Douglas Laboratories

Magnesium Glycinate

Product Quality

Overall evidence-based quality rating

How Product Quality is assessed

8.44Very Good

Price

$0.11/serving

Retail

$25.40

Container

240 servings

Serving

1 Vegetarian Capsule

Brand Quality

8.41

Why this score

Testing practices

Lot Tested
Third-Party Lab Tested
Transparent Batch-Specific COAs
ISO 17025 Lab

Testing coverage

Identity
Purity
Potency
Heavy Metals
Raw Ingredient Testing

Certifications

NSF Certified

Manufacturing standards

cGMP Certified
Made in USA

Innovation

Clinically Studied Product

Active Ingredients

Magnesium
120 mg
Ingredient research · Magnesium
Magnesium is an essential mineral that enables normal muscle and nerve function, energy production, heart rhythm, and bone maintenance. Supplements can correct low magnesium status and, depending on the formulation, may also help with constipation, muscle cramps, or migraine prevention in some people.

Ranking

Magnesium Products84%

Inactive Ingredients

9 Safe

Hydroxypropyl MethylcelluloseIdeal
Ascorbyl PalmitateSafe

These statements have not been evaluated by the Food and Drug Administration. Any products and informational content displayed on this page are not intended to diagnose, treat, cure, or prevent any disease.