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Product guide

Magtein Magnesium L-Threonate

Magtein Magnesium L-Threonate is a Magnesium product from NOW Foods. This page keeps product label signals, evidence context, safety attention, and preference fit separate.

Limited evidence Medium safety attention Experience: Early
Educational onlyChecked 2026-08-04Label check neededLabels can changeLabel details

Decision summary

Magtein Magnesium L-Threonate

Users specifically comparing cognitive magnesium forms

Best forUsers specifically comparing cognitive magnesium forms
Watch outHigher cost and limited evidence compared with common forms.
Dose / serving3 capsules
Price$0.85per serving estimate; can change
SafetyMedium attention
Checked2026-08-04Label check needed

Key Comparison Metrics

FormL-threonatetolerance and goal fit
Elemental Mg144 mgper serving
ToleranceUsually gentledigestive comfort signal
Goal fitUsers specifically comparing cognitive magnesium formsprimary use case
Cost$0.85per serving estimate; can change
SafetyMediumattention level

Safety Snapshot

Medication

Magnesium may need to be separated from certain antibiotics, thyroid medication, or bisphosphonates if advised.

Conditions

Kidney disease or impaired kidney function requires professional guidance before magnesium use.

Allergy

No specific allergen warning listed yet

Pregnancy

Ask a healthcare professional before using supplemental magnesium during pregnancy or breastfeeding.

Side effects

Loose stools, cramping, or digestive discomfort may occur, especially with citrate or higher doses.

Dose caution

Avoid stacking multiple magnesium products without checking total elemental magnesium intake.

Preference Snapshot

Optional values-based signals. Unknown means Supppedia has not verified the label or source yet.

Organic / Non-GMO

Unknown / Unknown

Vegan

Unknown

Animal-derived

Unknown

Clean label

Unknown

Testing

Unknown

Packaging

Unknown

Before You Buy

Use this final check before choosing this product.

Form

Confirm magnesium form (L-threonate) and whether it fits your goal.

Elemental dose

Check elemental magnesium amount (144 mg per serving).

Tolerance

Tolerance signal: Usually gentle.

Safety

Check kidney disease and timing with antibiotics, thyroid medication, or bisphosphonates if relevant.

Value

Compare cost per 100mg elemental magnesium ($0.59).

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Benefits

This product is connected to Brain Health, Stress. Benefits are shown as possible use cases. Results and fit can vary.

Ingredients

Start with the product label, then connect the ingredient to evidence and safety context.

Magnesium L-threonate

Side Effects and Safety Notes

  • Higher cost and limited evidence compared with common forms.
  • Medication: Magnesium may need to be separated from certain antibiotics, thyroid medication, or bisphosphonates if advised.
  • Condition: Kidney disease or impaired kidney function requires professional guidance before magnesium use.
  • Possible side effect: Loose stools, cramping, or digestive discomfort may occur, especially with citrate or higher doses.
  • Dose: Avoid stacking multiple magnesium products without checking total elemental magnesium intake.
  • Pregnancy/Breastfeeding: Ask a healthcare professional before using supplemental magnesium during pregnancy or breastfeeding.
  • Ingredient context: Often marketed for cognitive support; evidence and cost should be compared carefully.

Dosage

Label serving size: 3 capsules. Compare this with ingredient-level dosage ranges and reported dosage patterns.

Research Summary

Evidence strength is currently marked as limited. Use ingredient-level evidence first and avoid assuming product-specific clinical proof unless available.

Label Check

Last checked
2026-08-04
Next check
2026-08-22
Label confidence
Label check needed

Shown fields

Brand, Product Name, Category, Dosage Form, Serving Size, Ingredient Links, Safety Structure

Can change

Price Per Serving, Availability, Servings Per Container, Label Warnings, Testing Claims

Check the current product label before buying or using this product.

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