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Item #BER01

Dr. Julian Whitaker

Clinical Grade Berberine (1500mg)

Help maintain normal blood sugar and cholesterol levels with this clinical grade berberine supplement

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Additional Product Details

Blood sugar support and so much more!

Blood sugar support

Heart health

Doctor developed

Researched dosage

Omega Q Plus ULTRA

WHAT is Berberine?

Berberine is a natural plant alkaloid found in goldenseal, barberry, goldthread, and Oregon grape. This well-tolerated extract works at the cellular level to support healthy blood sugar levels already in the normal range, even after eating a meal or sugary treat.

HOW does it work?

In vitro evidence suggests Berberine works by helping to enhance AMPK-activated protein kinase, which controls the synthesis and uptake of glucose transporters that move glucose from your bloodstream into your cells. Research suggests that berberine may also help to support the activity of insulin receptors—supporting insulin sensitivity.

WHY should you take it?

Research shows that Berberine supports healthy blood sugar levels, that it maintains blood sugar levels before and after meals, and even supports healthy triglyceride levels, total and LDL cholesterol levels, and healthy blood pressure.

Comprehensive, All-in-One Advanced Cardiovascular Support

Clinical Validation

One study showed that 1,500 mg of Berberine daily supports normal fasting and postprandial blood glucose levels already in the normal range, along with 3-month average healthy blood sugar levels. Additional research showed participants with elevated cholesterol and triglyceride levels who took 1,000 mg of berberine daily for three months saw healthier LDL, healthier triglycerides, and healthier total cholesterol.

1,500 mg dosage

1,500 mg dosage

The 1,500 dosage in Whitaker Nutrition Berberine matches the full researched dosage shown to support a healthy blood glucose response with each meal, among other benefits. We recommend 500 mg of Berberine 3X a day with a meal as the best way to deliver maximum results.

Science follows tradition

Science follows tradition

For centuries, traditional Chinese and Ayurvedic medicines used this miracle herb from Mother Nature—Berberine—to treat all kinds of ailments. Practitioners of Western medicine finally decided the Chinese were onto something. Realizing Berberine’s tremendous potential, researchers began studying its effect on blood sugar, with outstanding results. Today, Berberine is the go-to solution for many practitioners.

Secret Weapon Crominex 3+ Supports Important Heart Markers

Premium quality, thorough testing

Whitaker Nutrition Berberine is backed by Healthy Directions’ Triple-Testing Philosophy, which includes rigorous screening of raw materials, finished goods batch testing, and independent third-party lab testing. The result is a stellar 25-year reputation for outstanding quality and safety.

Berberine Berberine
Berberine GlucoGOLD+ Berberine GlucoGOLD+
1,500 mg berberine for advanced blood sugar maintenance
Clinically validated ingredients
Doctor formulated
400 mcg Crominex 3+ Chromium for improving insulin receptor sensitivity
200 mg potent, concentrated cinnamon to support glycemic control

48 mg Banaba Leaf Extract to help maintain healthy blood glucose levels

Ingredients and Dosage

Doctor's Suggested Use: Take 3 capsules daily—1 before each meal.

Serving Size: 1 Capsule
Servings Per Container: 90

Ingredient

Amount Per Serving

Berberine Hydrochloride (BerberPure™)

500 mg

Other ingredients: Microcrystalline cellulose, gelatin, magnesium stearate, gum acacia, silica

Precautions: Consult a health care practitioner before use if you are on insulin or are hypoglycemic, are pregnant or nursing, have a serious medical condition, or use any other medications.

Keep out of reach of children.


  • Gluten Free

BerberPure™‡ is a trademark of Healthy Directions.

Science and Quality

Where does this amazing phytonutrient come from?

Berberine is a plant alkaloid, a naturally occurring chemical compound found in herbs such as goldenseal, Oregon grape, barberry, and goldthread. While you may be able to find berberine in a few supplements here and there, it’s rare and unlikely you’ll find the dose that helps maintain normal blood sugar levels—which means a lot of folks are missing out on the most powerful benefits.

That changes with Clinical Grade Berberine supplement formula, as it gives you the full research dose of 1,500 mg, shown to help support blood sugar, cholesterol, and triglyceride levels already in the normal range.

Berberine Supports Healthy Blood Sugar and More!

In one part of a two part study, individuals were given three 500 mg doses of berberine daily (the same dose in Clinical Grade Berberine) for three months. Research showed that berberine supports a healthy blood glucose response to a meal. In the second part of this study, individuals were also given three 500 mg doses of berberine daily and the trial showed that berberine helps maintain blood sugar levels already in the normal range, supports a healthy blood lipid profile, and supports healthy total and LDL cholesterol levels.1

1Zhao W, et al. Biomed Pharmacother 2008;62(10):730–1.

Product Quality

In addition, Berberine is manufactured under stringent quality controls:

  • Each ingredient's potency is verified. View the Certificate of Analysis.
  • Manufactured to exacting standards using highest quality raw materials
  • Produced in accordance with our strict Standard Operating Procedures (SOPs) that meet those set by the FDA’s Good Manufacturing Practices
  • Every batch tested to verify purity and potency specifications are met
  • Quality assured with our Triple-Testing Philosophyâ„¢
  • Backed by our 100% satisfaction guarantee

What is berberine and what does it do?

Berberine is a natural plant compound found in Berberis aristata and other botanicals. It has been extensively validated for its ability to support healthy blood sugar, insulin function, cholesterol levels, and overall cardiometabolic health. Clinical Grade Berberine provides a researched daily amount to support these important metabolic pathways.
Read More
Berberine is a bioactive compound extracted from plants such as Berberis aristata, also known as Indian barberry. It has become one of the most researched ingredients for metabolic health because of its ability to support multiple aspects of healthy glucose and lipid balance.

Whitaker Nutrition Clinical Grade Berberine features BerberPure®, a clinically validated form of berberine hydrochloride. Each daily serving provides 1,500 mg, the researched amount commonly used in clinical studies evaluating healthy blood sugar, insulin sensitivity, cholesterol, triglycerides, and metabolic health. Research suggests berberine supports healthy insulin receptor activity and helps promote healthy lipid levels, making it a valuable tool for individuals seeking comprehensive metabolic support. Dr. Julian Whitaker formulated this product to deliver a science-backed approach to blood sugar and cardiovascular wellness.

What makes Whitaker Nutrition Clinical Grade Berberine different from other berberine supplements?

Clinical Grade Berberine contains BerberPure®, a trademarked berberine ingredient, and delivers 1,500 mg daily—the researched amount used in many clinical studies. It was formulated by Dr. Julian Whitaker and focuses on comprehensive metabolic support, including healthy blood sugar, insulin response, cholesterol, and triglyceride levels.
Read More
Not all berberine supplements are formulated the same way. Clinical Grade Berberine is built around BerberPure®, a trademarked and clinically researched berberine hydrochloride ingredient. The formula provides 500 mg per capsule, allowing users to achieve a clinically aligned daily intake of 1,500 mg when taken as directed.

Unlike many products that simply list berberine content, this formula is positioned specifically for glucose support, glycemic control, insulin support, lipid support, and cardiometabolic health. It was formulated by Dr. Julian Whitaker, a pioneer in integrative medicine, and is backed by key ingredient research evaluating fasting glucose, HbA1c, insulin sensitivity, cholesterol, LDL, HDL, triglycerides, and other markers of metabolic wellness. This clinical foundation helps distinguish it from generic berberine products.

Can berberine help support healthy blood sugar levels?

Yes. Berberine is one of the most validated natural ingredients for blood sugar support. Research shows it may help support fasting glucose levels, post-meal glucose levels, and lasting glycemic control when already within the normal range as part of a healthy lifestyle.
Read More
Clinical studies have evaluated berberine's ability to support multiple markers of healthy glucose levels. Research included fasting blood glucose, post-meal glucose response, and HbA1c, which reflects average blood sugar levels over approximately two to three months.

In clinical trials, berberine supplementation demonstrated significant improvements in fasting glucose and post-meal glucose measurements compared with baseline or placebo. Additional studies found support for healthy HbA1c levels, an important marker of extended glycemic control. Because blood sugar regulation involves several interconnected metabolic processes, berberine's broad activity has made it one of the most researched nutrients for metabolic health support. Clinical Grade Berberine delivers the researched daily amount used in many of these investigations.

How does berberine support insulin function?

Berberine may help support healthy insulin sensitivity and the body's normal response to insulin. Research suggests it can influence insulin receptor activity and cellular blood sugar, helping support efficient glucose balance as part of healthy metabolic function.
Read More
Insulin helps move glucose from the bloodstream into cells where it can be used for energy. Healthy insulin sensitivity allows the body to respond efficiently to this process.

Research on berberine has shown support for healthy fasting insulin levels and insulin sensitivity. Studies evaluating HOMA-IR, a common marker of insulin resistance, demonstrated beneficial changes following berberine supplementation. Laboratory research also suggests berberine may support insulin receptor expression, providing insight into one of its potential mechanisms of action.

Because insulin function and blood sugar are closely connected, supporting healthy insulin sensitivity can play an important role in overall metabolic wellness. Clinical Grade Berberine was designed to provide the researched level of berberine associated with these benefits.

Can berberine support cholesterol and triglyceride levels?

Yes. Clinical research has shown berberine may help support total cholesterol, LDL cholesterol, HDL cholesterol, and triglyceride levels already within the normal range, making it a popular supplement for comprehensive cardiometabolic support.
Read More
While many people know berberine for blood sugar support, research suggests its benefits extend beyond glucose balance. Multiple studies have evaluated berberine's effects on total cholesterol, LDL ("bad") cholesterol, HDL ("good") cholesterol, and triglycerides.

Clinical findings demonstrated favorable changes across several lipid markers, including reductions in total cholesterol, LDL cholesterol, and triglycerides, while some studies also reported support for normal HDL levels. These effects help explain why berberine is often used as part of a broader cardiometabolic wellness strategy.

Whitaker Nutrition Clinical Grade Berberine was formulated to support both glucose levels and lipid health, offering a comprehensive approach to metabolic wellness using a clinically researched key ingredient and daily dosage.

How long does it take for berberine to start working?

The timeline can vary from person to person, but clinical studies have observed changes in blood sugar, cholesterol, triglycerides, and other metabolic markers within as little as 4 weeks, with many studies evaluating results after 8 to 12 weeks of consistent use.
Read More
Like most nutritional supplements, berberine works gradually as it supports the body's natural metabolic processes. Individual results depend on factors such as diet, activity level, baseline health status, and consistency of use.

Clinical research on berberine has reported improvements in certain metabolic markers in as little as four weeks, while many studies measured outcomes after two to three months of daily supplementation. Researchers evaluated changes in fasting blood glucose, HbA1c, cholesterol, LDL, triglycerides, insulin sensitivity, and other markers of metabolic wellness over these periods.

For best results, take Clinical Grade Berberine consistently as directed and combine it with a healthy diet and lifestyle. Consistency over time typically provides the greatest opportunity to support healthy metabolic function.

Why does Clinical Grade Berberine provide 1,500 mg per day?

The recommended daily serving delivers 1,500 mg because this amount aligns with the levels commonly validated in clinical research evaluating blood sugar, insulin sensitivity, cholesterol, triglycerides, and overall metabolic health.
Read More
One of the most important considerations when choosing a berberine supplement is dosage. Many published studies evaluating berberine's effects on glucose metabolism, cholesterol balance, and cardiometabolic health used daily amounts ranging from approximately 900 mg to 1,500 mg.

Clinical Grade Berberine provides 500 mg per capsule, with a recommended serving of three capsules daily for a total of 1,500 mg. This allows users to match the researched daily intake associated with many of the clinical outcomes reported in the scientific literature.

Rather than offering a lower-dose formula, Dr. Julian Whitaker designed Clinical Grade Berberine to deliver a clinically relevant amount of berberine for comprehensive metabolic support.

What is BerberPure®?

BerberPure® is the trademarked berberine ingredient used in Clinical Grade Berberine. It supplies berberine hydrochloride sourced from Berberis aristata and serves as the clinically researched foundation of the formula's metabolic and blood sugar support benefits.
Read More
BerberPure® is Healthy Directions' trademarked berberine hydrochloride ingredient derived from Berberis aristata, also known as Indian barberry. It was selected as the sole active ingredient in Clinical Grade Berberine because berberine itself has been extensively validated for supporting healthy blood sugar, insulin function, cholesterol balance, and cardiometabolic health.

The formula contains a full 500 mg of BerberPure® per capsule and delivers 1,500 mg daily when taken as directed. By focusing on a single, clinically validated ingredient, the formula provides targeted metabolic support without unnecessary additives or proprietary blends that can obscure dosing.

For consumers looking for transparency and science-backed formulation, BerberPure® represents the clinically focused foundation of this product.

Can berberine support overall metabolic health?

Yes. Berberine is often used for comprehensive metabolic support because it has been validated across multiple areas, including blood sugar regulation, insulin sensitivity, cholesterol levels, triglycerides, body composition, and cardiometabolic wellness.
Read More
Metabolic health involves far more than blood sugar alone. It encompasses how the body regulates glucose, responds to insulin, manages cholesterol and triglycerides, and maintains healthy body composition.

One reason berberine has attracted significant scientific interest is its broad range of validated metabolic benefits. Clinical research has evaluated fasting glucose, post-meal glucose, HbA1c, fasting insulin, insulin sensitivity, total cholesterol, LDL cholesterol, triglycerides, body weight, BMI, and waist circumference.

Because it targets multiple aspects of metabolic function simultaneously, berberine is often considered one of the most comprehensive natural ingredients for metabolic wellness support. Clinical Grade Berberine was specifically positioned to support glucose control, insulin function, lipid balance, and cardiometabolic health as part of a healthy lifestyle.

Can berberine help support healthy weight management?

Berberine is not a weight-loss drug, but research suggests it may support healthy body weight, BMI, and waist circumference as part of an overall metabolic wellness program that includes healthy eating and regular physical activity.
Read More
Weight management and metabolic health are closely connected. While Clinical Grade Berberine is primarily formulated for blood sugar and metabolic support, some studies have also evaluated changes in body weight, BMI, and waist circumference.

Research cited for berberine has demonstrated improvements in body weight and BMI measurements in certain populations. Scientists believe these effects may be related to berberine's support for healthy glucose metabolism, insulin function, and lipid metabolism rather than direct appetite suppression.

It's important to view berberine as a metabolic support supplement rather than a quick-fix weight-loss solution. For best results, it should be used alongside healthy nutrition, regular exercise, quality sleep, and other lifestyle practices that support lasting wellness goals.

Is berberine better than metformin?

Berberine and metformin are different. Metformin is a prescription medication, while berberine is a dietary supplement. Berberine has been extensively studied for supporting healthy blood sugar and insulin sensitivity, but it is not intended to replace prescription medications or medical care.
Read More
Many consumers compare berberine to metformin because both have been validated in relation to glucose balance. However, they serve different purposes and fall into different categories.

Metformin is an FDA-approved prescription medication prescribed by healthcare professionals. Berberine is a plant- derived compound available as a dietary supplement. Research suggests berberine may support healthy fasting glucose, HbA1c, insulin sensitivity, and metabolic health, which is why comparisons are common.

Clinical Grade Berberine was formulated to support healthy blood sugar as part of a wellness-focused lifestyle approach. Individuals taking prescription medications should always consult their healthcare provider before adding berberine or making changes to their treatment plan.

Is berberine similar to Ozempic®?

Berberine and Ozempic® are very different. Ozempic® is a prescription medication, while berberine is a plant-derived dietary supplement. Berberine is commonly used to support healthy blood sugar, insulin sensitivity, and metabolic wellness as part of a healthy lifestyle.
Read More
Interest in berberine has increased as consumers search for natural ways to support metabolic health. This has led to frequent comparisons with GLP-1 medications such as Ozempic®.

While both are associated with metabolic wellness discussions, they work differently and belong to entirely different categories. Ozempic® is a prescription medication prescribed and monitored by healthcare providers. Berberine is a plant-derived nutrient that has been validated for supporting healthy blood sugar, insulin sensitivity, cholesterol, and overall cardiometabolic health.

Clinical Grade Berberine is intended to complement a healthy lifestyle and is not intended to replace any prescription therapy. Anyone currently using prescription medications should consult a healthcare professional before adding a new supplement.

Should berberine be taken with food?

Clinical Grade Berberine is designed to be taken before meals. The recommended use is one capsule before each meal, providing a total of three capsules daily and delivering the full researched daily amount of berberine.
Read More
According to Dr. Whitaker's suggested use, Clinical Grade Berberine should be taken as one capsule before breakfast, one capsule before lunch, and one capsule before dinner.

Splitting the serving across meals helps users consistently achieve the full 1,500 mg daily amount while supporting healthy glucose balance throughout the day. Because meals are closely tied to blood sugar and insulin responses, many clinical studies evaluating berberine have focused on metabolic markers associated with food intake and glucose regulation.

Taking berberine consistently according to label directions helps ensure you receive the intended daily amount used in the product's formulation strategy.

What is the best time of day to take berberine?

The recommended schedule is one capsule before each main meal. This approach distributes berberine intake throughout the day and provides the full daily serving used in the Clinical Grade Berberine formula.
Read More
Consistency is often more important than choosing a single "perfect" time of day. Clinical Grade Berberine was designed to be taken before meals, with one capsule before breakfast, lunch, and dinner.

This schedule helps spread intake across the day rather than consuming the entire serving at once. Because blood sugar metabolism, insulin activity, and nutrient processing occur throughout the day in response to meals, dividing the serving supports ongoing metabolic wellness support.

Users who maintain a consistent routine are more likely to achieve the intended daily intake of 1,500 mg provided by the formula.

Who should consider taking berberine?

Berberine may be a good choice for adults looking to support healthy blood sugar, insulin function, cholesterol balance, triglycerides, and overall metabolic wellness as part of a healthy lifestyle and nutrition program.
Read More
Clinical Grade Berberine was formulated for individuals seeking comprehensive metabolic support. It may be especially appealing to adults focused on maintaining healthy blood sugar levels, insulin sensitivity, lipid balance, and cardiovascular wellness already within normal ranges.

Because berberine has been validated across multiple aspects of metabolic health—including fasting glucose, HbA1c, cholesterol, LDL, triglycerides, body weight, and waist circumference—it is often used by individuals looking for broad metabolic support rather than support for only one health goal.

As with any supplement, individuals who are pregnant, nursing, have a medical condition, or take medications should consult their healthcare provider before use.

What are the ingredients in Clinical Grade Berberine?

Clinical Grade Berberine contains one active ingredient: 500 mg of BerberPure® berberine hydrochloride per capsule. Other ingredients include microcrystalline cellulose, gelatin, vegetable magnesium stearate, and silica.
Read More
One of the distinguishing features of Clinical Grade Berberine is its simplicity. Rather than combining multiple ingredients in a proprietary blend, the formula focuses exclusively on BerberPure® berberine hydrochloride.

Each capsule delivers 500 mg of berberine sourced from Berberis aristata (Indian barberry). The remaining ingredients are commonly used capsule components that help ensure product quality, consistency, and manufacturing stability.

This straightforward approach allows consumers to know exactly how much berberine they are receiving with every serving and aligns with Dr. Whitaker's philosophy of evidence-based nutritional support.

What is berberine made from?

Berberine is a plant-derived compound found in several botanicals. Clinical Grade Berberine uses berberine hydrochloride sourced from Berberis aristata, commonly known as Indian barberry.
Read More
Berberine belongs to a class of naturally occurring plant compounds called alkaloids. It is found in several traditional botanical species, including Berberis aristata, which is often referred to as Indian barberry.

Clinical Grade Berberine uses berberine hydrochloride derived from Berberis aristata because this source has been widely used in scientific research evaluating metabolic wellness, glucose balance, and cardiovascular health markers.

The ingredient has attracted substantial scientific interest due to its broad range of validated effects on blood sugar regulation, insulin function, lipid levels, and overall cardiometabolic health.

Does berberine support healthy triglyceride levels?

Yes. Multiple clinical studies have evaluated berberine's ability to support triglyceride levels already within the normal range, making it an important ingredient for comprehensive metabolic and cardiovascular wellness support.
Read More
Triglycerides are a type of fat found in the bloodstream and are commonly measured alongside cholesterol as part of a cardiovascular wellness assessment.

Clinical research on berberine has demonstrated support for healthy triglyceride levels across multiple study populations. Researchers observed favorable changes in triglyceride measurements while also evaluating cholesterol, LDL, HDL, blood sugar, and other metabolic markers.

This broad metabolic activity is one reason berberine has become a popular supplement for individuals seeking comprehensive cardiometabolic support. Clinical Grade Berberine was specifically formulated to support both healthy glucose and lipid balance.

Does berberine support cholesterol levels?

Yes. Berberine has been validated for supporting total cholesterol, LDL cholesterol, HDL cholesterol, and triglycerides, making it one of the most researched nutrients for metabolic and cardiovascular wellness.
Read More
Cholesterol management involves more than a single number. Researchers often evaluate total cholesterol, LDL, HDL, triglycerides, and related cardiovascular markers together.

Clinical studies involving berberine have demonstrated support for multiple lipid measurements, including total cholesterol, LDL cholesterol, HDL cholesterol, and triglycerides. These findings help explain why berberine is frequently recommended as part of a comprehensive metabolic health strategy.

Clinical Grade Berberine combines a clinically validated ingredient with a researched daily serving amount to help support cholesterol and lipid levels,alongside healthy blood sugar regulation.

Why is Clinical Grade Berberine called a metabolic health supplement?

Clinical Grade Berberine is considered a metabolic health supplement because it supports multiple interconnected areas of metabolic function, including blood sugar, insulin response, cholesterol balance, triglycerides, body composition, and cardiometabolic wellness.
Read More
Metabolic health refers to the body's ability to efficiently process nutrients, regulate blood sugar, respond to insulin, and maintain healthy cardiovascular markers.

Unlike supplements that focus on a single outcome, berberine has been validated across numerous metabolic pathways. Research has evaluated its effects on fasting glucose, post-meal glucose, HbA1c, insulin sensitivity, cholesterol, triglycerides, LDL, body weight, BMI, and waist circumference.

This broad spectrum of activity makes berberine one of the most comprehensive ingredients available for supporting metabolic wellness. Clinical Grade Berberine was specifically formulated around this concept, providing clinically aligned metabolic support in a simple, single-ingredient formula.

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