Sunday Natural - Magtein® Magnesium L-Threonate 120 Capsules

Suppie Report

Sunday Natural

Magtein® Magnesium L-Threonate 120 Capsules

A grade
88/100
SUPPIE SCORE
75/100
EFFICACY
High
SAFETY
96/100
CLEANLINESS

What Does Magtein® Magnesium L-Threonate 120 Capsules Do?

Sunday Natural Magtein provides a patented form of magnesium L-threonate studied in RCTs for cognitive and sleep benefits at matching doses, placing it among better-supported magnesium variants for brain-related outcomes.
How does Magtein® magnesium L-threonate compare to other magnesium forms for brain health?
What is the best way to take this supplement for optimal results?
Are there any specific groups who should avoid magnesium L-threonate supplements?
Chat with Suppie

What Are the Benefits of Magtein® Magnesium L-Threonate 120 Capsules?

Based on proven scientific research

Cognitive FunctionStrong
Memory SupportModerate
Sleep QualityModerate

Good For:

What Are the Side Effects of Sunday Natural Magtein® Magnesium L-Threonate 120 Capsules?

Always consult your health practitioner if in doubt.

RiskLow Risk

Overview

Provides 147 mg elemental magnesium per 3-capsule serving, below the 250 mg supplemental limit recommended by BfR to avoid laxative effects.
Well-tolerated in clinical trials with no significant adverse reactions reported at studied doses.
Mild gastrointestinal effects such as nausea or diarrhea possible with magnesium supplementation, typically transient.
Not suitable during pregnancy or breastfeeding per product guidance.
Not intended for children; individuals with kidney disease should consult a physician before use.
Divide dose throughout the day and follow label instructions to minimize any potential digestive discomfort.

Potential Side Effects

Negative Interactions

Inactive Ingredients

Cellulosepulver
Low Risk
Hydroxypropylmethylcellulose
Low Risk

What Are the Ingredients in Sunday Natural Magtein® Magnesium L-Threonate 120 Capsules?

Magnesium L-Threonate (Magtein®)
2040 mg per 3 capsules (147 mg elemental magnesium)
Cellulosepulver
Hydroxypropylmethylcellulose

Scan the bottle in your cupboard

Same graded report you just read — on any label, in about 10 seconds.

Download on the App Store

Dosage & Bioavailability

How the active doses and forms in Magtein® Magnesium L-Threonate 120 Capsules compare to the research.

Magnesium L-Threonate (Magtein®) — 2040 mg per 3 capsules (147 mg elemental magnesium); within 1.5-2 g daily range used in cognitive and sleep RCTs.
Magnesium L-Threonate (Magtein®) — branded L-threonate form; designed for enhanced brain uptake compared to other magnesium salts with ~7.2% elemental magnesium content.

Frequently Asked Questions

Common questions about Sunday Natural Magtein® Magnesium L-Threonate 120 Capsules