For centuries, berberine-containing plants have been used in traditional wellness practices. Today, modern research has renewed interest in berberine and its next-generation cousin, dihydroberberine (DHB), for their ability to support healthy metabolism, cellular energy production, cardiovascular wellness, and healthy aging.

While many people recognize berberine for healthy glucose metabolism, fewer realize that one of its most important benefits may be its role in helping manage oxidative stress by supporting the body’s natural antioxidant defenses.

From healthy aging and cardiovascular function to skin appearance and cellular health, oxidative balance plays a critical role in how we feel and function every day.

What Is Oxidative Stress?

Every day, your body produces energy through billions of cellular reactions. As a normal byproduct of these reactions, unstable molecules called free radicals are generated. When free radicals accumulate faster than the body's natural defense systems can manage them, oxidative stress occurs.

Think of oxidative stress as a form of biological "wear and tear.” Just as oxygen causes a cut apple to brown or metal to rust, oxidative stress may gradually influence how cells and tissues function over time. 

This is why maintaining healthy antioxidant defenses is important for supporting normal cellular function and overall wellness, including:

• Healthy aging

• Cardiovascular wellness

• Metabolic health

• Cognitive function

• Exercise recovery

• Skin appearance and resilience

How Berberine Supports Antioxidant Activity

Research suggests berberine supports the body's natural antioxidant systems through multiple pathways. One of the most studied mechanisms involves activation of AMP-activated protein kinase (AMPK), often called the body's "metabolic master switch."

AMPK helps regulate:

• Cellular energy production

• Glucose utilization

• Fat metabolism

• Mitochondrial function

• Healthy oxidative stress response

Through AMPK activation, berberine helps support healthy cellular energy production and the body's natural antioxidant defenses.

Research has also shown that berberine may help support activation of Nrf2, a key cellular pathway involved in antioxidant protection. Nrf2 promotes the production of important endogenous antioxidant compounds including:

• Glutathione

• Superoxide dismutase (SOD)

• Glutathione peroxidase

These compounds help neutralize free radicals and support healthy cellular function.

Healthy Mitochondria, Healthy Cells

Mitochondria are often called the "power plants" of the cell because they generate the energy needed for nearly every biological process. They are also one of the primary sources of free radical production.

Research suggests berberine helps support mitochondrial function and healthy cellular energy metabolism. By supporting mitochondrial function and AMPK activity, berberine may help support the body’s natural balance between energy production and oxidative stress.

This combination of metabolic and antioxidant support is one reason berberine continues to receive attention from researchers studying healthy aging and metabolic wellness.

Berberine and Skin Health

Your skin is constantly exposed to environmental stressors such as sunlight, pollution, and ozone, in addition to normal metabolic activity. These factors can increase oxidative stress within skin tissues.

Healthy antioxidant activity helps support:

• Skin hydration

• Collagen integrity

• Skin elasticity

• Oxidative defense

• Healthy-looking skin

Because oxidative stress can influence the way skin looks over time,  nutrients that support the body's antioxidant defenses may play an important role in overall skin wellness.

By supporting healthy inflammatory balance, antioxidant activity, and glucose metabolism, berberine and DHB offer support that extends well beyond metabolic health alone.

Why Dihydroberberine Is Different

Traditional berberine has one major limitation: it is poorly absorbed. In fact, studies have demonstrated that standard berberine has extremely low oral bioavailability, meaning only a small percentage reaches circulation after ingestion.

This is where dihydroberberine (DHB) offers an advantage. DHB is a reduced form of berberine that is converted back into berberine after absorption. Research has demonstrated that DHB produces significantly greater absorption and higher circulating berberine levels than standard berberine. Many experts commonly describe DHB as being approximately five times more absorbable than conventional berberine, allowing meaningful support at lower dosages.

Potential advantages of DHB include:

• Enhanced absorption

• Improved bioavailability

• Lower effective dosing

• Reduced gastrointestinal discomfort for sensitive individuals

• More efficient delivery of berberine's metabolic and antioxidant support

Why Delivery Matters

Even highly absorbable ingredients face another challenge: time. Many supplements release their entire dose rapidly after swallowing. Blood levels rise quickly, peak, and then decline. This "dose dumping" effect can shorten the period of nutrient exposure. 

SmartMatrix™ tablet technology was developed to address this challenge. This proprietary technology utilizes a vegetable wax matrix that gradually releases nutrients over several hours.

Rather than delivering the entire dose at once, SmartMatrix™ delivery provides a sustained release profile that helps support extended nutrient exposure throughout the day.

For ingredients such as DHB, sustained release delivery may help:

• Extend nutrient availability

• Support consistent nutrient exposure

• Promote steadier antioxidant support

• Improve convenience with fewer daily doses

The result is a delivery system designed not only around what the ingredient does, but also how the body receives it.

Supporting Health for the Long Run

As we age, many of us notice subtle changes in energy, recovery, metabolism, and skin appearance. Often, these changes are influenced by the cumulative effects of oxidative stress and everyday wear-and-tear on the body.

Berberine has been the focus of decades of scientific interest for its ability to support healthy glucose metabolism, cellular energy production, antioxidant defenses, cardiovascular wellness, and healthy aging. Dihydroberberine builds on this foundation by improving absorption, helping more of the active compound reach the circulation.

The Endur® brand is grounded in the belief that supporting long-term wellness is about more than choosing the right ingredient—it's about delivering it in a way that works with the body. That's why we pair highly absorbable dihydroberberine with SmartMatrix™ sustained-release tablet technology to give you steady support throughout the day for the systems that help you feel your best.*

SmartMatrix is a trademark of Innovite, Inc.

Author: Dr. Bradley Bush, N.D.
Chief Medical Officer

References

Ai X, Yu P, Peng L, et al. Berberine: a review of its pharmacokinetics properties and therapeutic potentials in diverse vascular diseases. Front Pharmacol. 2021;12:762654. doi:10.3389/fphar.2021.762654

ClinicalTrials.gov. Bioavailability of Berberine and Dihydroberberine and Their Impact on Glycemia (NCT05021341) https://clinicaltrials.gov/study/NCT05021341

Liu CS, Zheng YR, Zhang YF, Long XY. Research progress on berberine with a special focus on its oral bioavailability. Fitoterapia. 2016;109:274-282. doi:10.1016/j.fitote.2016.02.001

Utami AR, Maksum IP, Deawati Y. Berberine and Its Study as an Antidiabetic Compound. Biology (Basel). 2023;12(7):973. doi:10.3390/biology12070973

Zhao H, Halicka HD, Li J, Darzynkiewicz Z. Berberine suppresses gero-conversion from cell cycle arrest to senescence. Aging. 2013;5(8):623-636. doi:10.18632/aging.100593

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.