PepSight
BRAIN + MOOD

Magnesium L-Threonate (Oral)

Magnesium L-Threonate (Oral) is a brain + mood peptide used in evidence-based, physician-supervised protocols. Use for cognitive decline, memory optimization, sleep quality, and Mg deficiency affecting brain function.

What is Magnesium L-Threonate (Oral)?

Magtein — brain-penetrating magnesium chelate that crosses BBB and elevates cerebrospinal fluid Mg2+. Activates NMDA receptors, enhances synaptic plasticity, improves working memory. PM preferred (also supports sleep). FDA GRAS self-affirmed.

Uses & clinical decision logic

Use for cognitive decline, memory optimization, sleep quality, and Mg deficiency affecting brain function.

Magnesium L-Threonate (Oral) dosage & administration

Vial sizeBAC waterDosing rangeUnits / doseFrequencyRoute
Oral CapN/A (oral)500-1,500mg1-3 capsulesDaily (PM preferred)Oral

Safety & contraindications

May cause loose stools at high doses — titrate.

Stacking & combinations

Part of Brain Health Oral Blend; synergistic with Anserine, Glutathione, L-Theanine.

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Frequently asked questions

What is Magnesium L-Threonate (Oral) used for?

Use for cognitive decline, memory optimization, sleep quality, and Mg deficiency affecting brain function.

What is the typical Magnesium L-Threonate (Oral) dosage?

Common dosing ranges from 500-1,500mg (Daily (PM preferred), Oral). Exact dosing is individualized and set by a licensed physician.

How is Magnesium L-Threonate (Oral) administered?

Magnesium L-Threonate (Oral) is typically administered via Oral.

What are the contraindications for Magnesium L-Threonate (Oral)?

May cause loose stools at high doses — titrate.

Considering Magnesium L-Threonate (Oral)?

Build a physician-supervised protocol around your goal — no gatekeeping, real doctors, 503A compounding pharmacies.

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This page is for educational purposes only and is not medical advice. Peptide therapies described here are provided under physician supervision through 503A compounding pharmacies. Many peptides are not FDA-approved for the uses described. Do not start, stop, or change any protocol without consulting a licensed physician.