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Bioavailable Formula
Supports Sleep
Marine Magnesium
Xtendlife's Marine Magnesium with Potassium - Your Vital Mineral Supplement
Essential Minerals for a Healthy You
Magnesium and potassium are crucial for your well-being. They're co-factors in over 300 bodily processes, including energy production, nerve function, muscle health, stress regulation, and sleep enhancement.
The Best Choice
Our researchers have carefully chosen Aquamin MG® – the most bioavailable form. Sourced from pure Irish seawater, it's rich in elemental magnesium and 72 trace elements, benefiting your health.
Natural Stress and Sleep Solutions
Our formula reduces stress hormones, promotes feel-good neurotransmitters, and regulates sleep by enhancing melatonin production.
Brain and Heart Support
Magnesium protects brain health, aids cognitive function, and safeguards against cognitive decline. It also supports heart health by regulating rhythm, blood pressure, and muscle function, reducing spasms and inflammation.
The Case for Potassium
Our formula includes 110mg of elemental potassium to support cardiovascular health and synergy with magnesium.
Who Needs It?
Half of adults lack these essential minerals. At-risk groups include those with gastrointestinal diseases, type 2 diabetics, and older adults who struggle to absorb magnesium.
Natural, Effective, and Pure
Fill the gap in your diet with Xtendlife's Marine Magnesium with Potassium. It's highly bioavailable, rich in elemental magnesium, potassium, and trace elements, ensuring your natural health. Say goodbye to deficiencies and hello to a healthier, more balanced you with our magnesium and potassium supplements.
We believe you deserve to know exactly what you’re putting in your body, no confusing labels, no hidden fillers, no compromises.
Every ingredient we use is there for a reason: high-quality, rigorously sourced, and transparently listed.
Our Ingredients
Supplement FactsServing size: 2 Capsules Servings per container: 30 |
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| * Percent daily values (DV) are based on a 2000 calorie diet |
Other Ingredients: Capsule (Hydroxypropylmethyl Cellulose, Water), Gum Arabic.
If you are pregnant, lactating or taking any medications, please consult your health practitioner before starting new supplements.
L1449-3
Servings per bottle: 30 (2 capsules per day) / 60 (1 capsule per day)
Daily serving: Adults - 2 capsules per day. Children (9-18) - 1 capsule per day.
Take 2 capsules per day. For best results take after an evening meal.
Combines well with Total Balance products.
If you are taking CX8 we do not recommend that you take CX8 and Marine Magnesium with Potassium at the same time. This is because Magnesium may affect the efficacy of the Vitamin K2 ingredient which is present in CX8. Take CX8 in the morning if possible, as this increases your energy and then take the Magnesium at bedtime as it helps with sleep.
If you are pregnant, lactating or taking any medications, please consult your health practitioner before starting new supplements.
If you have any questions, please contact us at customer.service@xtend-life.com
After 25 years and millions of orders to customers around the world, we know how important shipping is. That is why we continue to deliver the following to our customers including a commitment to dispatch your order within one business day.
For more information please view our shipping page
Trusted Brand for over 25 years
Proudly made in New Zealand
365 Days Guaranteed
Send it back within 365 days (a full year) of the purchase for a full refund. Xtendlife does not want you to have any product from us that does not fully meet or exceed your expectations. When requesting a refund, the cost of shipping the items back is the responsibility of the customer, not Xtendlife.
If you need to return a product for any reason - we make it easy for you. You can either call us on any of our contact numbers or you can email us with the details at refunds@xtend-life.com.
For more information please view our refunds and returns page
More questions? Visit our FAQs
“Dr. Joel Kahn is one of the world's leading cardiologists, clinical professor of medicine, integrative medicine practitioner and promoter of plant-based nutrition. He is a holistic cardiologist who strongly believes in the power of nutrition and supplements to help reduce disease risk, improve markers of heart health, and balance out dietary insufficiencies. Dr. Kahn is also the best-selling author of many popular books on heart health.”
Dr Joel Kahn
MD, Cardiologist
“What drew me here is their genuine commitment to creating products powered by science and built on quality ingredients. No fluff, just thoughtful formulations that make a real difference.”
Dr. Amanda Wiggins
Chief Research Scientist
“Ben Greenfield is one of the most influential people in health and fitness, he is a nutritionist, physiologist, fitness coach and author. An acclaimed biohacker and New York Times Bestselling Author, Ben champions the fusion of science and ancient wisdom to enhance holistic health. Revered as a top U.S. personal trainer, he provides resources on peak performance and comprehensive wellbeing to global audiences.”
Ben Greenfield
Health & Fitness Biohacker
“Ivor Cummins, aka The Fat Emperor, is a researcher and world-renowned speaker on health and cardiovascular health. He is the co-author of 'Eat Rich Live Long' which broke down three major myths in health and longevity. He strongly believes that personal transformation is ‘within every person's grasp’, and following the correct science in your diet will lead to enhanced productivity.”
Ivor Cummins
Chemical Engineer
“Dr. Barrie Tan is the world’s leading expert on Vitamin E and Geranylgeraniol. A pioneer in Vitamin E and tocotrienol research, he has dedicated his career to uncovering nutritional solutions for better health and exposing common misconceptions about Vitamin E along the way.”
Dr Barrie Tan
PhD, Scientist & Researcher
More Than Heart SupportHeart health is about more than numbers. Our range combines targeted nutrients and carefully crafted formulations that work together to support circulation, energy, and overall cardiovascular wellness, helping you care for your heart every day.
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If you ever find yourself standing in the supermarket, staring at the fruit and vegetable aisle and wondering which options provide the most nutrients and give you the most nutritional...
If you ever find yourself standing in the supermarket, staring at the fruit and vegetable aisle and wondering which options provide the most nutrients and give you the most nutritional...
Hippocrates knew a thing or two. Although he was practicing over two thousand years ago, without the aid of modern science and technology, Hippocrates knew something that we are only...
Hippocrates knew a thing or two. Although he was practicing over two thousand years ago, without the aid of modern science and technology, Hippocrates knew something that we are only...
By Dr. Joel Kahn, MD, FACC When I talk to patients, memory issues and concern about brain health often come up early in the conversation. It's widely known that diet...
By Dr. Joel Kahn, MD, FACC When I talk to patients, memory issues and concern about brain health often come up early in the conversation. It's widely known that diet...
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