polyphenols, which are great for your heart. They’re also really tasty. So, load up on the berries for better blood pressure. If you don’t like eating them all the time, try adding them to a smoothie made with low-fat or fat-free yogurt without added sugar. Throw in some ice, banana, and low-fat milk for a heart-healthy treat.
Vitamins C and E. Studies indicate that these vitamins can be helpful in lowering your blood pressure. Ideally, you'll want to get the right amount of both these nutrients through diet alone. If you decide you need a supplement, make sure to take a natural (not synthetic) form of vitamin E. You can tell what you're buying by carefully reading the label. Natural vitamin E is always listed as the "d-" form (d-alpha-tocopherol, d-beta-tocopherol, etc.) Synthetic vitamin E is listed as "dl-" forms.

2. Ayurveda Die: Improper diet also contributes towards the unhealthy condition of the body. Eat a balanced diet and avoid the consumption of salt and sugar, pickles, alcohol, caffeine, tomatoes, and fatty foods to regulate high BP. Include ginger, green leafy veggies, yogurt, berries, oatmeal, onion, amla, Omega-3 fatty acid, beetroot, Vitamin C rich fruits, herbs, garlic, seeds, cucumber, bananas, pomegranate, nuts, avocados and olive oil, in your meals.

Napping may do your heart some good. Adults with high blood pressure who took hour-long naps every day saw their systolic blood pressure drop an average of 5% over the course of the day in a 2015 study, compared to those who didn’t rest. Those who napped also had to take fewer blood pressure medications than those who didn’t, and seemed to have less damage to their arteries and their heart. The study was only able to show a correlation between napping and blood pressure reduction, but the authors say that the results do suggest a benefit to afternoon siestas. 
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.
Omega-3 fatty acids, such as those found in fish oil supplements, offer a wide variety of health benefits, including the ability to reduce blood pressure by reducing LDL (or “bad”) cholesterol. It is possible to consume enough Omega-3 fatty acids simply by adding more fatty fish to your diet, but it’s much easier to take it in supplement form. The best forms of Omega-3 oil are krill and calamari oils.
Caffeine can raise blood pressure by tightening blood vessels and magnifying the effects of stress, says James Lane, PhD, a Duke University researcher who studies caffeine and cardiovascular health. "When you're under stress, your heart starts pumping a lot more blood, boosting blood pressure," he says. "And caffeine exaggerates that effect." (Not sure whether you need to cut back? Here are 6 physical symptoms that mean you're drinking too much coffee.)
For example, eating a healthy diet rich in fruit, vegetables, whole grains, and healthy fats can limit dense low-density lipoprotein (LDL) deposits along the artery that contribute to high blood pressure. Limiting intake of processed foods can lower sodium intake and total cholesterol. This, in addition to exercise, can also help lead to weight loss. Research indicates that losing as little as nine pounds can have substantial impacts on blood pressure.
10. Increase intake of potassium: Potassium is important to keep blood pressure under control as it helps the body to get rid of sodium. Including more fresh and whole foods in your diet can contribute to healthy levels of potassium in your body. Foods rich in potassium include bananas, beans, nuts and seeds, tuna, salmon, dairy products and green leafy veggies are rich sources of potassium.

Cayenne Pepper is probably the fastest way to lower high blood pressure. Cayenne pepper is a powerful vasodilator, which means it helps expand blood vessels and improve blood flow. This effect naturally lowers blood pressure levels by increasing the rate at which blood flows throughout the circulatory system, which in turn takes some of the pressure off arterial walls. Either mix one teaspoon of cayenne pepper with half a cup of lukewarm water or mix two tablespoons of raw organic honey with two teaspoons of cayenne pepper; boil them with eight ounces of water and drink when it is warm. A side note: Be careful how many Scoville Units your cayenne pepper is. I bought mine, 90,000 Scoville Units, and OMG. I thought I was going to breathe fire.
2. Ayurveda Die: Improper diet also contributes towards the unhealthy condition of the body. Eat a balanced diet and avoid the consumption of salt and sugar, pickles, alcohol, caffeine, tomatoes, and fatty foods to regulate high BP. Include ginger, green leafy veggies, yogurt, berries, oatmeal, onion, amla, Omega-3 fatty acid, beetroot, Vitamin C rich fruits, herbs, garlic, seeds, cucumber, bananas, pomegranate, nuts, avocados and olive oil, in your meals.
Reduce processed sugar and refined carbohydrates. Many studies have shown a link between high blood pressure and processed sugar. Even moderate amounts of sugar can raise blood pressure. For example, during the Framingham Women’s Health Study, women who drank as little as one soda per day had higher blood pressure than women who drank less. It’s not just sweet sugar that raises blood pressure. Refined carbohydrates, like white bread and pasta, covert to sugar quickly when they’re eaten, and they may also cause blood pressure to rise. There is evidence that reducing refined sugar intake can lower blood pressure and improve heart health.
Sunny days not only boost our mood, but they can help keep our blood pressure in check. A study published in the Journal of Investigative Dermatology found exposure to sunlight can alter the levels of nitric oxide in the skin and blood, therefore reducing the blood pressure. When exposed to sunlight, small amounts of nitric oxide are transported from the skin to the circulation lowering blood vessel tone. This decreases the risk of heart attack and stroke.
High blood pressure over an extended period can lead to potentially dangerous complications. This can cause damage to organs, leading to microalbuminuria, cognitive dysfunction, and left-ventricular hypertrophy, as noted by one study. Additionally, the risk of renal failure, dementia and suffering a heart attack also dramatically increases in the population with elevated blood pressure levels.
If you use a well rounded approach and don’t over supplement on any one thing, you should be fine and reap the benefits. Also, if I ever get high blood pressure, I would have my levels tested on what Chris mentions above. This way you have a clue as to what You should supplement and the proper dosing. Sleep is one thing I have not mastered yet, but I’m working on it.
If you’re feeling overwhelmed about how to make changes to your diet or if you’re trying to lose weight, you may want to consider working with a registered dietitian-nutritionist (RDN). Some people work with an RDN if they have a health condition like type 2 diabetes. In fact, high blood pressure is a risk factor for type 2 diabetes. This is partly because they share similar modifiable risk factors, like being overweight or obese, following an unhealthy diet, and having a lack of physical activity.
Perhaps you’ve never given much thought to your blood pressure, especially if it’s been spot on for most of your life. But as you get older and deal with more stressful aspects of in life, it can affect your blood pressure. Maybe not quite high enough to require medication, but it may be something to keep an eye on it. And this can affect even those who eat well, exercise most days, and do all the right things to stay healthy.
Cat’s claw is an herbal medicine used in traditional Chinese practice to treat hypertension as well as neurological health problems. Studies of cat’s claw as a treatment for hypertension in rodents indicate that it may be helpful in reducing blood pressure by acting on calcium channels in your cells. You can get cat’s claw in supplement form from many health food stores.

Kidneys depend on healthy blood vessels to function properly, proper kidney function is crucial to filtering excess fluid and waste from your blood. High blood pressure can damage your kidneys leading to kidney disease (nephropathy). High blood pressure is the most common cause of kidney failure. Kidney failure leads to either dialysis or a kidney transplant, because your own body can no longer filter the waste and excess fluid from your body. 
“Weight is one of the most important determiners of blood pressure,” says John Bisognano, MD, director of the Hypertension Clinic at the University of Rochester Medical Center in Rochester, New York. “Once someone’s BMI is over 25 to 28, taking off a few pounds will make a big difference in treating high blood pressure.” (A body mass index of 25 to 29.9 is considered overweight, while 30 and higher is obese.) 
A study, done in December of 2009, was published in the Indian Journal of Biochemistry & Biophysics. They gave a group of participants 1 teaspoon of cardamom powder daily for several weeks. The results showed a significant reduction in blood pressure. Combined with ginger and cinnamon, both warming spices that improve circulation, you can make a lovely tea to help your heart get healthy.
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