Most people can lower their blood pressure by 5 to 10 mmHg, sometimes more, through a combination of dietary changes, exercise, and other lifestyle shifts. How much your numbers drop depends on where you’re starting and how many changes you make at once. Even modest reductions matter: lowering systolic pressure (the top number) by just 5 mmHg significantly cuts the risk of heart attack and stroke.
For reference, normal blood pressure is below 120/80 mmHg. Readings of 120 to 129 systolic are considered elevated. Stage 1 hypertension starts at 130/80, and stage 2 begins at 140/90 or higher.
Cut Sodium, Increase Potassium
Reducing sodium is one of the fastest ways to see results. In a National Institutes of Health study, participants who dropped to about 500 mg of sodium per day saw their systolic pressure fall by an average of 6 to 7 mmHg. Nearly three out of four people in the study responded to the low-sodium diet, meaning this works for most people, not just a select few.
You don’t need to hit 500 mg to benefit. The current recommendation is to stay under 2,300 mg per day, and ideally closer to 1,500 mg if you already have high blood pressure. Most of the sodium in a typical diet comes from processed and restaurant foods, not from the salt shaker. Reading labels and cooking more meals at home are the two most effective ways to cut back.
Potassium works as sodium’s counterpart. When your diet is high in sodium and low in potassium, your kidneys retain more sodium than they should, which causes the smooth muscle lining your blood vessels to contract. That tightening increases resistance throughout your circulatory system and pushes pressure up. Eating more potassium-rich foods (bananas, potatoes, beans, leafy greens, yogurt) helps your kidneys flush excess sodium and relaxes those vessel walls. The ratio between the two minerals matters as much as the raw amount of either one.
Follow a DASH-Style Eating Pattern
The DASH diet (Dietary Approaches to Stop Hypertension) is the most studied dietary pattern for blood pressure. It emphasizes fruits, vegetables, whole grains, lean protein, and low-fat dairy while limiting saturated fat, added sugars, and sodium. In clinical trials, people with hypertension who followed the DASH diet lowered their systolic pressure by roughly 11 to 12 mmHg. Even people without hypertension saw reductions of about 7 mmHg.
A large meta-analysis pooling multiple trials found average reductions of about 6.7 mmHg systolic and 3.5 mmHg diastolic. When DASH is combined with low sodium intake and regular exercise, the effect is larger still. One trial found that adding both of those elements dropped systolic pressure by over 16 mmHg, a result that rivals what some medications achieve.
You don’t need to overhaul your entire kitchen overnight. Start by adding one extra serving of vegetables to each meal and swapping refined grains for whole grains. Build from there. The pattern matters more than any single food.
Exercise Consistently
Regular physical activity lowers blood pressure by an average of about 7.5 mmHg systolic and 4.4 mmHg diastolic. What’s notable is that the type of exercise matters less than consistency. A comprehensive analysis of 84 trials involving over 5,000 people with hypertension found no significant difference in blood pressure reduction between aerobic exercise (walking, cycling, swimming), dynamic resistance training (weight lifting), and isometric resistance exercises (wall sits, planks). All three produced comparable benefits.
This is good news if you don’t enjoy running or cycling. Strength training, which was once thought to raise blood pressure, is now recognized as equally effective for lowering it. The general target is at least 150 minutes per week of moderate-intensity activity, spread across most days. A daily 30-minute walk counts. So does a mix of resistance training and shorter cardio sessions.
Lose Even a Small Amount of Weight
If you’re carrying extra weight, losing it is one of the most powerful blood pressure interventions available. A meta-analysis of randomized trials found that for every kilogram (about 2.2 pounds) of weight lost, systolic pressure drops by roughly 1 mmHg and diastolic by about 0.9 mmHg. That means losing 10 pounds could lower your top number by 4 to 5 points.
The relationship is roughly linear, so more weight loss means more reduction, up to a point. You don’t need to reach an “ideal” body weight. Even a 5% reduction in total body weight produces meaningful improvements in blood pressure and other cardiovascular markers.
Reduce or Eliminate Alcohol
Any amount of alcohol raises blood pressure to some degree. A large dose-response meta-analysis found that the relationship between alcohol and systolic pressure is linear, with no safe threshold. At 12 grams of alcohol per day (roughly one standard drink), systolic pressure was about 1.25 mmHg higher than in nondrinkers. At two drinks per day, the increase doubled to about 2.5 mmHg. At four drinks per day, systolic pressure was nearly 5 mmHg higher and diastolic about 3 mmHg higher.
These numbers may seem small on a per-drink basis, but they compound alongside other risk factors. If you drink regularly and have elevated blood pressure, cutting back is one of the simpler changes with a reliable payoff. You don’t have to quit entirely to benefit, but less is clearly better, and the data no longer supports the idea that moderate drinking is harmless for blood pressure.
Prioritize Sleep Quality
Poor sleep raises blood pressure through the sympathetic nervous system, your body’s “fight or flight” wiring. When sleep is fragmented or insufficient, sympathetic nerve activity stays elevated even during waking hours, keeping your heart rate up and your blood vessels constricted. Research shows that sleep fragmentation alone drives this effect, independent of other sleep disorders like oxygen drops during apnea.
Most adults need seven to eight hours of sleep for cardiovascular health. If you consistently sleep fewer than six hours, or if you wake frequently through the night, addressing sleep is likely to help your blood pressure. Practical steps include keeping a consistent wake time (even on weekends), limiting caffeine after midday, keeping your bedroom cool and dark, and avoiding screens for 30 to 60 minutes before bed. If you snore heavily or wake feeling unrefreshed despite adequate time in bed, a sleep evaluation can identify treatable causes.
Consider Magnesium-Rich Foods
Magnesium plays a role in relaxing blood vessels, and supplementation has shown modest but consistent effects on blood pressure. A meta-analysis of randomized controlled trials found that magnesium intake reduced systolic pressure by about 2.8 mmHg and diastolic by about 2 mmHg compared to placebo. That’s a smaller effect than diet or exercise, but it adds up when combined with other changes.
Good dietary sources include nuts (especially almonds and cashews), seeds, dark chocolate, avocados, and leafy greens like spinach. Many people fall short of the recommended daily intake of 310 to 420 mg depending on age and sex, so simply eating more of these foods may help. If you’re considering a supplement, magnesium glycinate and magnesium citrate are well-absorbed forms.
How Quickly Changes Take Effect
The timeline varies by intervention. Sodium reduction can lower blood pressure within days to a week. Dietary changes like DASH typically show measurable effects within two to four weeks. Exercise benefits build over the first month and stabilize around eight to twelve weeks of consistent activity. Weight loss effects track with the pace of the loss itself.
These changes are dose-dependent and cumulative. Someone who cuts sodium, follows a DASH-style diet, exercises regularly, and loses some weight can realistically lower their systolic pressure by 15 to 20 mmHg or more. That’s comparable to adding a blood pressure medication, and for people with stage 1 hypertension, it can be enough to bring readings back to normal range.