Lectin Shield Review – A Look At This Gundry MD Supplement

Photo of author

By Juliana Tamayo, MS, Nutritionist

Reviewed by Juliana Tamayo, MS, RDN - Last Updated


One of the hottest segments of the supplement world of late has been digestive, or gut health. That is why we find it important to detail digestive health and discuss good and bad microbes, with a focus on Lectins – the perfect lead-in for our Lectin Shield Review from Gundry MD. 

If you have ever experienced digestive issues, such as gas and bloating, suffer from “leaky gut” syndrome, have low energy, or are overweight and have achy joints, then we think you will enjoy the read. 

Lectin Shield by Gundry MD

About Dr. Steven Gundry 

First, let us introduce the man behind Gundry MD, Dr. Steven Gundry. For more than thirty years, Dr. Gundry was one of the world’s pre-eminent experts in heart surgery. He graduated cum laude from Yale, with special honors in Human Biological and Social Evolution.

Dr. Gundry was an Alpha Omega Alpha graduate of the Medical College of Georgia School of Medicine and did his residency in General Surgery and Thoracic Surgery at the University of Michigan. He and his colleagues performed more infant and pediatric heart transplants than anyone else in the world.

He has operated in more than thirty countries, holds patents for some incredibly complex instruments used in heart surgery, and is the author of several New York Times best-selling books. His published works focus on nutrition and diet, including The Plant Paradox, and Dr. Gundry’s Diet Evolution.



The mission statement of Gundry MD is “To dramatically improve human health, happiness, and longevity through a unique vision of diet and nutrition.” His philosophy, which he refers to as Holobiotics, is based on the belief that true health only happens when you are living in a state of cooperation with the trillions of tiny microbes that live everywhere in, on, and around your body. The key to sustainable health is our beneficial microbes, which he refers to as our “gut buddies.”

To understand Holobiotics, people must know that their entire body is dominated by different kinds of microbes. Some of these microbes are good, while others are bad. Unfortunately, most people choose a diet and lifestyle that kills off their good bacteria and increases the growth and multiplication of harmful microbes. This loss of microbe balance eventually throws off the wellness balance of your whole body.

Holobiotics is the phrase Dr. Gundry created for the diet and lifestyle choices people must make to bring this microbe ratio back into balance to lose weight and improve their health.

Gundry MD markets a variety of food, supplements, skin and hair care products, books, and the subject of this Lectin Shield review. 

In this article, we will take a look at the Lectin Shield product formulation and its key ingredients. We will discuss the product’s features and benefits, and determine if the product is meeting its marketing claims. Finally, we will inform you where you can find the product, review the cost-value relationship, and as always provide you with our rating in terms of effectiveness and value.

The Case for Good Digestive Health 

Your stomach, large intestine, and small intestine are home to some 100 trillion bacteria. Many of these bacteria are responsible for digesting our food, regulating our hormones, eliminating toxins, and producing vital nutrients.  These beneficial bacteria in our gut represent some 80% of our immune cells, which protect us against colds, pathogens, viruses, and other “bugs.” 

If you want to stay healthy, taking care of your gut health is paramount. When your immune system is compromised, you are at an increased risk for autoimmune diseases, colds, cases of flu, allergies, and a myriad of other conditions.

Other bacteria in your digestive tract are not so beneficial, things such as lectins, which are plant-based proteins that harm proper cell function, pathogens, and gut yeasts, which harm healthy digestion and help make you overweight. 

Lectin Shield For Digestive Health

What About Those Lectins?

Lectins are a family of proteins found in almost all foods, especially legumes, grains, beans, soybeans, and nuts. They are considered an “anti-nutrient” because they inhibit the absorption of minerals, and possibly play a role in obesity and chronic inflammation. Some people claim that lectins increase gut permeability and drive autoimmune diseases. 

This family of proteins, which protect plant life in nature, bind to carbohydrates in the human digestion process and interfere with your digestion, energy, and overall health.

Lectin Shield Pill Capsules

Lectin Shield from Gundry MD

Lectin Shield is a dietary supplement in vegetable capsule form. It contains a unique blend of potent compounds that help your body eliminate toxic proteins by blocking lectins and their negative effects on the body.

All Gundry products are manufactured in the U.S. in a cGMP (Certified Good Manufacturing Practices) facility. This is something we look for and recommend in supplements you may be considering. 

What Does Lectin Shield Do?

Lectin Shield, with its nine ingredients, promotes regularity, reduces feelings of gas and bloating, and helps prevent food cravings. The addition of two specific ingredients, MSM and glucosamine, may also help alleviate joint pain. 

Lectin Shield Bottle And Capsules

Lectin Shield Ingredients

Kudos to Gundry for identifying each of the nine ingredients in Lectin Shield on the Supplement Facts label. There are no proprietary blends, and each component indicates its precise dosage.

Surprisingly, there is no mention of what is not included in the product. There are no claims relating to it being vegan, non-GMO, organic, or artificial colorings, sweeteners, or preservatives.

This is ironic, as for their Total Restore product Dr. Gundry states, “Total Restore contains only 100% natural and pure ingredients, it is sugar-free, artificial sweetener-free, lectin-free, soy-free, and dairy-free”. We could find no such comments related to Lectin Shield. That said, the ingredients are all-natural and high quality.

N Acetyl D-Glucosamine (300 mg)

This is a very popular ingredient in joint pain dietary supplements, but it is also known to bind to wheat lectins. Ultimately it can promote intestinal health by allowing you to digest wheat properly, while also preventing joint inflammation that these lectins cause. 

Bladderwrack (200 mg)

The next ingredient is a type of seaweed that binds to dangerous, inflammatory lectins. It can help prevent some types of autoimmune diseases and it is used in restorative medicine. 

D-Mannose (100 mg)

D-Mannose is a natural compound that binds to specific lectins in legumes. These are always eliminated in a lectin-free diet because they contain so many of these proteins. However, with D-Mannose, you can still consume these lectin foods without experiencing a lectin overload. 

Okra (Fruit) (100 mg)

Okra is another compound that binds to harmful lectins. It does so thanks to its raw polysaccharide (RPS) content. It also happens that this ingredient is a good source of polyphenols, which are antioxidants and can stop fatigue.  

Mucin (100 mg)

The sialic acid in mucin binds to multiple types of foods to block lectins from damaging your gut. It also happens to form a protective barrier in the digestive tract creating a healthy gut lining. 

Sodium Alginate (100 mg)

If you want to have better digestion, you can count on sodium alginate to act as a “fecal bulking agent.” It can support intestinal health and prevents weight gain by keeping you regular. 

Vegetable Peptase (50 mg)

This protease enzyme aids in protein digestion and counteracts the digestive effects of lectins. Vegetable peptase is part of many digestive enzymes that promote intestinal health. 

Methylsulfonylmethane (MSM) (50 mg)

Another popular ingredient in joint supplements that works best with acetyl D glucosamine. It acts as a lectin lock that binds to wheat lectins.

Larch Arabinogalactans (50 mg)

This ingredient nourishes the gut lining by promoting the promotion of one of the raw polysaccharides known as butyrate. Taking Lectin Shield with this lectin blocking ingredient can lead to a stronger intestinal lining and fewer infections or inflammation. 

Lectin Shield Ingredients: Final Verdict 

As you can see, Dr. Gundry researched this formula extensively, including ingredients noted for their contributions to gut health and joint pain relief.

He is an expert in diet and nutrition, and says of Lectin Shield, “this is the most significant medical innovation I’ve developed to date.”

If you are looking for a lectin-free diet, try a supplement like this one that can block lectins instead. 


Benefits of Lectin Shield

In addition to the previously mentioned benefits of promoting regularity, reducing gas, bloating, and preventing food cravings, there are several other benefits:

Prevents Leaky Gut Syndrome 

Although Lectin Shield is not designed to work against leaky gut syndrome, it ends up doing so thanks to its ingredients. Oftentimes, lectin foods destroy your gut lining and cause something known as a leaky gut syndrome. This problem can be painful and make things difficult for your day-to-day life, especially if you notice that you are unable to digest foods. 

Forms a Protective Barrier In Your GI Tract

Lectin Shield creates a protective lining on your intestine to block lectins that can harm your body. By preventing harmful lectins from entering your digestive system, your gut health will improve and you will see other health benefits. 

Supports Your Immune System

A lectin-blocking product can help strengthen your immune system by neutralizing harmful proteins. In the process, an autoimmune disease can also be prevented. 

Reduces Appetite 

While taking Lectin Shield is not meant for weight loss, it can definitely help prevent lectin overload, which leads to reduced food absorption and increased hunger. 

Taking Lectin Shield capsules along with a healthy diet can help prevent indigestion and unhealthy cravings. 

Relieves Joint Discomfort

Lectins are known to cause inflammation, especially in the joints. Lectin blockers are a good strategy because they include anti-inflammatory ingredients. Gundry MD Lectin Shield contains sodium alginate, acetyl d-glucosamine, and more ingredients that neutralize cellular damage that leads to inflammation. 

How to Take Lectin Shield

The company recommends you take two capsules, twice a day, with your two largest meals.

Note: Since the standard size of Lectin Shield is 60 capsules, this equates to a 15-day supply at the recommended dosage. 

Lectin Shield Use

Does Lectin Shield Work?

The website is replete with customer Lectin Shield reviews extolling the extraordinary benefits of using this supplement. There were, however, no clinical trials cited, or any other form of verifiable evidence as to the efficacy of the product on the Gundry website. 

Based on the “binding” ingredients, we believe Lectin Shield should be effective in reducing bloating and gas, which are the main benefits cited. If this is your goal, Lectin Shield is absolutely worth a try.

Is Lectin Shield Safe?

As far as we know, there are no Lectin Shield side effects. Since Gundry products are made with natural ingredients, they should be safe.  However, people with shellfish allergies and those sensitive to excess iodine in their diet should not use the product.

The most common issues associated with Lectin Shield are abdominal distress, nausea, and cramps. These are not exclusive to this product. Any product that aims to improve gut health may lead to stomach issues, especially when you first start using it. That said, these side effects are generally mild and will not affect every user.

As with any new dietary supplement, we suggest you consult with your healthcare provider before using this product.  

Where To Buy Lectin Shield 

You can purchase Lectin Shield directly from the official Gundry MD website here. There are multiple sizing and pricing options available, with discounts offered at each level. Below, we will detail the pricing and savings offered for Lectin Shield from Gundry MD.

Lectin Shield Pricing:

If you use the full recommended dosage, each bottle will last for 15 days. The most popular order is a 3-bottle bundle. This offers significant savings and allows customers to try out the product for long enough to determine whether or not it is a good fit.

If you are hesitant, you can start with a single bottle and purchase a multi-pack at a later point.

Lectin ShieldSave up to 50% on Lectin ShieldWe scour the web for the best deals on supplements. Want to save up to 50% on Gundry MD Lectin Shield? Click the button below to get this deal!GET THE DEAL

Every Lectin Shield purchase is backed by a 90-day money-back guarantee, so there is no financial risk in trying the product. Gundry MD has a great reputation for both quality products and great customer service.

Gundry MD Lectin Shield Website

Lectin Shield Review: Final Thoughts 

Overall, we are favorably impressed with Gundry MD and Lectin Shield. They are transparent in their ownership, marketing, labeling, and packaging. Gundry MD uses an independent third-party facility for testing all products and stands behind its product with a 90-day, money-back guarantee. Lectin Shield contains only natural ingredients, all identified on the package, with no proprietary blends. 

Gundry MD is a great company and we have been favorably impressed by all of the products we have reviewed so far. You can purchase Lectin Shield with confidence knowing that it is well-formulated, well-researched, and backed by a money-back guarantee.

More reviews of Gundry MD products:

Overall Rating: