The
Knowledge Center
Answers backed by research and vetted by our science council.
Ask me anything about cardiovascular health
Start here:
Cardiovascular Health 101
Your heart pumps
2,000 gallons
through
100,000 beats
through
60,000 miles
of blood vessels to fuel
36 trillion cells
The science behind
our formulas
Setting the standard for
science-driven results.
Clinically researched ingredients or formulas power our products.
See the power of our
products at work
MEET THE LEADING EXPERTS
Expert voices—proven science.
12+
Founded out of a research program at The University of Texas and over 12 years of research & science.
8
Real peer-reviewed clinical trials in scientific journals.
6000+
Used by over 6,000 medical practitioners + professionals, nationwide. ⁴
2000+
Trusted by over 2,000 pro + collegiate sports teams.
Articles and guides:
dive deeper
How often do I use D3.K2 Complex?
A direct answer to: How Often Do I Use D3 K2 Complex.
How many Vitamin D3 Chews can I consume per day?
A direct answer to: How Many D3 + K2 Vitamin Chews Can I Consume per Day.
What source is your Vitamin D3 derived from?
A direct answer to: What Source Is Our Vitamin D3 Derived from.
What is the difference between Vitamin D2 and Vitamin D3?
A direct answer to: What Is the Difference Between Vitamin D2 and Vitamin D3.
Do I need Vitamin D if I am outdoors frequently?
A direct answer to: Do I Need Vitamin D If I Am Outdoors Frequently.
I'm already taking a multivitamin. Can I take too many B vitamins?
A direct answer to: I'm Already Taking A Multivitamin. Can I Take Too Many B Vitamins?
Why are there only 4 B vitamins in Active B-Complex?
A direct answer to: Why Are There Only 4 B Vitamins in Active B Complex.
Is Active B-Complex vegan?
A direct answer to: Is Active B Complex Vegan.
How do I take Active B-Complex?
A direct answer to: How Do I Take Active B Complex.
What does HeartGreens do for me?
A direct answer to: What Does HeartGreens® Do for Me.
Is HeartGreens vegan, gluten-free, soy-free, and dairy-free?
A direct answer to: Is HeartGreens® Vegan Gluten Free Soy Free and Dairy Free.
Do you use any non-organic ingredients in HeartGreens?
A direct answer to: Do You Use Any Non Organic Ingredients in This Formula.
Founded in partnership with
The University of Texas