5 Dangerous Supplements to Avoid If You Have High Blood Pressure, According to Experts

Supplements You Shouldn’t Be Taking for Hypertension

Taking supplements for wellness? If you have high blood pressure, some of them might do more harm than good.

High blood pressure, also known as hypertension, affects nearly half of U.S. adults. It’s a major risk factor for heart disease, stroke, and kidney problems. While many people turn to dietary supplements to boost health, not all are safe—especially if you’re managing high blood pressure.

We spoke with top heart health experts to identify the worst supplements for high blood pressure. Here’s what to avoid—and why.

1. Bitter Orange: A Hidden Heart Risk in Weight Loss Pills

Keyword: Bitter orange and high blood pressure

Found in many weight loss and energy supplements, bitter orange extract contains synephrine—a compound similar to ephedrine.

🔴 Risks:

  • Increases heart rate and blood pressure
  • Can lead to dangerous heart rhythms
  • Linked to higher risk of stroke and heart attack

Tip: Check supplement labels carefully. Bitter orange is often combined with other stimulants.

2. Licorice Root: Not as Sweet as It Seems

Keyword: Licorice and blood pressure

Popular in herbal medicine, licorice root contains glycyrrhizic acid, which can cause the body to retain sodium and lose potassium—both bad news for your heart.

🔴 Risks:

  • Raises blood pressure
  • May cause muscle weakness and irregular heartbeat
  • Some “deglycyrrhizinated” licorice may still contain risky levels

Note: Supplements aren’t tightly regulated, so always read labels and consult your doctor.

3. Caffeine-Based Supplements: A Blood Pressure Booster

Keyword: Caffeine supplements and hypertension

Caffeine is a common ingredient in energy pills, pre-workouts, and focus boosters. But it can raise blood pressure, especially in sensitive individuals.

🔴 Risks:

  • Temporary spikes in blood pressure
  • Increased heart rate
  • Added risk when combined with other stimulants like guarana

Even small amounts can have an impact if you’re already at risk. Monitor your intake closely.

4. Yohimbine: Not Safe for Heart Health

Keyword: Yohimbine and hypertension

Marketed for sexual health and athletic performance, yohimbine is a stimulant that increases norepinephrine, a stress hormone that can raise blood pressure.

🔴 Risks:

  • Narrows blood vessels
  • Increases heart rate and blood pressure
  • May interact with medications

Avoid yohimbine, especially if you’re already taking blood pressure meds.

5. Ephedra: Banned, But Still Dangerous

Keyword: Ephedra and high blood pressure

Once a popular ingredient in fat-burning supplements, ephedra has been banned by the FDA due to its extreme health risks.

🔴 Risks:

  • Strong stimulant effect
  • Linked to heart attacks, strokes, and sudden death
  • Can interfere with blood pressure medications

Although banned, ephedrine, its active compound, can still be found in some allergy and asthma medications. Always read ingredient lists and talk to your doctor.

Safe Ways to Support Healthy Blood Pressure

Avoiding risky supplements is only part of the equation. Here are expert-approved lifestyle strategies to help manage hypertension naturally:

Follow the DASH Diet
Rich in fruits, veggies, whole grains, and lean proteins, this eating plan is designed to lower blood pressure.

Exercise Regularly
Aim for at least 150 minutes of moderate aerobic activity weekly, like brisk walking or cycling.

Get Quality Sleep
Poor sleep and sleep apnea are linked to high blood pressure. Prioritize 7–9 hours per night.

Manage Stress
Practice relaxation techniques like deep breathing, mindfulness, or simply spending time with loved ones.

Bottom Line: Talk to Your Doctor Before Taking Supplements

If you’re managing high blood pressure, it’s essential to know what’s safe and what’s not. Supplements like bitter orange, licorice root, caffeine, yohimbine, and ephedra can raise blood pressure and increase the risk of serious complications.

Always consult a healthcare provider before starting any new supplement. Your heart will thank you.

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