Vitamin C, D, or B12 – Which is best?

Pop quiz time!

When it comes to supporting a healthy immune response, which of the following is most important:

Vitamin C, E, or B12?

The answer is… None of the above.

See, while all three of these are important nutrients… 

They are NOT the true building blocks of immunity. 

Sure, vitamin C is a potent antioxidant…

And E helps to stop the damage caused by harmful substances…

And B12 is key in making sure your red blood cells are healthy and ready to go…

But at the end of the day, these vitamins are all just elements that play a supporting role.

Antibodies are the real superstars of your immune system. 

You’ve probably heard of white blood cells – The soldiers who rush to the site of an intruder alert.

The reason white blood cells are so powerful is because they produce your biggest, baddest immune weapons: antibodies.

There are five different types of antibodies - IgG, IgM, IgA, IgD, and IgE.

Each one has its own function... 

But for long term immunity, the most important one is IgG because... 

IgG makes up 80% of your total antibody power.

Whenever IgG detects something foreign, it “tags” it and adds it to your immune systems’ memory bank… 

That way, the next time your body encounters the same germ, it can move quickly to neutralize it. 

However, sometimes your immune system gets overwhelmed by stress, lack of sleep, or poor dietary choices…

And your body can't produce enough IgG to keep up with demand.

That’s why Just Thrive created Ultimate IgG.

To naturally restock your body with additional IgG antibody troops. 

For you that means more antibody power where and when you need it most.

>> Go Here And Learn More About IgG Today 

By the way...

Numerous clinical studies show that Ultimate IgG’s antibodies provide “significant benefit to the immune system.”

If you want to give your immunity above-and-beyond support, tap HERE to try Ultimate IgG RISK FREE with the 100% money back guarantee.

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Just Thrive Ultimate IgG

Just Thrive  Ultimate IgG

Antibody power for total immune support

93 total reviews

Regular price $69.99
Regular price $74.99 Sale price $69.99
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About Product

Antibodies (aka, “immunoglobulins”) are your immune system’s first responders. When something bad pops up on the radar, they’re deployed to neutralize any unwanted guests. To stay healthy, your body needs lots of first responders – Especially Immunoglobulin G (IgG) which makes up almost 80% of your total immune fighting force. However, in times of high stress, your production of IgG can dwindle, leaving you vulnerable. Nobody wants that – Especially these days! That’s why we created Just Thrive Ultimate IgG. The easy-to-take capsules work to rapidly support your body’s IgG levels, meaning more immunoglobulin first responders where and when you need them most!


Learn about each ingredient

How To Take

DIRECTIONS: Ages 8+ take 1 capsule daily for a minimum of 4 weeks, then as needed or as recommended by a healthcare practitioner.

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Just Thrive is passionate about good health, and we ensure the integrity and quality of our products. That's why we're proud to stand behind every sale with a 100% customer satisfaction "Bottom-of-the-Bottle" Guarantee:

If you're not 100% satisfied with your purchase of any Just Thrive product from, return it to us for a full refund* – even if the bottle is empty!

Please ensure you use the Return Portal to receive a refund.

*Excludes shipping. Applies to a maximum of two bottles purchased directly.

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Customer Reviews

Based on 93 reviews
John Gigl
NPS score:
0 (Not at all likely)
10 (Extremely likely)
Improvements: Help us out with bigger sales, promos etc.
It works

This is a great profuct for helping the immune system function properly.

I hope it helps you too. 🙏🏻


NPS score:
0 (Not at all likely)
10 (Extremely likely)
Improvements: Pricing
Great GI relief

I've tried a myriad of different diets, probiotics, and supplements. Ultimate IGG dramatically calmed down my GI system and over last two months there is a substantial improvement in sense of well being and function!

Rosa Aceves
NPS score:
0 (Not at all likely)
10 (Extremely likely)
Likes: Easy to navigate the website
Improvements: Would like more gummy options like the probiotics for other products
Ultimate IgG

Started taking it for around one month and I see a real difference in my energy. Would highly recommend.

Christine K
NPS score:
0 (Not at all likely)
10 (Extremely likely)
Likes: It did the job.
Improvements: Can't think of anything right now.
It's helped me out a lot taken with the probiotic

I started to take this again because I was having some issues. Plus, I had to be on antibiotics for ten days so I needed this to help combat the negative affects on my gut along with taking the probiotic. Works great to restore balance.

Sandra Trafalis
NPS score:
0 (Not at all likely)
10 (Extremely likely)
Likes: Feel better with it!
Really helps

This is an outstanding product that helped me with my immunity issues