Foundation Nutrients

Magnesium Spectrum

A triple-form Magnesium complex combining Glycinate, Malate, and L-Threonate — each targeting a distinct tissue system: sleep and muscle recovery, energy metabolism, and blood-brain barrier crossing for cognitive magnesium support.

$44 60 capsules · 30-day supply

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Magnesium is one mineral with many requirements across different tissue compartments. Magnesium Glycinate has high overall bioavailability with preferential uptake in muscle and nervous system — ideal for sleep, relaxation, and muscle recovery. Magnesium Malate combines magnesium with malic acid, which participates directly in the Krebs cycle for ATP production — making it the most effective form for cellular energy and muscle fatigue reduction. Magnesium L-Threonate (Magtein®) is the only form that has been shown to significantly increase magnesium concentration in cerebrospinal fluid, crossing the blood-brain barrier to support neuronal function.

The clinical limitation of single-form magnesium products is that they address one tissue compartment while leaving others under-supported. Spectrum delivers all three mechanisms simultaneously in a single serving — muscle and recovery support (Glycinate), energy metabolism (Malate), and neurological magnesium elevation (Threonate) — the complete magnesium protocol.

The Sanctum System

Where It Fits

Magnesium Spectrum is the advanced version of the Foundation Nutrients magnesium layer. It can be taken alongside or instead of Magnesium Glycinate depending on your protocol goals. For those running the full cognitive stack (Neuro Apex + B-Vitamin Matrix), the L-Threonate component makes Magnesium Spectrum the preferred magnesium choice.

Daily Stack · Foundation Nutrients

Built For

Who It's For

Anyone who has tried standard Magnesium Glycinate and wants broader coverage — athletes who need both muscle recovery and cognitive support, executives managing both energy and stress, and anyone over 40 who wants to ensure neurological magnesium levels are maintained in addition to the systemic benefits.

You want comprehensive magnesium coverage across muscle, brain, and metabolism
You train hard and need both recovery and energy-metabolism support
You want to support cognitive function through blood-brain-barrier-crossing magnesium
You already take Magnesium Glycinate and want to upgrade to a full-spectrum protocol

Formulation

What's Inside

Compound	Amount Per Serving	Role
Magnesium Glycinate	200mg elemental	Highest bioavailability chelate; muscle recovery, sleep quality, and nervous system support
Magnesium Malate	150mg elemental	Malic acid complex; participates in Krebs cycle for ATP production and muscle fatigue reduction
Magnesium L-Threonate (Magtein®)	50mg elemental	Only form shown to significantly increase CSF magnesium — crosses blood-brain barrier for neurological support

Serving size: 2 capsules. 60 capsules per bottle. Manufactured in the USA in a cGMP-certified facility. Third-party tested for potency and purity.

†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Questions

Frequently Asked

What is Magtein® and why is it in this formula? +

Magtein® is a patented Magnesium L-Threonate developed by MIT researchers specifically to address brain magnesium levels. It's the only magnesium form that significantly increases magnesium concentration in cerebrospinal fluid — making it uniquely valuable for cognitive support, neuroplasticity, and sleep quality through neurological pathways rather than systemic ones.

Can I take this instead of Magnesium Glycinate? +

Yes — Magnesium Spectrum includes Magnesium Glycinate as one of its three forms. If you are currently taking Magnesium Glycinate (OMD-MAG-400-60), you can transition to Magnesium Spectrum for broader coverage, or continue both if you want maximum Glycinate intake for sleep and muscle recovery.

When is the best time to take it? +

Evening with dinner is optimal — the Glycinate component supports sleep quality and the Malate component doesn't cause the stimulating effect that some people experience with daytime Malate.

Does it help with cognitive function? +

The L-Threonate component specifically targets neurological magnesium levels. Published research from MIT shows Magtein® supplementation improves working memory and cognitive performance in both young and older adults by increasing synaptic density and neuroplasticity.

How does it compare to a standard multivitamin's magnesium? +

Most multivitamins contain Magnesium Oxide — which has ~4% absorption rate. Even at doses three times higher than Magnesium Spectrum, a multivitamin provides a fraction of the effective magnesium delivered by this formula. The form determines the outcome.

Community

Reviews

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