Lowering high blood pressure is possible through a combination of dietary changes, regular exercise, weight management, and, when necessary, medication. How aggressively you need to act depends on where your numbers fall. Normal blood pressure is below 120/80 mmHg. Stage 1 hypertension starts at 130/80, and stage 2 begins at 140/90. The higher your reading, the more urgently you need to bring it down.
Know Your Numbers First
The 2025 guidelines from the American Heart Association and American College of Cardiology classify blood pressure into four categories:
- Normal: below 120/80 mmHg
- Elevated: 120 to 129 systolic with diastolic still under 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 numbers put you in the elevated or stage 1 range, lifestyle changes alone can often bring you back to normal. Stage 2 hypertension, especially readings at or above 160/100, typically requires medication alongside those same lifestyle strategies. People with existing heart disease, diabetes, or chronic kidney disease are generally started on medication at lower thresholds, sometimes at readings as low as 130 systolic.
Restructure What You Eat
Diet is the single most modifiable factor in blood pressure control, and the approach with the strongest evidence is the DASH (Dietary Approaches to Stop Hypertension) eating pattern. It emphasizes fruits, vegetables, whole grains, lean proteins, and low-fat dairy while cutting back on saturated fat and added sugars. Clinical trials show the DASH diet can lower systolic blood pressure by 1 to 13 mmHg and diastolic by 1 to 10 mmHg. The wide range reflects the fact that people with higher starting blood pressure tend to see bigger drops.
Sodium reduction is the other major dietary lever. Current guidelines recommend staying between 1,500 and 2,300 mg of sodium per day, with the lower target recommended for people who already have hypertension, diabetes, or chronic kidney disease. For context, a single fast-food meal can easily contain 1,500 mg or more. The biggest sources of sodium aren’t the salt shaker on your table. They’re processed foods, restaurant meals, canned soups, deli meats, and bread. Reading nutrition labels and cooking more meals at home are the most practical ways to cut back.
Potassium works as a natural counterbalance to sodium. It relaxes blood vessels and helps your kidneys flush out excess sodium through urine. Bananas get all the credit, but potatoes, spinach, beans, yogurt, and avocados are all potassium-rich. Increasing your potassium intake while simultaneously lowering sodium creates a compounding benefit for blood pressure.
Move Your Body Consistently
Regular aerobic exercise lowers blood pressure by 4 to 10 mmHg systolic and 5 to 8 mmHg diastolic. That’s comparable to the effect of some medications. The target is at least 150 minutes of moderate-intensity activity per week, or 75 minutes of vigorous activity. Brisk walking, cycling, swimming, and jogging all count. You don’t need to do it all at once; spreading it across most days of the week works just as well.
The key word is consistency. Blood pressure benefits from exercise start to appear within a few weeks but reverse if you stop. If you’ve been sedentary, start with 10- to 15-minute walks and gradually increase. Resistance training (weight lifting, bodyweight exercises) also contributes, though aerobic activity has the stronger direct effect on blood pressure.
Lose Weight if You Carry Extra
Excess body weight forces your heart to work harder with every beat, which raises pressure on your artery walls. The relationship between weight loss and blood pressure is remarkably linear: every kilogram (about 2.2 pounds) of weight lost reduces systolic blood pressure by roughly 1 to 4 mmHg and diastolic by 1 to 2 mmHg. That means someone who loses 10 kg (22 pounds) could see a systolic drop of 10 to 40 mmHg, a reduction that rivals or exceeds what many medications achieve.
You don’t need to reach an ideal body weight to see benefits. Even modest weight loss of 5 to 10 percent of your starting weight produces meaningful blood pressure improvement. The DASH diet combined with regular exercise naturally supports weight loss, so these strategies reinforce each other.
Cut Back on Alcohol
Alcohol raises blood pressure in a dose-dependent way, meaning the more you drink, the higher it pushes your numbers. For people managing hypertension, sticking to no more than one drink per day for women and two for men is the standard guidance. One drink means 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of spirits. Regularly exceeding these limits can make blood pressure harder to control even if you’re doing everything else right, and it can reduce the effectiveness of blood pressure medications.
Address Sleep Problems
Poor sleep, particularly obstructive sleep apnea, has a strong connection to hard-to-control blood pressure. About 80 percent of people with resistant hypertension (blood pressure that stays high despite taking three or more medications) also have sleep apnea. Even outside of resistant cases, more than 30 percent of people with hypertension have undiagnosed sleep apnea.
The hallmarks of sleep apnea include loud snoring, gasping during sleep, waking up with a dry mouth or headache, and feeling exhausted despite sleeping a full night. If any of this sounds familiar, a sleep study can confirm the diagnosis. Treating sleep apnea with a CPAP machine or other interventions can improve blood pressure that has been stubbornly unresponsive to other approaches. Beyond apnea, simply getting consistent, quality sleep of seven to eight hours per night helps regulate the hormonal systems that control blood pressure.
Consider Magnesium Intake
Magnesium plays a role in blood vessel relaxation, and many people don’t get enough of it. A large meta-analysis of randomized controlled trials found that magnesium supplementation lowered systolic blood pressure by about 3 mmHg and diastolic by about 2 mmHg in people with hypertension. Interestingly, the effect was much stronger in people already taking blood pressure medication, where the additional systolic drop averaged nearly 8 mmHg. This suggests magnesium works well as a complement to other treatments rather than a standalone fix.
Good dietary sources include dark leafy greens, nuts, seeds, legumes, and whole grains. If your diet is already rich in these foods through a DASH-style eating pattern, you may already be getting adequate magnesium without supplements.
When Medication Becomes Necessary
Lifestyle changes are powerful, but they have limits. If your systolic blood pressure is at or above 160, or your diastolic is at or above 100, the World Health Organization recommends starting medication without delay because the immediate risk of stroke, heart attack, and organ damage is too high to wait. For readings between 140 and 159 systolic (or 90 to 99 diastolic), medication is recommended alongside lifestyle changes. People with readings between 130 and 139 systolic who also have diabetes, kidney disease, or existing cardiovascular disease are also candidates for medication at that lower threshold.
Blood pressure medications work through several different mechanisms. Some help your kidneys release excess fluid, some relax your blood vessels, and some slow your heart rate. Your doctor will choose based on your other health conditions and how you respond. Most people tolerate these medications well, and many are taken as a single daily pill. The lifestyle strategies described above remain important even after starting medication, because they allow lower doses and sometimes make it possible to reduce or stop medication over time.
Putting It All Together
The effects of these strategies stack. Adopting the DASH diet might lower your systolic pressure by 8 to 13 mmHg. Adding regular exercise contributes another 4 to 10. Losing excess weight adds 1 to 4 mmHg per kilogram lost. Cutting sodium, moderating alcohol, and improving sleep quality each contribute additional reductions. For someone with stage 1 hypertension, combining even a few of these changes can bring readings back into normal range without medication.
The most important thing to understand about blood pressure management is that it’s not a one-time fix. It’s an ongoing set of habits. Blood pressure responds relatively quickly to changes, often within two to four weeks, but it also climbs back up when those changes are abandoned. The strategies that work best are the ones you can sustain for years, not just weeks.