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Triple-Action Blood Pressure Support

Support Healthy Blood Pressure, Naturally

Flow™ combines three clinically studied ingredients at full clinical doses to support healthy circulation, antioxidant defense, and cellular energy. One capsule, twice daily.

  • MegaNatural-BP® Grape Seed Extract at 300mg clinical dose
  • Olive Leaf Extract with >20% Oleuropein, 800mg daily
  • CoQ10 at 200mg for cellular energy and heart support
Shop Flow™
90-Day Guarantee Free Shipping Clinically Dosed Vegan & Non-GMO
Man holding water glass outdoors with Flow™ supplement
Made in USA cGMP & NSF-Certified Facility Clinically Studied Ingredients Vegan & Non-GMO No Stimulants or Caffeine 90-Day Money-Back Guarantee
The Silent Challenge

Blood Pressure Rarely Warns You

High blood pressure develops quietly over years, often without noticeable symptoms. By the time most people realize something is wrong, the damage to blood vessels, heart, and organs may already be underway.

No Symptoms, Real Damage

High blood pressure is called "the silent killer" for a reason. It can damage your arteries, heart, and kidneys for years without a single noticeable symptom.

Numbers That Creep Upward

A reading of 125 becomes 130, then 138. Each annual checkup brings a slightly higher number, and lifestyle changes alone may not be enough to reverse the trend.

Energy That Fades Too Early

Afternoon fatigue, slower recovery after exercise, reduced stamina. These are not just signs of aging, they can signal that your cardiovascular system needs support.

Medication Is Not the Only Path

Prescription drugs can help, but they often come with side effects and long-term dependence. Many adults want a proactive, natural approach to support their heart health first.

Blood pressure cuff on upper arm Medical diagram showing healthy vs. damaged artery cross-sections
~50%
of U.S. adults have
high blood pressure
58%
of those with high BP
are unaware of it
72%
prevalence in
adults age 60+
Source: CDC / National Center for Health Statistics
Flow™ bottle with capsules
Triple-Action Formula
Introducing Flow™

Three Clinically Studied Ingredients. One Complete Formula.

Flow™ was formulated to address the three core pillars of cardiovascular health in a single daily supplement, using clinically studied ingredients at their full researched doses.

  • 01

    Healthy Circulation

    Supports Nitric Oxide production and endothelial function, promoting vessel flexibility and smooth blood flow throughout the body.

  • 02

    Antioxidant Defense

    Neutralizes free radicals that damage blood vessels and contribute to arterial stiffness, oxidative stress, and vascular inflammation.

  • 03

    Cellular Energy

    Fuels the heart muscle and cells with CoQ10-driven ATP production, supporting sustained energy, reduced fatigue, and cardiovascular resilience.

The Formula

Natural, Science-Proven Ingredients

Every ingredient in Flow™ is backed by peer-reviewed clinical research and dosed at the levels used in published studies.

Wine grapes with visible seeds, source of MegaNatural-BP® extract
Patented Ingredient

MegaNatural-BP® Grape Seed Extract

300mg per daily serving • ≥90% Polyphenols

Sourced from the highest quality wine-grape seeds, MegaNatural-BP® is a patented grape seed extract containing oligomeric proanthocyanidins (OPCs), a class of polyphenols shown to support Nitric Oxide production in the endothelium. This promotes vessel flexibility, healthy blood flow, and normal blood pressure levels.

Clinical Evidence

In a clinical trial with pre-hypertensive adults, 300mg per day of Grape Seed Extract for 8 weeks supported healthy blood pressure, with participants showing an average improvement of 8 mmHg (systolic) and 5 mmHg (diastolic) compared to placebo.

Robinson, M., Lu, B., Edirisinghe, I., & Kappagoda, C.T. Journal of Pharmacy and Nutrition Sciences, 2012.

Fresh olive leaves on the branch in Mediterranean sunlight
Time-Tested Botanical

Olive Leaf Extract

800mg per daily serving • >20% Oleuropein

Known as the "tree of life," the olive tree (Olea europaea) has been cultivated for over 6,000 years. Olive Leaf Extract delivers phenolic compounds such as oleuropein and hydroxytyrosol that support endothelial function, exhibit ACE-inhibitory activity, and provide robust antioxidant protection for cardiovascular well-being.

Clinical Evidence

In a clinical trial with stage-1 hypertensive adults, olive leaf extract taken twice daily for 8 weeks supported healthy blood pressure by 11.5 mmHg (systolic) and 4.8 mmHg (diastolic) compared to placebo.

Susalit, E., et al. Phytomedicine, 2011.

CoQ10 mitochondria energy production
Cellular Powerhouse

Coenzyme Q10 (CoQ10)

200mg per daily serving

CoQ10 is a naturally occurring compound essential for mitochondrial ATP production, the primary energy source for every cell in your body. The heart, as one of the most energy-demanding organs, relies heavily on CoQ10. Natural levels decline with age, making supplementation increasingly important for cardiovascular health and sustained daily energy.

Clinical Evidence

A meta-analysis of 12 clinical trials found that CoQ10 supplementation supported healthy systolic blood pressure by up to 17 mmHg and diastolic by up to 10 mmHg in hypertensive patients.

Rosenfeldt, F.L., et al. Journal of Human Hypertension, 2007.

Why Flow™

5 Reasons Flow™ Works When Others Don't

Most heart health supplements rely on a single ingredient at a fraction of the studied dose. Flow™ takes a fundamentally different approach.

01

Full Clinical Doses, Not Token Amounts

Every ingredient in Flow™ is dosed at the exact levels used in published clinical trials: 300mg of MegaNatural-BP®, 800mg of Olive Leaf Extract, 200mg of CoQ10. Many competitors use proprietary blends that hide the actual amounts, making it impossible to know whether you are getting an effective dose.

Pharmaceutical-grade precision dosing in laboratory
02

Triple-Action, Not Single-Pathway

Blood pressure is influenced by multiple biological systems. Flow™ addresses three of them simultaneously: circulation and Nitric Oxide production, antioxidant defense against vascular damage, and cellular energy for the heart muscle. This multi-pathway approach provides comprehensive cardiovascular support that single-ingredient products cannot match.

Three natural ingredients: grape seeds, olive leaves, and CoQ10
03

Patented, Researched Ingredients

MegaNatural-BP® is not generic grape seed extract. It is a patented, standardized extract with ≥90% polyphenols, developed and studied at the University of California, Davis. Each ingredient in Flow™ is sourced for purity, potency, and consistency.

Researcher examining a vial of extract in laboratory
04

Clean Formula, Zero Compromises

Flow™ is vegan, gluten-free, soy-free, dairy-free, and non-GMO. It contains no caffeine, no stimulants, no added sugars, and no unnecessary fillers or oils. Only essential, natural ingredients, nothing more.

Natural ingredients flatlay: olive leaves, grapes, and botanical powder
05

Made in the USA to the Highest Standards

Flow™ is manufactured in an FDA-registered, NSF-certified, cGMP-compliant facility in the United States. Every batch is produced under strict quality controls to ensure safety, purity, and potency.

Modern pharmaceutical manufacturing facility

How Flow™ Compares

Heartheris Flow™ Other Brands
Active Pathways Total system for blood pressure support, with 3 key pathways (Healthy Circulation + Cellular Energy + Antioxidant Defense) for lasting results Often single pathway, insufficient for meaningful results or support for blood pressure
Science-Proven Ingredients Ingredients backed by clinical studies for healthy blood pressure and cardiovascular support Unproven or unneeded ingredients increase risks of side effects
Clinically Effective Doses Evidence-informed dosing for true effectiveness Often under-dosed and ineffective
Consistent Quality Ingredients are standardized to contain effective amounts of active components Unstandardized ingredients can cause inconsistent effects
Everyday-Friendly Stimulant-free and designed for safe, long-term daily use Varies (Risk of unwanted / long-term side effects)
Sugars / Sweeteners Sugar-free, no added sweeteners Sugars and sweeteners common in gummies and chews
Added Oils No added oils Often use seed oils and processed ingredients for texture
Clean, Health-Focused Formula Only essential natural ingredients used. Vegan, gluten-free and non-GMO. Extraneous ingredients (e.g. sugar, syrups, oils) add calories and carbohydrates
Active couple enjoying outdoor walk at golden hour

Your Heart Health Journey Starts Here

Flow™ is designed for adults who want to take a proactive, science-backed approach to cardiovascular wellness, without waiting for a diagnosis to act.

What Customers Are Saying

Verified Reviews, Real Results

Helping with my blood pressure

"I take Flow every morning with breakfast. It fits right into my routine and I feel good knowing I'm doing something proactive. My doctor is happy with how things are going at my checkups."

Michelle K.
Age 44

Feel a lot better overall

"I eat well and stay active, but my numbers kept creeping up at my annual physicals. Adding Flow to my routine felt like the right move. My energy's noticeably better and I feel good heading into my next checkup."

James W.
Age 56

Good natural option

"My doctor mentioned my blood pressure was on the higher side, so I started looking into natural options. Flow had the most research behind it out of everything I looked at. Really glad I gave it a shot."

Kevin P.
Age 38

Feeling more energized

"Flow has been a good addition for me after my last check. Honestly I was skeptical at first, but I've been feeling less sluggish by end of day. It's helping with my blood pressure and the subscription has been great."

Robert D.
Age 59

Peace of mind for the whole family

"I got Flow for my husband and my father. My husband has more energy during the day, and my dad says he feels less tired in the afternoons. Knowing they're both taking care of their heart health means a lot to me."

Patricia N.
Age 51

Finally something that works for me

"I've tried a few different supplements over the years and nothing really stuck. Flow is simple, two capsules a day, and I actually notice a difference in how I feel. My stamina on my morning walks has improved and I feel sharper overall."

Thomas R.
Age 63
Woman practicing morning wellness routine
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90 Day Guarantee

The Heartheris Confidence Guarantee

We believe in Flow™ so strongly that we back every order with a 90-day money-back guarantee. If you are not satisfied for any reason, contact us within 90 days of your purchase for a full refund. No questions, no hassle.

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Quality You Can Trust

Made in USA

Manufactured in the United States in an FDA-registered facility.

cGMP & NSF Certified Facility

Produced under Current Good Manufacturing Practices in an NSF-certified facility.

Clinically Studied

Every ingredient is backed by peer-reviewed clinical research at the doses used in those studies.

Full Dose Transparency

Exact ingredient doses are disclosed on our website so you know precisely what you are taking.

Frequently Asked Questions

Take two capsules daily with a meal. For best results, take one capsule in the morning and one in the evening. Each bottle contains 60 capsules, a full 30-day supply.

Individual results vary. Some customers report feeling more energized within the first two weeks. The clinical studies on our key ingredients measured outcomes over 8-week periods, so we recommend giving Flow™ at least 8 to 12 weeks for the full benefits to develop. This is why we offer a 90-day money-back guarantee.

Flow™ is made from natural ingredients and is generally well-tolerated. However, if you are currently taking blood pressure medication or any other prescription drugs, we strongly recommend consulting your healthcare provider before starting any new supplement.

Yes. All three ingredients in Flow™ have established safety profiles and have been used in clinical studies lasting 8 weeks or longer. Flow™ contains no stimulants, caffeine, or habit-forming substances, making it suitable for daily, long-term use as part of a healthy lifestyle.

We offer a 90-day money-back guarantee on all orders. If you are not satisfied with Flow™ for any reason, simply contact our support team within 90 days of your purchase date for a full refund. No questions asked.

When you subscribe, your chosen supply of Flow™ is automatically shipped at your selected interval (every 1, 2, or 3 months). You save up to 24% compared to one-time purchases, and all subscriptions include free shipping. You can pause, skip, or cancel your subscription at any time through your account, with no penalties or fees.

Flow™ is a triple-action blood pressure support formula that combines three clinically studied ingredients at their full researched doses in a single supplement. Most competitors use proprietary blends that hide actual ingredient amounts, or rely on a single active ingredient. Flow™ addresses circulation, antioxidant defense, and cellular energy simultaneously, providing comprehensive cardiovascular support.

Take the First Step Toward Better Heart Health

Clinically dosed, science-backed, and protected by a 90-day money-back guarantee.

Shop Flow™
Shop Flow™