Hello, I’m Dr. Kevin Passero. In my 20+ years of reviewing cholesterol panels with patients, I’ve seen the same challenge again and again: too much LDL (“bad”) cholesterol and not enough HDL (“good”) cholesterol. Together, this imbalance significantly impacts long-term heart and vascular health.

When it comes to cholesterol, focusing on a single number rarely tells the full story. What really matters is the balance between LDL, HDL, and triglycerides—and the ratios they create. Elevated LDL drives plaque buildup, low HDL limits cholesterol clearance, and high triglycerides raise risk even further.

Research shows that the triglyceride-to-HDL ratio is one of the strongest markers of cardiovascular and metabolic health. Yet many factors—diet high in saturated or trans fats, lack of exercise, excess weight, smoking, genetics, and even age—can throw this balance off.

In my clinic, I often see patients searching for a safe, effective alternative to conventional methods which often come with harsh side effects. Many have already tried cholesterol supplements, only to be let down by weak, underdosed formulas that don’t deliver results. When they ask me how to lower LDL, raise HDL, and improve triglycerides naturally, my answer is clear: citrus bergamot.

Of all the nutrients I’ve studied, citrus bergamot is among the most researched and clinically validated—shown to support healthy cholesterol, triglycerides, and overall metabolic balance.

That’s why I developed Durable HEART®. It delivers Bergamonte®—the patented citrus bergamot extract grown exclusively in Calabria, Italy. Delivered at the full 1,000 mg clinical dosage, Bergamonte® is standardized to >38% polyphenols and validated in 14 published human trials. Unlike generic bergamot, it’s the only form proven to deliver meaningful results:

Why 9 Out of 10 Citrus Bergamot Supplements Fail Clinical Standards

The market is crowded with ineffective bergamot supplements. Many on the market:

• Use non-standardized fruit powder instead of a clinically studied extract

• Contain less than the proven 500–1,000 mg daily dosage

• Skip vitamin C—key for maximizing polyphenol absorption

• Omit complementary nutrients like olive leaf extract for synergistic heart support

• Lack third-party testing for purity and potency

Without the right form, dose, and absorption support, you could be taking bergamot for months without seeing meaningful improvements in your cholesterol.

Here’s the problem: the supplement market is flooded with low-quality, ineffective formulas. Most bergamot products are made with:

• Non-standardized bergamot extracts with no clinical backing
• Ineffective dosages far below the 1,000 mg proven level
• No absorption support such as vitamin C to enhance bergamot’s effectiveness
• No complementary compounds like olive leaf extract for cardiovascular synergy
• No third-party testing to ensure purity and potency

Without the right extract, dosage, and absorption support, you could take bergamot for months without meaningful improvements. That’s why Durable HEART® uses Bergamonte®—the patented, clinically studied citrus bergamot extract—delivered at the full 1,000 mg clinical dosage and and recognized as the most researched form of bergamot.

What Makes Durable HEART® the Best Choice
for Cholesterol & Triglyceride Support

What Makes Durable HEART® the Best Choice for Cholesterol & Triglyceride Support

In my clinic, I’ve seen too many patients frustrated by cholesterol supplements that simply don’t deliver. They’re often underdosed, unstandardized, or missing the key companion nutrients that make all the difference. That’s why I created Durable HEART®—a clinical-grade solution built on the same protocol I trust with my own patients.

1. Bergamonte® — The Gold-Standard, Full-Spectrum Extract

Durable HEART® delivers a full 1,000 mg clinical dosage of Bergamonte®—the only patented extract grown exclusively in Calabria, Italy and standardized to >38% polyphenols.

Backed by over 200 research papers and validated in 14 published human trials, Bergamonte® is also the only bergamot extract proven free of compounds known to interfere with other medications. That makes it the most clinically validated—and safest—form available, and the only one I trust in my clinic.

2. Full Clinical Dosage — Proven in Human Trials

Most supplements that feature Bergamonte® provide only 500 mg per serving. Durable HEART® doubles that amount, delivering the exact 1,000 mg daily dosage used in human trials—shown to lower LDL, raise HDL, reduce triglycerides, and support healthy blood sugar in as little as 30 days. Research shows this level to be up to 80% more effective.*

3. Vitamin C for Enhanced Bergamot Benefits

Most formulas leave out this critical cofactor. Durable HEART® includes 50 mg of premium non-GMO vitamin C to help your body fully utilize Bergamonte® while providing additional antioxidant support.* See the study →

4. Olive Leaf Extract for Artery & Inflammation Support

To further strengthen the formula, I included 100 mg of pure olive leaf extract, sourced from freshly picked Spanish olive leaves and processed immediately after harvest to preserve potency. Rich in oleuropein, this powerful polyphenol supports healthy lipid metabolism, arterial flexibility, and balanced inflammation—making it the perfect complement to Bergamonte®.* See the study →

5. Doctor-Formulated for Quality and Safety — Down to the Bottle

With over 20 years of clinical experience, I designed Durable HEART® to meet the highest standards of safety, purity, and effectiveness:

• Clinical-grade ingredients at the dosages proven in human trials
• Clean, non-GMO formula—no fillers, dyes, or unnecessary additives
• Made in the USA in an FDA-approved, cGMP-certified facility
• Third-party tested for purity, potency, and safety
• Packaged in amber glass bottle to protect against UV light and plastic leaching
• Backed by our 1-Year “Better Labs or Your Money Back” Guarantee

Durable HEART vs. Standard Bergamot Supplements

Durable HEART vs. Standard Bergamot Supplements

Swipe to see full chart →

Balance Cholesterol & Triglycerides Naturally—in as Little as 90 Days

Balance Cholesterol & Triglycerides Naturally—
in as Little as 90 Days

Balance Cholesterol & Triglycerides Naturally—in as Little as 90 Days

• Promotes superior cardiovascular function*
• Supports healthy cholesterol balance*
• Promotes optimal HDL (“good”) cholesterol levels*
• Helps maintain healthy triglycerides*
• Supports healthy blood sugar metabolism*
• Aids in healthy weight management*

We believe in Durable HEART so strongly, it’s backed by a 365-day guarantee. Not satisfied—even after finishing the bottle? Get a full refund, no questions asked.

Buy Durable HEART – On Sale with Free Shipping

About Dr. Kevin Passero

Dr. Kevin Passero is a leading functional medicine expert and practicing naturopathic physician on a mission to empower people to take control of their health.

Through his two popular clinics in the Washington, DC metro area, he’s helped thousands of people find the root causes of their health imbalances and recover their energy, vitality, clarity and resilience.

Dr. Passero blends cutting-edge diagnostics with proven natural therapies to help his patients get results. He formulates every Durable supplement drawing on his over 20 years of clinical experience and the latest scientific research.

Outside of work, you can often find him enjoying the outdoors with his family.

†Dr. Kevin Passero is a licensed Naturopathic Physician in the District of Columbia and licensed Naturopathic Doctor in the State of Maryland.