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Supports Healthy Bones, Muscles, & Teeth

Our Magnesium Complex helps to develop and maintain healthy teeth and bones, along with supporting the absorption and utilisation of calcium. It also contributes to normal muscle function by promoting healthy muscle contractions, including the heart.

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Supports Energy Levels

Boost your energy levels and get ready to tackle your day with ease. Our formula helps to promote normal psychological functioning, reduce tiredness and fatigue, and support energy levels.

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Promotes Immune & Overall Health

Stay feeling your best. Our immune system is responsible for protecting us against dangerous pathogens. Our product strengthens the body’s immune response, as well as helps to protect the body’s cells from oxidative stress.

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Triple Action. Superior Absorption.

Triple-Sourced Magnesium

Our Magnesium Complex is formulated with three different forms of Magnesium, each with its own unique structure—Magnesium Citrate, Malate, and Glycinate.

Enhanced Formula

Our Magnesium Complex contains added vitamin D3 and Zinc, which means it can help to promote immune function, protect the body's cells from oxidative stress, support cognitive function, and more.

Maximum Potency

Our high-potency Magnesium Complex provides recommended doses of Magnesium, Zinc and Vitamin D3. Each serving of our product delivers 205mg of elemental Magnesium (1328.52mg of Magnesium compounds) from three different sources.

Enhanced Absorption

Our Magnesium Complex is made using only the most bioavailable ingredients that are highly digestible and provide real and noticeable results.

HPMC Capsule

We use an HPMC (hypromellose) capsule shell for our products, so they contain 0% gelatine.

Risk-Free Purchase

We offer a simple, 100% Satisfaction Guarantee on our Magnesium Complex. Love it, or your money back!
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Our Promise
60-Day Money-Back Guarantee
UK Manufactured
Non-GMO & Pesticide-Free
No Artificial Flavours
Vegan-Friendly
Naturally Dairy-Free
Them vs. Us
Traditional Supplements
Theonia BE Logo
Supports Healthy Bones, Muscles, & Teeth
Supports Energy Levels & Immune Health
Triple-Sourced Magnesium
Enhanced with Vitamin D3 & Zinc
Non-GMO & Pesticide-Free
No Artificial Flavours

FAQ

What ingredients does this product contain?

Magnesium bisglycinate, magnesium citrate, glazing agent (hydroxypropyl methylcellulose), bulking agent (microcrystalline cellulose), magnesium malate, Zinc L-ascorbate, zinc citrate, cholecalciferol (vitamin D), anticaking agent (magnesium salts of fatty acids).

How many capsules should I take each day?

  • We recommend that you take 2 capsules of our Magnesium Complex daily, preferably at mealtime.

Is it vegan and vegetarian-friendly?

Yes—Our Magnesium Complex is suitable for vegetarians and vegans. We use an HPMC capsule shell rather than an animal-based gelatin. We also use a premium vitamin D3 derived from algae, making this formula fully vegan.

Why do you use three forms of Magnesium?

We use three different forms of magnesium in our supplement because each of them has different benefits and different absorption rates. Many cheaper supplements on the market will simply use one form of magnesium such as Magnesium Oxide; of which only very little is retained by your body.

You should also be wary of supplements that contain large amounts of only Magnesium Citrate, as this can have an undesired laxative effect.

Why do you put Zinc & Vitamin D in your product?

Zinc enhances magnesium absorption and clinical studies show that when combined, they support optimal immune health and neurotransmitter activity which enhances cognitive function and helps maintain a healthy mood.

Vitamin D contributes to the maintenance of normal muscle and bones and helps to provide and boost many of the same benefits of Magnesium.

What is Theonia’s return policy?

We offer a 60-day money-back guarantee. If you would like to return your order, then please reach out to us and we will issue you a return number to include with the package being returned along with further instructions.

When will my order be dispatched to me?

Your products will be dispatched within 1 working day of placing your order.

Don't just take our word for it...

Thousands of people love this product - Find out why!

Marcus K.
“I’m out there running almost daily, and I used to wake up stiff and sore. Since trying this magnesium complex, my muscles feel calmer and more relaxed. It’s easy on my stomach—no issue there—and that makes me want to keep using it daily. Definitely a winner in my routine.”
Marcus K.
Mary M.
“Before, I’d toss and turn constantly. Since I started taking this at night, I’m sleeping deeper and waking up with far less grogginess. I didn’t expect it to help this much, but I’m genuinely impressed. Sleep has improved, and I’m mornings feel so much better.”
Mary M.

Fuel Your Body, Ignite Your Energy, Feel the Difference

Experience the Benefits of Our Magnesium Complex

Experience the power of our Magnesium Complex, meticulously crafted with three advanced forms of highly absorbable Magnesium, paired with two varieties of Zinc and an optimal dosage of Vitamin D3. Our unique formula is expertly formulated to deliver the full spectrum of benefits from Magnesium and Zinc, prioritising maximum absorption to help you harness the many health advantages it brings.

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“After a few weeks of taking this, I feel more balanced overall—less tension, more stable energy, and no mid-day crashes. It’s become a staple in my day.”

Roger K.
Your well-being is our priority If for any reason you have questions or feedback about our product line, contact us and we’ll gladly make it right.
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