OrthoMolecular SBI Protect – Learn about this powerful gut health supplement.

Ortho Molecular SBI Protect is a dietary supplement containing Serum-Derived Bovine Immunoglobulin (SBI). It is marketed as a product to support gastrointestinal health and immune function. SBI is derived from bovine serum and contains a concentrated source of immunoglobulins, particularly Immunoglobulin G (IgG).

The primary function of SBI Protect is to help strengthen the gut barrier and support a healthy immune response in the gastrointestinal tract. By binding to and neutralizing harmful microbes and toxins in the gut, SBI Protect aims to reduce inflammation, support mucosal immunity, and promote overall gut health.

SBI Protect is often used as a complementary approach in managing various gastrointestinal conditions, such as inflammatory bowel diseases (IBD), irritable bowel syndrome (IBS), leaky gut syndrome, and food intolerances. It may also be used to support general immune function and promote overall wellness.

As with any dietary supplement, it’s essential to consult with your healthcare professional before starting SBI Protect, especially if you have underlying health conditions or are taking medications. Additionally, it’s essential to follow the recommended dosage instructions provided by the manufacturer for optimal results.

Julie Stoddard

MSN, APRN, FNP-C Screenshot

I am a Nurse Practitioner licensed across multiple states, with experience in cardiology, nephrology, and family medicine. My current focus is on primary care, where I advocate for a holistic approach to healthcare, often recommending functional medicine to patients when suitable.

How is SBI Protect ingested?

Serum-derived bovine immunoglobulin (SBI) is available in various formulations, catering to different dietary needs and preferences. Patients can choose between powder supplements and capsule formulations, each designed for easy integration into daily diets. I have not found any liquid SBI products on the market.

SBI Protect Powder

Powdered SBI products offer a convenient option for individuals seeking a flexible solution to add to their diet. Ortho Molecular SBI Protect powder contains more than 90% protein, and a significant proportion is IgG, the most abundant type of antibody in the body. SBI protect powder formulations are designed to be mixed with liquids such as water, juice, or a smoothie, making them an adaptable addition to regular meals or snacks. SBI Protect powder is also free from common allergens like milk, soy, and gluten.

SBI Protect Capsules

For those who prefer other ingestion methods, OrthoMolecular SBI protect capsules are also available. These tend to be convenient for on-the-go consumption and may be preferred by individuals who are not inclined to mix powders. They can be seamlessly incorporated into the daily routine without the need for preparation, ensuring that individuals receive their necessary intake of immunoglobulins without disruption.

SBI Protect is the only purified, dairy-free source of immunoglobulin G (IgG) available as a dietary supplement. Pure IgG helps to maintain a healthy intestinal immune system by binding a broad range of microbes and toxins within the gut lumen.

Source: orthomolecularproducts.com
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SBI Protect Powder Ingredients

The main ingredient of Ortho Molecular SBI Protect powder is serum-derived bovine immunoglobulin, often abbreviated as SBI, is a product that has gained interest in the medical and nutritional fields for its potential benefits in managing various gastrointestinal conditions. Derived from bovine serum, it is a form of immunoglobulin that is rich in IgG, the most abundant type of antibody found in the blood. IgG plays a crucial role in the immune response by identifying and neutralizing pathogens like bacteria and viruses.

Screenshot 2024 02 23 at 4.52.41 PM

The therapeutic use of SBI centers around its proposed ability to support gut health, particularly in cases of enteropathy—a condition characterized by the inflammation and dysfunction of the small intestine. This condition can be associated with numerous disorders, such as HIV infection or irritable bowel syndrome with predominant diarrhea. SBI is believed to act by binding to and neutralizing gut pathogens and toxins, improving gut barrier function, and modifying the gut microbiome. It has also been considered for its potential role in immune modulation beyond gastrointestinal issues.

Key Takeaways

  • Serum-derived bovine immunoglobulin (SBI) is extracted from bovine blood and key in managing gut conditions.
  • SBI operates by neutralizing pathogens and supporting intestinal health, showing promise in clinical settings.
  • Research into SBI continues to unfold, highlighting its safety and potential for various therapeutic applications.

Overview of Serum Derived Bovine Immunoglobulin

Serum-derived bovine immunoglobulin (SBI) is a medical food product composed mainly of immunoglobulins (Ig) extracted from bovine (cow) serum. It is particularly rich in IgG, which comprises more than 50% of its protein content. This product is highly proteinaceous, containing over 90% protein, while being free from substances like milk, soy, and gluten.

The primary application of SBI is for the dietary management of chronic diarrhea and loose stools. It serves as an oral supplement and functions by providing immunoglobulin support to the gastrointestinal tract, which may improve its barrier function.

Research suggests that SBI has the potential to improve weight gain and reduce the severity of enteropathy in animals, and it may have similar effects in humans. For instance, the administration of SBI in humans has shown improvement in symptom scores for patients dealing with conditions such as irritable bowel syndrome with diarrhea (IBS-D) and inflammatory bowel disease (IBD).

SBI works by binding to various gastrointestinal pathogens and toxins, which are then eliminated from the body. This process supports the restoration and maintenance of a healthy gut barrier, which is crucial for proper nutrient absorption and immune function.

The use of SBI is intended to be under medical supervision, primarily because it is designed to manage specific medical conditions and is classified as a medical food product.

To learn more about the product derived from bovine serum and its use in managing gastrointestinal conditions, please refer to the information provided by National Center for Biotechnology Information.

Biochemical Composition of Bovine Immunoglobulin

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Serum derived bovine immunoglobulin primarily consists of proteins, with Immunoglobulin G (IgG) being the most significant component, serving crucial roles in immune function.

Immunoglobulin G (IgG) Structure

Immunoglobulin G (IgG) molecules are Y-shaped, consisting of two heavy chains and two light chains linked by disulfide bonds. Each IgG has a specific region for antigen binding, known as the Fab region, and a constant region, denoted as Fc, which mediates immune cell interactions. The structure of IgG from bovine serum confers the ability to recognize and bind pathogens, flagging them for other components of the immune system to attack.

Important Constituents and their Functions

Bovine IgG: This immunoglobulin subclass makes up over 50% of the protein content in bovine immunoglobulin supplements, providing support for immune responses and gastrointestinal health.

  • Essential Proteins: Aside from IgG, the formulation includes various other proteins, which support cellular repair and immune functions.
  • Lactoferrin: Exhibits antimicrobial properties and contributes to immune regulation.
  • Growth Factors: These proteins aid in maintaining gut lining integrity and promoting repair.

The functions of these constituents are not only pivotal for innate defense mechanisms but also for modulating the body’s adaptive immunity.

Extraction and Processing Methods

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The production of serum derived bovine immunoglobulin (SBI) involves meticulous techniques for collecting serum and purifying the immunoglobulins to ensure the final product’s quality and efficacy.

Serum Collection Techniques

Serum is obtained from bovine blood through a process that ensures the humane treatment of animals. Initially, blood is collected in a controlled environment, following which it undergoes coagulation and centrifugation. Centrifugation is a critical step as it separates the serum from the clotted blood, resulting in a clear, yellowish fluid that contains the immunoglobulins.

Purification Processes

Once the serum is collected, it must be purified to isolate the immunoglobulins. Chromatography techniques play an essential role in this purification process. Through methods such as ion exchange chromatography and size-exclusion chromatography, specific proteins like immunoglobulins are selectively separated based on their charge and size. The goal is to achieve a product that is ≥90% pure protein, with significant quantities of essential amino acids. This high level of purity is crucial for the therapeutic efficacy of SBI.

Clinical Applications

Serum-derived bovine immunoglobulin (SBI) has emerged as a therapeutic product with potential benefits in various clinical scenarios, particularly in promoting gastrointestinal health and offering nutritional support.

Gastrointestinal Health

Research indicates that SBI can play a role in improving symptoms and managing conditions related to the gastrointestinal tract. For instance, studies suggest that SBI helps maintain gut barrier function, which may be beneficial for individuals with conditions like inflammatory bowel disease (IBD). SBI is thought to bind microbial components, which could help normalize gut immune function.

Nutritional Support Therapy

Further, SBI has been evaluated for its efficacy in providing nutritional support. For patients with conditions leading to insufficient nutrient absorption or gastrointestinal disease-related weight loss, SBI might improve nutritional status and support overall health. It has been shown to be safe and potentially improve various biomarkers associated with enteropathy in patients with HIV infection or diarrhea-predominant irritable bowel syndrome.

Mechanisms of Action

Serum-derived bovine immunoglobulin (SBI) has been shown to promote gastrointestinal health through two main mechanisms: modulation of the immune system and support of the intestinal barrier.

Immune System Modulation

SBI contains concentrated levels of immunoglobulins which are critical in maintaining gut immune function. These immunoglobulins can bind to a wide range of pathogens and toxins, thereby neutralizing their harmful effects. Specifically, the immunoglobulins present in SBI such as IgG, IgA, and IgM play a significant role in this process. By binding to pathogens, SBI helps to prevent the gut from responding with an overactive immune reaction, which can be detrimental to gut health.

Intestinal Barrier Support

The integrity of the intestinal barrier is vital for overall health, as it helps to prevent the entry of harmful substances into the bloodstream. SBI provides support to the intestinal barrier by supplying growth factors that may aid in the repair and maintenance of gut lining cells. Moreover, SBI contributes to the mucosal barrier by promoting the production of mucins, which are proteins that enhance the protective mucous layer lining the intestine.

Safety Profile and Regulatory Status

Serum-derived bovine immunoglobulin (SBI) generally has a robust safety profile marked by its application in managing various gastrointestinal disorders. The regulatory framework governing its use demonstrates significant compliance with health and safety standards.

Safety Considerations

Clinical studies indicate that SBI is safe for human consumption. These studies have evaluated the effects of SBI and have reported no significant adverse effects. For example, research has measured the plasma amino acid response and presence of bovine immunoglobulin G (IgG) in stool and blood following SBI administration in healthy volunteers, suggesting SBI’s safety and tolerability. In efforts to assess safety, these studies look for indicators such as the absence of bovine immunoglobulin G in stool or blood, which could signal that no immunoglobulin transfer has occurred, representing a safety benchmark for SBI products.

Regulatory Framework

SBI falls under the category of “medical foods” in the United States and has to comply with specific regulatory standards to maintain this status. Medical foods are formulated to be consumed or administered under the supervision of a physician and intended for the specific dietary management of a disease or condition. The Food and Drug Administration (FDA) categorizes SBI as a medical food—a designation that requires manufacturing practices to ensure safety and quality. Compliance is critical for continued market access and consumer safety.

Research and Clinical Studies

Serum-derived bovine immunoglobulin (SBI) has garnered interest in various human and veterinary clinical applications due to its potential health benefits. Extensive research has elucidated its role in supporting immune function and managing gastrointestinal issues.

Human Trials

In human trials, SBI has shown promising effects on enhancing immune function and alleviating symptoms associated with gastrointestinal disorders. For instance, patients with enteropathy have experienced improvements from consuming SBI, suggesting that it plays a role in restoring gut health and function. A study outlined its mechanism of action, highlighting its ability to bind microbial components which may contribute to normalized gut immune responses and barrier functions.

Gut HealthImproved SymptomsLinked with SBI consumption.
Immune FunctionEnhanced Protective EffectsInvestigation of the role of SBI in immune support.

Veterinary Applications

In veterinary medicine, SBI has been utilized to enhance the health of animals, particularly for livestock. Research underscores its effectiveness in supporting the immune system of nonimmunized animals, which is crucial for livestock productivity and health. The administration of SBI has been affirmed by studies as being just as effective when sourced from both vaccinated and non-vaccinated cows.

  • Use in Livestock: Promotes health and disease resistance.
  • Sources of SBI: Derived from serum, colostrum, or milk.

Market Analysis and Trends

The market for serum-derived bovine immunoglobulin (SBI) has been identified to showcase a rising trend in recent years. It is primarily due to the substance’s effectiveness in managing gastrointestinal conditions, such as chronic diarrhea associated with conditions like Inflammatory Bowel Disease (IBD). Research indicates potential economic and clinical benefits with SBI utilization, which is contributing to growing interest from the healthcare sector.

SBI is highly regarded for its nutritional content, being approximately 92% protein, and substantial concentration of IgG antibodies. Its gluten, milk, and soy-free composition also makes it a suitable option for individuals with dietary sensitivities. This factor expands its market reach to those requiring specialized nutrition solutions.

In financial terms, studies highlight SBI’s use as a cost-saving intervention for health plans. A budget impact analysis illustrated annual net savings notably for insurers and significant cost-effectiveness in the management of chronic gastrointestinal diseases.

  • Key Drivers:
    • Increased prevalence of gastrointestinal disorders.
    • Expanding research supporting clinical benefits.
    • Growing adoption in dietary sensitive populations.
  • Market Restraints:
    • Availability of alternative therapies.
    • Regulatory hurdles.

From a regional perspective, North America and Europe have been active in both the production and consumption of SBI products. They maintain rigorous health standards, which encourages confidence in SBI’s safety and efficacy. Market players continue to invest in clinical trials and consumer education to fortify market position and cater to the increasing global demand.

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Challenges and Future Perspectives

In the realm of enteropathic therapy, serum-derived bovine immunoglobulin (SBI) has shown promise; however, challenges remain. One of the primary concerns is the scale of production, as the demand for high-quality SBI requires efficient extraction methods from bovine serum. Achieving consistency in product quality can be difficult, considering the variable nature of biological sources.

Cost presents another significant challenge. The process of isolating and purifying immunoglobulins from bovine serum is complex. Ensuring affordability without compromising quality or efficacy is essential for broader accessibility and acceptance.

The table below summarizes key challenges:

ChallengeDescription
Production ScaleIncreasing extraction efficiency and maintaining consistency
CostBalancing affordability with high production standards
Regulatory HurdlesMeeting global regulatory standards for safety and efficacy

Researchers are also focused on future perspectives in the use of SBI. Studies aim to better understand the mechanism through which SBI aids in managing enteropathy. There’s ongoing research exploring its effects on gut microbiota composition, which suggests potential for the development of tailored therapies for individuals with specific gastrointestinal disorders.

Looking ahead, the integration of technology in the manufacturing process may yield advancements. With innovations such as precision fermentation and enhanced purification techniques, the production of SBI could become more efficient.

Finally, addressing the regulatory hurdles across different regions is crucial. As with any product derived from animals, ensuring safety and compliance with international guidelines is vital for its acceptance in the global market. This plays a pivotal role in the potential expansion of SBI therapeutic applications, especially as ongoing research provides more evidence regarding its benefits and uses.

Frequently Asked Questions About SBI Protect

Serum-derived bovine immunoglobulin (SBI) supplements are being explored for their therapeutic potential in managing various gastrointestinal conditions. Here are some common questions regarding its benefits, usage, and effects.

How much SBI should I take each day?

If taking SBI capsules or pills, the recommended amount is 4 capsules per day or as recommended by your health care professional.

What are the potential benefits of taking OrthoMolecular SBI Protect as a supplement?

Serum-derived bovine immunoglobulin supplements may support gastrointestinal health by enhancing immune function and maintaining gut barrier integrity. Individuals with conditions that affect gut immunity could potentially benefit from SBI’s modulating effects.

What are common side effects experienced by individuals taking serum-derived bovine immunoglobulin?

Most individuals tolerate SBI well, but some may experience mild side effects such as nausea, bloating, or an increase in liver enzymes. Clinical trials and medical food product documentation offer insight into the safety profile of SBI.

What is SBI Protect Powder used for?

SIBO and SBI Protect Powder

SIBO, or Small Intestinal Bacterial Overgrowth, is a condition characterized by an abnormal increase in the population of bacteria in the small intestine. This overgrowth can lead to various gastrointestinal symptoms such as bloating, abdominal pain, diarrhea, and malabsorption of nutrients. Serum-derived bovine immunoglobulin (SBI) can potentially help with SIBO management by several mechanisms. Firstly, SBI contains concentrated immunoglobulins, particularly Immunoglobulin G (IgG), which can help strengthen the gut barrier and reduce bacterial translocation from the intestines into the bloodstream. Additionally, SBI may modulate the immune response in the gut, helping to address inflammation associated with SIBO. Furthermore, by binding to and neutralizing toxins and harmful substances in the gut, SBI may help reduce symptoms and promote overall gastrointestinal health. However, while SBI shows promise as a supportive therapy for SIBO, further research is needed to fully understand its effectiveness in this context. It’s important to consult with a healthcare professional for personalized advice and treatment options for SIBO.

Leaky Gut and Ortho Molecular SBI Protect


Leaky gut, or increased intestinal permeability, occurs when the intestinal lining becomes porous, allowing harmful substances to leak into the bloodstream. Serum-derived bovine immunoglobulin (SBI) offers assistance by strengthening the gut barrier through its concentrated immunoglobulins, particularly Immunoglobulin G (IgG). By binding to and neutralizing toxins and bacteria in the gut, SBI helps reduce inflammation, promote gut healing, and modulate the immune response. Furthermore, SBI supports a balanced gut microbiota by reducing harmful microbe numbers. This multifaceted approach makes SBI a valuable aid in managing leaky gut and related gastrointestinal issues, though it’s crucial to consult with a healthcare professional for proper usage guidance.

Constipation and SBI Protect


Constipation is a common digestive issue characterized by infrequent bowel movements, difficulty passing stool, or the passage of hard, dry stool. It can be caused by various factors, including diet low in fiber, inadequate fluid intake, lack of physical activity, certain medications, and medical conditions such as irritable bowel syndrome (IBS) or hypothyroidism.

Serum-derived bovine immunoglobulin (SBI) may potentially help with constipation through several mechanisms. Firstly, SBI Protect contains concentrated immunoglobulins, particularly Immunoglobulin G (IgG), which can help modulate the immune response in the gut and reduce inflammation associated with gastrointestinal issues. Inflammation can disrupt normal gut motility and contribute to constipation.

Secondly, SBI may support gut health by strengthening the gut barrier and reducing intestinal permeability (leaky gut). By promoting gut barrier integrity, SBI helps prevent the leakage of harmful substances into the bloodstream, which can contribute to systemic inflammation and gastrointestinal symptoms, including constipation.

Lastly, SBI Protect Powder may indirectly support regular bowel movements by promoting a balanced gut microbiota. Dysbiosis, or an imbalance in gut bacteria, has been linked to various digestive issues, including constipation. By binding to and neutralizing harmful microbes and toxins in the gut, SBI helps maintain a healthy balance of gut bacteria, which may contribute to improved bowel regularity.

SBI Protect for Candida


Candida is a type of yeast that normally resides in the human body. However, under certain conditions, it can overgrow and cause infections known as candidiasis. This can manifest as oral thrush, vaginal yeast infections, or invasive candidiasis, which affects internal organs. Factors such as weakened immune systems, antibiotic use, and hormonal changes can contribute to candida overgrowth. Treatment typically involves antifungal medications, dietary changes, and lifestyle modifications. Consulting with a healthcare professional is important for proper diagnosis and treatment.

Autoimmune and SBI Protect


Autoimmune diseases involve the immune system mistakenly attacking healthy cells and tissues, leading to inflammation and damage. Serum-derived bovine immunoglobulin (SBI) may help by modulating the immune response and reducing inflammation. SBI’s concentrated immunoglobulins, particularly Immunoglobulin G (IgG), promote gut barrier integrity, preventing harmful substances from entering the bloodstream and triggering immune system activation. Additionally, SBI supports a healthy balance of gut bacteria, which can help regulate immune responses and reduce inflammation associated with autoimmune diseases. While SBI shows promise as a supportive therapy, treatment for autoimmune diseases typically requires a multidisciplinary approach, including medication, dietary changes, lifestyle modifications, and medical monitoring. Consulting with a healthcare professional is essential for personalized advice and treatment.

Ulcerative Colitis and SBI Protect from Ortho Molecular


Ulcerative colitis is a chronic inflammatory bowel disease characterized by inflammation and ulcers in the colon and rectum, leading to symptoms like abdominal pain, bloody diarrhea, and weight loss. Serum-derived bovine immunoglobulin (SBI) may help by modulating the immune response and reducing inflammation in the gut. Its concentrated immunoglobulins, particularly Immunoglobulin G (IgG), promote gut barrier integrity and prevent the leakage of harmful substances into the bloodstream, which can trigger inflammation. Additionally, SBI may support a healthy balance of gut bacteria, which is crucial for reducing inflammation associated with ulcerative colitis. While SBI shows promise as a supportive therapy, treatment typically involves medications, dietary changes, lifestyle modifications, and medical supervision. Consulting with a healthcare professional is essential for personalized advice and treatment.

Can I take SBI Protect while pregnant or nursing?

While SBI may be safe for some pregnant or nursing women, it’s essential to prioritize the health and well-being of both you and your baby by seeking guidance from a qualified healthcare professional before starting any new supplement regimen during pregnancy.

Can SBI Protect cause constipation?

While not a common side effect, SBI may result in constipation in some people.

Can SBI Protect cause diarrhea ?

While not a common side effect, SBI may result in diarrhea  in some people.

Is SBI Protect from Orthomolecular dairy free?

Yes, it is the only SBI product on the market currently that is dairy free.