Ultra-Mag magnesium supplement combines five highly bioavailable forms to maximise absorption, and supports energy, relaxation, nerve function, and heart health for busy lives and everyday wellbeing. Key forms include magnesium glycinate, magnesium malate, magnesium citrate, magnesium succinic acid complex, and magnesium taurine complex, all working together with vitamin B-6 to boost metabolism and support cardiovascular health. Source Naturals backs Ultra-Mag with NSF certified and in house testing, so you can trust what goes into every tablet.

Available Sizes & Variants:

120 tablets magnesium supplement - standard pot for daily use.

Benefits & Features:

• Relaxed muscles after busy days.
• Vegetarian friendly and gluten free, making it easy to fit with varied diets.
• Star ingredient blend maximises absorption, helping your body use magnesium more efficiently for energy, muscle relaxation, nerve function, and heart health every day, consistently too.
• Supports energy production for daily activities.
• Promotes nerve function and heart health.

Source Naturals has built a reputation on quality and trust. Ultra-Mag is produced in a GMP facility, with NSF certification and in house testing to keep purity consistent. The vegan, gluten free formula contains five magnesium forms, including magnesium glycinate, chosen for gentle absorption. Vitamin B-6 helps magnesium metabolism and supports cardiovascular and neurological health. In wellness stacks, magnesium glycinate is often used alongside popular nutrients such as vitamin d supplement and creatine. In short, a practical, dependable daily support for energy, relaxation, and nerve function.

Vitamin B-6 (as pyridoxine HCl), Magnesium (as magnesium citrate, succinate, glycinate, malate and taurinate), Sodium, Stearic acid, acacia gum, modified cellulose gum, magnesium stearate, and silica..

• GTIN: 21078008033
• Manufacturer: Source Naturals
• Categories: New ArrivalsSource Naturals
• 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.

Take one or two tablets daily with a meal.

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

The Active Ingredient Is: Magnesium

Magnesium is an essential mineral involved in hundreds of bodily processes and exists in multiple bioavailable forms within this product.

This formula draws on five highly bioavailable magnesium forms including citrate, succinic acid complex, glycinate, malate and taurine complex to maximise absorption and utilisation. Vitamin B-6 is included to support magnesium metabolism.

What Does Magnesium Do?

Magnesium participates in energy metabolism, supports normal muscle function and helps maintain healthy nerve function in line with EFSA guidance.

In addition, magnesium contributes to the normal function of the nervous system and helps support relaxation and overall daily well-being as part of a balanced diet.

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

Source Naturals stands out for manufacturing excellence and reliability, making it our trusted pick for Ultra-Mag. The brand’s in-house production, paired with NSF certification and GMP compliance, shows a longstanding commitment to quality and safety that we recognise as central to a dependable supplement supply partner. That heritage aligns with our goal to work with manufacturers that uphold strict standards across sourcing, formulation, and distribution.

Our doctors and nutritionists assessed Source Naturals’ quality and process controls, highlighting robust identity, purity and potency checks, and independent lab verification. Completed batches are tested prior to packaging to check accuracy, with third‑party testing by ISO-certified labs reinforcing their open quality framework. You can explore how we assess these standards via our team of medical pros and our quality certification process.

Ultra-Mag is a focused magnesium blend designed for strong absorption and broad support, adding five bioavailable forms plus vitamin B-6 to aid metabolism and overall wellbeing. This brand's multi-form approach, along with its really rigorous manufacturing honesty and testing rigour, made Source Naturals the best match for this supplement. We recommend Source Naturals Ultra-Mag as a carefully chosen pick backed by our expert assessment.