You can bring down high blood pressure through a combination of dietary changes, exercise, stress management, and weight loss. For many people, these lifestyle shifts alone can drop systolic pressure (the top number) by 10 to 20 points. When lifestyle changes aren’t enough, medication fills the gap. The approach that works best depends on how high your numbers are and what’s driving them up.
Know Your Numbers First
Blood pressure falls into four categories based on the 2025 guidelines from the American Heart Association:
- Normal: below 120/80 mm Hg
- Elevated: 120 to 129 systolic, with diastolic still below 80
- Stage 1 hypertension: 130 to 139 systolic, or 80 to 89 diastolic
- Stage 2 hypertension: 140 or higher systolic, or 90 or higher diastolic
If your systolic and diastolic readings land in two different categories, the higher one is the one that counts. Someone reading 136/78 has stage 1 hypertension, not elevated blood pressure, because systolic is the deciding number there. Knowing your category helps you understand whether lifestyle changes alone might be sufficient or whether medication is likely part of the plan.
Change What You Eat
The single most studied dietary approach for blood pressure is the DASH diet, which stands for Dietary Approaches to Stop Hypertension. It emphasizes fruits, vegetables, whole grains, lean protein, and low-fat dairy while cutting back on saturated fat, red meat, and sweets. In clinical trials, people with stage 1 isolated systolic hypertension who followed the DASH diet saw their systolic pressure drop by nearly 12 points on average. That’s a meaningful reduction, comparable to what some medications achieve.
Sodium plays a major role. The general upper limit is 2,300 milligrams per day, but cutting to 1,500 milligrams produces even larger reductions, especially for people who already have high blood pressure. For context, a single fast-food sandwich can contain over 1,000 milligrams. Reading nutrition labels and cooking more at home are the most practical ways to get sodium under control. The combination of the DASH eating pattern with the 1,500-milligram sodium target produced the greatest blood pressure reductions in clinical trials.
Exercise, Especially Isometric Holds
Physical activity lowers blood pressure, but not all exercise lowers it equally. A large meta-analysis published in the British Journal of Sports Medicine compared every major type of exercise and found that isometric training (holding a static position against resistance) ranked first for reducing systolic pressure, outperforming aerobic exercise, resistance training, and high-intensity interval training.
The most effective single exercise was the isometric wall squat, essentially holding a sitting position against a wall. Isometric exercises reduced systolic pressure by an average of 8.24 points, compared to 4.49 points for traditional aerobic exercise like walking or cycling. Wall squats specifically brought systolic pressure down by about 10.5 points. For diastolic pressure, running was the most effective subtype.
This doesn’t mean you should skip cardio. Aerobic exercise still delivers significant reductions and carries benefits for heart health, cholesterol, and weight management that isometric holds don’t. The practical takeaway is that adding a few minutes of wall sits or other isometric holds to your routine can amplify the blood pressure benefit of your existing workouts. A typical protocol involves holding the position for two minutes, resting for two minutes, and repeating three to four times.
Lose Weight, Even a Little
Weight loss has a direct, dose-dependent effect on blood pressure. A meta-analysis of randomized controlled trials found that for every kilogram (about 2.2 pounds) of weight lost, systolic pressure dropped by roughly 1 point and diastolic by about 0.9 points. That means losing 10 kilograms (22 pounds) could reduce systolic pressure by around 10 points.
You don’t need to reach an ideal weight for this to matter. Even modest weight loss, in the range of 5 to 10 pounds, produces a measurable difference. The effect compounds with other changes: losing weight while following the DASH diet and exercising regularly can collectively push blood pressure back into normal range for many people with stage 1 hypertension.
Slow Your Breathing
Slow, controlled breathing isn’t just a relaxation trick. It triggers a specific physiological response. When you breathe at about 6 breaths per minute (roughly 5 seconds in, 5 seconds out), it activates a reflex called the baroreflex, which helps your blood vessels relax and dials down the branch of your nervous system that raises blood pressure.
In a study of people with hypertension, slowing breathing to 6 breaths per minute dropped systolic pressure from about 150 to 141 and diastolic from about 83 to 78. Breathing at a normal controlled rate of 15 breaths per minute also reduced systolic pressure somewhat, but the 6-breath rate was the one that produced the full effect on both numbers and actually improved the body’s blood-pressure-regulating reflex. Practicing this for 10 to 15 minutes daily is a reasonable starting point.
Check for Sleep Apnea
Obstructive sleep apnea is one of the most common and most overlooked drivers of high blood pressure. When your airway collapses repeatedly during sleep, oxygen levels drop and your body floods itself with stress hormones. Over time, this keeps your nervous system in a heightened state even during the day, raising baseline blood pressure. Sleep apnea also triggers widespread inflammation and damages blood vessel walls, both of which contribute to stiff, narrowed arteries.
There’s also a vicious cycle at play: fluid that pools in the legs during the day shifts upward toward the neck when you lie down, narrowing the airway further. This effect is more pronounced in people who already have high blood pressure, which is why some cases of resistant hypertension (blood pressure that won’t come down despite multiple medications) turn out to have untreated sleep apnea at the root. If you snore, wake up gasping, or feel exhausted despite a full night of sleep, getting evaluated is worth it. Treating sleep apnea can meaningfully improve blood pressure that hasn’t responded to other interventions.
Consider Magnesium
Magnesium is one of the few supplements with consistent clinical evidence behind it for blood pressure. A systematic review and meta-analysis of randomized controlled trials found that supplementation with a median dose of 365 milligrams of elemental magnesium over a median period of 12 weeks was associated with blood pressure reductions. Trials used doses ranging from about 82 to 637 milligrams of elemental magnesium. “Elemental” magnesium refers to the actual magnesium content in the supplement, not the total weight of the pill, so check labels carefully. Forms like magnesium glycinate and magnesium citrate tend to be better absorbed than magnesium oxide.
When Lifestyle Changes Aren’t Enough
If your blood pressure stays elevated despite consistent effort with diet, exercise, and weight management, medication is the next step. The four main classes work in different ways:
- Diuretics help your kidneys flush out excess salt and water, reducing the volume of fluid your heart has to pump.
- Beta-blockers slow your heart rate and, in some cases, help blood vessels relax.
- ACE inhibitors reduce your body’s production of a chemical that narrows arteries, letting blood vessels open up.
- ARBs block that same artery-narrowing chemical from taking effect, keeping vessels relaxed.
Many people start with one medication and adjust from there. It’s common to need two different classes working together, especially for stage 2 hypertension. Medication works best alongside lifestyle changes, not instead of them. The dietary shifts, exercise, and weight loss described above remain important even after starting a prescription, because they reduce how much medication you need and improve your cardiovascular health in ways that pills alone don’t address.