Read our CircO2 reviews to find out about this supplement, what it does, the company behind it, ingredients, and what customers think about it.

Nitric oxide is a natural vasodilator that plays many important roles in our health, including our immune system and circulation. With CircO2, you can promote nitric oxide production and help maintain healthy levels as you age. The following is an overview of CircO2, its company, and what customers have to say.

Product Overview

CircO2 ReviewsCircO2 is made by Advanced Bionutritionals, a company that makes cutting-edge nutraceuticals. In fact, they work closely with their suppliers and manufacturers to make sure they produce high-quality products. 

They also follow good manufacturing practice guidelines. Advanced Bionutritionals has a highly-qualified team that’s always researching the best ingredients. As a result, they can ensure safe and effective health solutions.

CircO2 is their nitric oxide supplement, which helps support healthy nitric oxide production in the body. Nitric oxide (NO) is a naturally-produced molecule that affects the health of your body.

It works as a signaling molecule between cells and plays a critical part in promoting healthy blood circulation. Furthermore, recent studies suggest that NO plays an important role in promoting a healthy immune system.

NO is so vitally important to our health that the scientists behind its discovery won the Nobel Prize for it. However, factors like age can affect your nitric oxide levels. Fortunately, supplements like CircO2 help make up the difference.

Product Details

Each CircO2 package contains 30 lozenges, with the serving size being one lozenge. Its ingredients include vitamin C (as magnesium ascorbate and ascorbic acid), vitamin B12 (as methylcobalamin and cyanocobalamin), and a proprietary nitric oxide blend.

The proprietary blend includes beetroot powder, hawthorn berry extract, l-citrulline, and sodium nitrite. Other ingredients include mannitol, modified cellulose, xylitol, natural flavors, magnesium vegetable stearate, stevia, silica, and natural carmine color.

As for customers reviews, Russel P. from San Diego, CA, says the following: “I’ve been using this product for over 2 years now and I highly recommend it I have more energy and my blood pressure has gone down it tastes great too.” Another customer, Thomas C. from Grantham, PA, says that “after a few days, things were perking up a bit. I like the effect.”

Other Supplements

L-arginine PlusAt Best Heart Health Supplements, we provide multiple reviews on a variety of supplements. We do this so that readers can compare different supplements and choose the best for their own needs.

In other words, if you want to compare CircO2 to another supplement, look through our reviews and find another NO supplement like L-arginine Plus. This supplement contains l-arginine and l-citrulline, which are two effective ingredients in promoting nitric oxide production. To learn more about this supplement and find out if it fits your needs, read our L-arginine Plus reviews.