Magnesium Oxide 400®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 2 Tablet(s) · 1 per day

Not Present

• 

  Magnesium Oxide 400

  Wonder Laboratories4.7(63)

  $5.52
• 

  Mag-Ox 400 Magnesium Tablets

  Target4.7(431)

  $7.89
• 

  Wonder Laboratories Magnesium Glycinate 500mg

  Wonder Laboratories4.5(18)

  $7.22
• 

  Geri-Care Magnesium Oxide Mineral Supplement

  Walmart4.5(50)

  $3.88
• 

  Magnesium Oxide 400 Mg Sftgl, 400 MG SOFTGEL CAPSULE

  Amazon.com

  $8.40
• 

  Walgreens High Absorption Magnesium 400mg Tablets (60 ct)

  Walgreens.com

  $19.99
• 

  Magnesium Oxide, 400 MG Tablets

  Amazon.com

  $5.10
• 

  Magnesium Oxide 400 mg 60 capsules

  prozis.com4.8(213)

  $4.50

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• Supplement Superstore

  5.0 (1031)

  Vitamin & supplements store

  8705 Shawnee Mission Pkwy, Merriam, KS 66202

  Directions(913) 400-2028

• Supplement Superstores

  5.0 (797)

  Vitamin & supplements store

  11991 S Black Bob Rd, Olathe, KS 66062

  Directions(913) 839-2558

• Supplement Superstores

  5.0 (1202)

  Vitamin & supplements store

  7344 W 135th St, Overland Park, KS 66223

  Directions(913) 402-6813

• The Vitamin Shoppe

  4.5 (145)

  Vitamin & supplements store

  11821 Metcalf Ave, Overland Park, KS 66210

  Directions(913) 327-7515

• The NutraSense Company warehouse location

  Vitamin & supplements store

  14321 W 96th Terrace, Lenexa, KS 66215

  Directions(800) 350-7017

• 913 Nutrition

  4.6 (156)

  Vitamin & supplements store

  11144 Antioch Rd, Overland Park, KS 66210

  Directions(913) 232-7859

• GNC

  4.4 (25)

  Vitamin & supplements store

  15810 Shawnee Mission Pkwy Spc e, Shawnee, KS 66217

  Directions(913) 962-8500

• Ad Astra Nutrition

  4.9 (36)

  Cafe

  14910 W 87th St Pkwy, Lenexa, KS 66215

  Directions(913) 967-5074

• Magnesium Glycinate vs Oxide vs Threonate (2026)

  Q Answer, WFSY Take - yourhealthier.com

  … A 400 mg oxide capsule delivers roughly 240 mg elemental … Wondering how long lion's mane takes to kick in? See how long … (200–400 mg in the evening for sleep and general health) …

• Have an account?

  P Beard - Foundations, 2026 - viridian-nutrition.com

  … review we will establish the benefits of using magnesium oxide. … health benefits, one thing is clear, magnesium oxide is not as bioavailable as other supplemental forms of magnesium. …

  2026

• Magnesium Brain Repair: Unlocking the Potential for Cognitive Healing

  K Takeaways - neurolaunch.com

  … : magnesium oxide. Its … Magnesium is available over the counter and generally safe for most adults, but some situations call for proper medical evaluation before you start supplementing …

• Osteoporosis & Osteopenia: Vitamin Therapy for Stronger Bones

  B Lusk - 2019 - books.google.com

  … substitute for the medical advice of healthcare professionals. … contain magnesium oxide—always check the nutrition label. … In time, you may wonder if taking K2 is a waste of effort and …

  20191 citations

• Prescription for Drug Alternatives: All-Natural Options for Better Health without the Side Effects

  JF Balch, M Stengler, R Young-Balch - 2008 - books.google.com

  … You may wonder how the drugs we list below could have been on the market if the testing procedures are so stringent. Two (sometimes one) Phase 3 clinical human trials are required …

  200813 citations

• The Everything Guide to Nootropics: Boost Your Brain Function with Smart Drugs and Memory Supplements

  E Brand - 2016 - books.google.com

  … medical advice. The ideas, procedures, and suggestions in this book are intended to supplement, not replace, the advice of a trained medical … sitting at home wondering how and where …

  20165 citations

• Magnesium Forms Explained: Oxide, Citrate, and Glycinate

  The magnesium form on a label affects how much elemental magnesium you get. Here is how the common forms compare.

  VitaSuppTrack Editorial· Jun 24, 2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-12-18. DSLD Label ID: 262974. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.