Research. Clarity. Everyday routines.
Gut health, with people and purpose behind it.
ARK Health USA brings ARK Fusion's approach to U.S. customers: thoughtfully explained supplements, practical guidance and a clearer way to choose.
Rooted in nutrition, microbiome research and digestive-health practice.
A dedicated U.S. storeFive core formulas, priced in U.S. dollars and stocked with our U.S. fulfillment partner.
Our purpose
Make the choice easier to understand.
Choosing a supplement should start with useful information. What does it contain? How do the formulas differ? Which format fits your day?
ARK exists to help answer those questions. We bring together the research background of our team and the practical questions people ask about their daily routines, so you can explore the range with more context and confidence.
Research informed
We look to published ingredient research and explain its limits. Evidence about an ingredient is not the same as a clinical trial of a finished ARK product.
Clearly explained
Ingredients, serving directions and product formats should be easy to compare. Our product pages and guides help you see the differences.
Built around real life
Capsules, powders and drinks offer different ways to build a routine. We help you explore what fits your preferences and daily habits.
The people behind ARK
Two research perspectives. One shared purpose.
ARK Fusion is led by Dr. Amanda Kearns and Dr. Rowan Kearns. Their complementary backgrounds connect the science of health with the way people understand and use health information.
Health communication & digital health
Dr. Amanda Kearns
Amanda's research explores how health professionals use digital tools to communicate and support people. That perspective helps shape ARK's emphasis on accessible information and practical, human guidance.
Gut microbiota & sports nutrition
Dr. Rowan Kearns
Rowan's research spans gastrointestinal health, probiotics, inflammation and sports nutrition. His work brings a microbiome research perspective to the questions behind the brand.
Learn how we approach evidence and product information on our Science & Product Standards page.
ARK in the United States
The same brand. A local place to shop.
ARK Health USA is operated by ARK Health USA LLC and is the dedicated U.S. home of ARK Fusion. Our launch range includes FIT Pro, IMMU ProBio, Soothe Biotix, PRO-Zyme and Hydro2 Pro, with inventory held in the United States.
Orders on this store ship within the United States. Standard shipping is $6.95 for orders below $60, with free shipping at $60 or more after discounts and before tax. See our Shipping & Returns page for details.
Our guides provide general product information. For advice about your health, medication or whether a supplement is suitable for you, speak with a qualified healthcare professional.
ARK products are dietary supplements, not medicines. These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.