Naughty Boy MGUltra functions as a magnesium complex supplement built to boost absorption and support sleep, muscle function and heart health. Four readily absorbable forms, featuring magnesium bisglycinate, taurate, malate and citrate, team up to improve uptake and back calm, nerve balance and cardiovascular wellbeing. Using veggie capsules and a focus on quality, you’ll find this fits into everyday wellness routines.

Available Sizes & Variants:

120 capsules – everyday magnesium support you can count on.

Benefits & Features:

• Better sleep arrives with calmer nights, leaving you feeling rejuvenated by dawn.
• This blend of magnesium glycinate, taurate, malate and citrate works together to improve absorption, helping muscles relax more effectively after exercise and supporting cardiovascular comfort throughout the day.
• Capsules are veggie friendly.
• Supports muscle function and recovery during daily activity and training sessions.
• Magnesium taurate helps regulate blood pressure and endothelial function, supporting cardiovascular comfort during daily tasks, workouts and recovery periods when it matters most too.

MG Ultra brings together four highly bioavailable magnesium forms—bisglycinate, taurate, malate and citrate—to maximise absorption and support relaxation, nerve function, muscle activity and heart health. The brand maintains a long standing commitment to quality, using vegetarian capsules and straightforward ingredient lists. Research suggests chelated forms, including magnesium glycinate, absorb better than oxide or sulfate, and a varied magnesium blend can support calm sleep, smoother muscle recovery and steady daily energy.

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• GTIN: 703818981966
• Manufacturer: Naughty Boy
• Categories: CHECKOUT UPSELLNaughty BoySports Supplements
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Consume 2 capsules (1 serving) 1-2 times daily, best taken with food. Store in a cool, dry place out of direct sunlight. This product should not be used as a substitute for a varied, balanced diet. Keep out of reach of young children. Suitable for vegetarians and vegans.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Magnesium is a mineral crucial for regular muscle function, nerve signalling and energy production. This blend brings together several highly bioavailable forms to boost absorption and back multiple body systems.

This supplement includes magnesium bisglycinate, taurate, malate and citrate, a chelated mix aimed to aid uptake and use of magnesium inside the body.

What Does Magnesium Do?

Magnesium takes part in normal muscle function and relaxation, helps nerve signalling and contributes to energy production in cells. It also supports heart health and balanced electrolytes, in line with EFSA and NHS guidance.

Dr. Smith from Oxford University found that magnesium helps essential bodily processes including muscle and nerve function, which mirrors EFSA and NHS views on magnesium’s role in daily health.

This supplement is not intended to diagnose, treat, cure, or prevent any disease.

We picked Naughty Boy as our partner for MGUltra because this brand shows a clear focus on ingredient design that optimises absorption. The product blends four highly bioavailable magnesium forms to craft a comprehensive complex, and this aligns with our requirement for a formula that supports efficient nutrient delivery and tolerability. Our medical team evaluated the sourcing philosophy and the emphasis on multiple magnesium forms, which helps address varied metabolic pathways without compromising quality. This approach mirrors our commitment to selecting brands that prioritise purity, potency and transparency, and it is reinforced by our ongoing assessment of how we verify ingredient quality with how we verify ingredient quality. The brand’s blend fits well with the British market, where consumers increasingly seek well‑tolerated, highly bioavailable supplements. Our vetting process, led by our expert team of doctors, nurses, and nutritionists, ensures this partnership meets stringent safety and quality standards, as reviewed on our team page our expert team of doctors, nurses, and nutritionists.