Lowering blood pressure is possible through a combination of dietary changes, exercise, stress management, and other lifestyle adjustments. How much you can lower it depends on where you’re starting: people with higher baseline readings see the most dramatic drops. A normal reading is below 120/80 mmHg, while Stage 1 hypertension starts at 130/80 and Stage 2 at 140/90 or higher.
Change How You Eat
Diet is the single most impactful lever you can pull. The DASH diet (Dietary Approaches to Stop Hypertension), which emphasizes fruits, vegetables, whole grains, lean protein, and low-fat dairy while limiting saturated fat, combined with sodium reduction, produces significant results. If your systolic pressure is between 130 and 139, this combination can lower it by about 7.5 mmHg. If your systolic is 150 or higher, the drop can be as large as 21 mmHg, which rivals what some medications achieve.
Two nutrients deserve special attention. Sodium is the obvious one: keeping intake below 2,300 mg per day (and ideally closer to 1,500 mg) makes a measurable difference. But potassium is sodium’s counterpart. The more potassium you consume, the more sodium your kidneys flush out through urine. Potassium also relaxes blood vessel walls directly. The American Heart Association recommends 3,500 to 5,000 mg of potassium per day, ideally from food. Bananas get all the credit, but potatoes, beans, spinach, avocados, and yogurt are all rich sources.
Exercise: Wall Sits Beat Running
All exercise lowers blood pressure, but the type matters more than most people realize. A large meta-analysis published through the BMJ found that isometric exercises, where you hold a static position against resistance, produced the biggest reductions: 8.24/4.0 mmHg on average. That’s nearly double the drop from aerobic exercise like jogging (4.49/2.53 mmHg) or high-intensity interval training (4.08/2.50 mmHg).
The wall sit is the most studied isometric exercise for blood pressure. You slide your back down a wall until your thighs are roughly parallel to the floor and hold the position. Typical protocols involve holding for two minutes, resting for two minutes, and repeating three to four times, done three times per week. It’s simple, requires no equipment, and takes about 15 minutes per session. That said, aerobic exercise still has enormous cardiovascular benefits. The best approach is doing both.
Lose Weight, Even a Little
If you’re carrying extra weight, the relationship between weight loss and blood pressure is remarkably straightforward: for every kilogram (2.2 pounds) you lose, your blood pressure drops by roughly 1 mmHg. Losing 10 pounds could mean a 4 to 5 point reduction in systolic pressure. This effect compounds with other changes. Someone who loses weight while also following the DASH diet and exercising regularly can see their numbers shift substantially without medication.
Practice Slow Breathing
Breathing at a rate of about six breaths per minute, roughly five seconds in and five seconds out, has a direct physiological effect on blood pressure. Research published by the American Heart Association found that this pace lowered systolic pressure by about 9 mmHg and diastolic by about 5 mmHg in people with hypertension during the practice session.
The mechanism is well understood. Slow breathing improves your baroreflex, the system your body uses to sense and regulate blood pressure in real time. At six breaths per minute, your heart rate fluctuations synchronize with your breathing, which amplifies the baroreflex signal and reduces the “fight or flight” nervous system activity that constricts blood vessels. It also activates a reflex triggered by deeper breaths that further calms the system. You don’t need an app or a class. Set a timer for 10 to 15 minutes, breathe in slowly through your nose, and exhale slowly through your mouth, aiming for about six complete cycles per minute.
Cut Back on Alcohol
Alcohol raises blood pressure in a dose-dependent way, meaning the more you drink, the higher the effect. For people who drink regularly, cutting back often produces a noticeable drop within weeks. The Mayo Clinic recommends no more than one drink per day for women and two for men. One drink means 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of spirits. Exceeding these limits regularly can both raise your baseline blood pressure and reduce the effectiveness of blood pressure medications.
Consider Magnesium
Magnesium plays a role in relaxing blood vessels, and supplementation has shown modest but real effects. Studies have found that 500 to 1,000 mg of magnesium per day can lower systolic blood pressure by 2.7 to 5.6 mmHg and diastolic by 1.7 to 3.4 mmHg. In one trial, patients taking 600 mg of magnesium daily alongside lifestyle changes saw drops of 5.6/2.8 mmHg, compared to only 1.3/1.8 mmHg for those making lifestyle changes alone.
Magnesium is widely available in food (nuts, seeds, dark leafy greens, whole grains) and as a supplement. If you decide to supplement, magnesium glycinate and magnesium citrate are better absorbed than magnesium oxide, though oxide was used in several successful trials.
Fix Your Sleep
Blood pressure is supposed to drop 10% to 15% during sleep, a pattern called “dipping.” This nightly reset is part of how your cardiovascular system recovers. Obstructive sleep apnea disrupts this cycle. Each time your airway collapses during sleep, oxygen drops, carbon dioxide rises, and your nervous system responds by constricting blood vessels and spiking your heart rate. The result is repeated surges in blood pressure throughout the night.
People with even mild sleep apnea (5 to 15 breathing interruptions per hour) are three times more likely to lose their normal nighttime blood pressure dip. Those with moderate to severe apnea are over four times more likely. If you snore heavily, wake up tired despite adequate sleep hours, or your partner notices pauses in your breathing, getting evaluated for sleep apnea could be one of the most effective things you do for your blood pressure.
Track Your Numbers at Home
Home monitoring gives you a more accurate picture than occasional clinic visits, partly because “white coat” anxiety can artificially inflate readings. The recommended protocol: take two readings at least one minute apart, both in the morning and in the evening, for a minimum of three days and ideally seven. That gives you 12 to 28 readings to average, which is far more reliable than a single reading at a doctor’s office.
Technique matters. Empty your bladder first. Sit quietly for five minutes with your back supported, feet flat on the floor, and legs uncrossed. Support your arm at heart level. Use an upper-arm cuff rather than a wrist monitor. Record every reading so you and your doctor can spot trends rather than reacting to any single number.
Stacking These Changes Together
No single change works as well in isolation as several changes combined. Someone who follows the DASH diet with sodium reduction, adds wall sits three times a week, loses 10 pounds, practices slow breathing, and cuts alcohol to moderate levels could realistically see a total systolic reduction of 15 to 25 mmHg. For many people with Stage 1 hypertension, that’s enough to bring readings back into the normal range. For those with higher numbers or on medication, these changes can reduce the number or dosage of drugs needed over time.