In This Review
Overview
A lot of people struggle with stomach issues and a weak immune system without knowing what’s causing it. Bloating, gas, and irregular digestion can make everyday life uncomfortable. And poor eating habits, stress, and harmful toxins can throw off the balance of good bacteria in the gut, leading to even more problems.
When the gut isn’t working well, the body can struggle to absorb nutrients, fight off sickness, and stay energized. And this is where using supplements that can improve the gut health and strengthen your immunity becomes important.
But with so many products claiming to help, it can be hard to know what works. Some supplements claim to be able to help with digestion, remove toxins from the body, and keep the gut strong. And one of these supplements is Microbiome Labs Mega IgG2000.
But can Microbiome Labs Mega IgG2000 truly do all these?
This review will show you what Microbiome Labs Mega IgG2000 offers, reveal what’s inside it, and let you know whether there are any downsides to it. Once you’re done reading, you’ll know whether this product is right for you.
Let’s start!
What is Microbiome Labs Mega IgG2000?
Microbiome Labs Mega IgG2000 is a supplement made to help with gut health, immune support, and toxin removal. It comes in capsules and is dairy-free, making it suitable for people who can’t have milk products.
Instead of using milk-based ingredients, it’s made from bovine serum, a source of unique proteins called immunoglobulins. These proteins are said to help keep the gut strong and healthy.
This supplement is suggested for people who want better digestion, a stronger immune system, or support for their gut. While it sounds like it could help with these issues, examining what it does closely is essential. In this review, we’ll explore it more and see if it might be a good option for you.
How Does Microbiome Labs Mega IgG2000 Rate According to Our Experts?

Brand Highlights
- Founded in 2014.
- Products are manufactured in the USA.
- States that their ingredients are backed by published clinical studies.
Key Ingredients
- Serum-Derived Immunoglobulin Concentrate (Immunolin®)
- Immunoglobulin G (IgG)
Pros
- Dairy-free and allergen-friendly formulation.
- 45-day money-back guarantee for customer satisfaction.
- May be suitable for children 8+.
Cons
- Taking four capsules daily may be inconvenient for some users.
- Effectiveness may vary and is not guaranteed.
- Requires a practitioner account for direct purchases.
- Limited availability outside professional channels.
- Claims lack strong evidence for certain benefits.
- Higher price point compared to similar products.
About the Brand
Microbiome Labs makes Mega IgG2000. The company focuses on supplements for gut health and immune support. Its dairy-free, casein-free, and lactose-free products suit those with dietary restrictions.
Microbiome Labs manufactures its products in the USA and promotes them as professional-grade. Therefore, a practitioner account is needed for direct purchases, which might make it harder for regular buyers to access.
While the company highlights clinical research to support its products, not all claims have strong evidence. However, its 45-day money-back guarantee offers some level of confidence to buyers.
How Does Microbiome Labs Mega IgG2000 Work?
Microbiome Labs Mega IgG2000 is designed to support gut health using bovine serum immunoglobulins, which help strengthen the gut barrier and regulate the immune system. These immunoglobulins are said to bind to harmful substances like toxins and inflammatory antigens, reducing their impact on the body. This process may improve gut balance and promote better digestion.
Studies in the company’s product research indicate that immunoglobulins in Microbiome Labs Mega IgG2000 do not harm beneficial gut bacteria, which helps maintain gut health. They also highlight how these immunoglobulins bind to inflammatory substances, potentially reducing gut inflammation and improving comfort. According to the manufacturer, the product includes ingredients backed by over 10 human clinical trials.
Research, such as one published in Seminars in Immunology, shows that immunoglobulins are important for protecting against bacterial and fungal pathogens and their toxins.
However, it’s important to note that these claims are not approved or supported by the FDA.
Microbiome Labs Mega IgG2000 Ingredients – Are They Safe & Effective?
Serum-Derived Immunoglobulin Concentrate (Immunolin®)
This is the primary ingredient in Microbiome Labs Mega IgG2000, containing a rich source of immunoglobulins (antibodies). These proteins bind to harmful substances like bacteria and toxins in the gut, supporting gut health and reducing inflammation.
A study published in Frontiers in Immunology highlights the role of serum-derived immunoglobulins in supporting gut barrier integrity and immune balance. However, this research was done on fish.
Researcher Qingjiang Mu of Huazhong Agricultural University and other researchers mention in their paper that Immunoglobulin (Ig) M is an essential immune effector that protects organisms from various pathogens.
Immunoglobulin G (IgG)
A key component of the serum concentrate, IgG plays a vital role in neutralizing toxins and supporting immune health. Research published in Cell Host & Microbe has shown that IgG can bind to specific antigens, helping to prevent immune overactivation and promoting gut homeostasis.
Other listed ingredients, such as microcrystalline cellulose and vegetable capsules, are non-active components for stability and delivery with no direct health benefits.
How to Use Microbiome Labs Mega IgG2000
- Take four capsules each day.
- You can take them with or without food.
- Drink plenty of water while using this product.
- Safe for ages eight and older (for children two and up, consult a healthcare practitioner before use).
Do not use this product if you are allergic to beef since it’s bovine-based. Also, be sure to follow the advice of a healthcare practitioner.
Benefits of Microbiome Labs Mega IgG2000
Microbiome Labs claims Microbiome Labs Mega IgG2000 provides these benefits:
- Supports Gut Health: Helps strengthen the gut barrier and improve digestive balance by addressing harmful substances in the digestive system.
- Immune Support: Contains immunoglobulins that may assist the body’s natural defenses, promoting a balanced immune response.
- Detoxification: This binds and neutralizes toxins in the gut, helping the body maintain a healthier internal environment.
Side Effects of Microbiome Labs Mega IgG2000
Microbiome Labs Mega IgG2000 is generally safe for most people, but minor side effects could occur. These may include:
- Mild stomach discomfort as the body adjusts.
- Occasional bloating or gas.
- Nausea if taken without food in sensitive individuals.
Safety
Microbiome Labs Mega IgG2000 is generally safe for most people when taken as directed. It is dairy-free and allergen-friendly, making it suitable for individuals with lactose or casein sensitivities.
The product is recommended for ages two and older, but children, pregnant or nursing women and those with medical conditions should consult a healthcare practitioner before use. People with beef allergies should avoid this supplement, which contains bovine-derived ingredients.
Microbiome Labs Mega IgG2000 Price
Microbiome Labs Mega IgG2000 is priced on Amazon as follows:
- Single Bottle: $71 for 120 capsules (approximately $0.59 per capsule).
There’s also a subscribe and save option. This can save you 5% to 10% of the cost. As a first-time buyer, you’ll get 5%. The price then becomes:
- Single Bottle: $67.45 for 120 capsules (approximately $0.56 per capsule).
While the product is in stock and available for delivery, the cost may be high. Additionally, the daily dosage of four capsules may require frequent purchases, increasing long-term use expenses. Remember, products purchased from Amazon will not be eligible for the money-back guarantee.
You can purchase this product directly from the official website, or find it on Amazon and Walmart.
Microbiome Labs Mega IgG2000 Review – FAQs
Q: What is Microbiome Labs Mega IgG2000 used for?
A: Microbiome Labs Mega IgG2000 is marketed as a supplement to support gut health, immune function, and detoxification. It contains bovine serum-derived immunoglobulins that claim to help bind toxins in the gut, promote a healthy gut barrier, and maintain a balanced immune system.
Q: Is Microbiome Labs Mega IgG2000 safe for everyone?
A: Microbiome Labs Mega IgG2000 is generally safe for most people aged two and older. However, it is not recommended for individuals allergic to beef, pregnant or nursing women, or those with specific medical conditions without consulting a healthcare provider. Following the recommended dosage reduces the risk of side effects.
Q: How should I take Microbiome Labs Mega IgG2000?
A: The recommended dosage is four capsules daily, with or without food. For optimal results, drink plenty of water and follow your healthcare provider’s advice. The capsules are easy to swallow and should be stored in a cool, dry place.
Q: Are there any side effects?
A: Some users may experience minor side effects, such as bloating, stomach discomfort, or nausea, especially when on an empty stomach. These effects are usually mild and temporary. Consult a healthcare practitioner if side effects persist or worsen.
Q: Can children use Microbiome Labs Mega IgG2000?
A: Yes, it is safe for children aged eight and older when used under the guidance of a healthcare provider. For children under 8 years old, consulting a healthcare practitioner before use is strongly recommended.
Q: Does it have a money-back guarantee?
A: Yes, Microbiome Labs Mega IgG2000 offers a 45-day money-back guarantee. If unsatisfied with the product, you can return it within the specified period for a refund. This policy reassures buyers to try the product for the first time.
What Do the Microbiome Labs Mega IgG2000 Reviews Say?
Here are some reviews from real users who tried the product and thought to share their experience:
An Amazon Customer rated it 5.0 out of 5 stars. They said, This supplement is a game changer for individuals with weakened immune systems looking to build up stronger immunity…..especially in this season of viruses and variants.
Peter Jaworski rated the product 3.0 out of 5 stars because he saw no improvement. In his words, No improvement of gut symptoms after taking. Wonder if it actually does anything significant whatsoever.
BJ rated the product 1.0 out of 5 stars. They said, This worked well for a while. Then I started getting rapid heartbeats and upper stomach pain, which I found were listed side effects.
Lynne gave the product 1.0 out of 5 stars. They said, Upset my gut and gave me wicked diarrhea. If you like “urinating” from two orifices, this is the product for you.
While some people swear by this product, many others have seen no significant improvement after using the product. Also, lots of people complained about experiencing the side effects of the product.
Microbiome Labs Mega IgG2000 Review – Conclusion
Microbiome Labs Mega IgG2000 claims to support gut health, immune function, and detoxification, but based on mixed customer reviews, its effectiveness is questionable.
Many users reported side effects, such as stomach discomfort and dissatisfaction with the product’s results. The price is also high, and the daily dosage of four capsules might be inconvenient for some.
Considering these factors, it may be worth exploring other products with better reviews and stronger evidence for their claims. While the 45-day money-back guarantee provides some reassurance, it doesn’t address its reliability or effectiveness concerns.
Below are some of the best Immune System Supplements on the market today, in our opinion.
Verdict on Claimed Benefits: Below is our summary of the available evidence for the claimed benefits of below mentioned Immune System Supplements based on the available research:

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