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High-Dose Magnesium Complex Supplements

56 products above 300 mg

56 supplements contain high-dose Magnesium Complex (above 300 mg). The highest dosage product is Basic Preventive 4 (Iron and Copper Free) at 500 mg.

Low Dose (37)High Dose (56)

High-Dose Products (sorted by dosage)

ProductBrandDosage% DV
Basic Preventive 4 (Iron and Copper Free)Douglas Laboratories500 mg119%
Ultra Preventive Beta With Copper & IronDouglas Laboratories500 mg125%
EPD II FormulaDouglas Laboratories500 mg125%
Added Protection III (Without Copper And Iron)Douglas Laboratories500 mg125%
Ultra Preventive III Low AllergenicityDouglas Laboratories500 mg125%
Ultra Preventive-Beta With Copper & Iron With Natural Mixed CarotenoidsDouglas Laboratories500 mg125%
Ultra Preventive-Beta With Copper With Natural Mixed CarotenoidsDouglas Laboratories500 mg125%
Ultra Preventive III with Copper & IronDouglas Laboratories500 mg119%
Ultra Preventive DDouglas Laboratories500 mg125%
Ultra Preventive D With CopperDouglas Laboratories500 mg125%
Ultra Preventive III with IronDouglas Laboratories500 mg125%
Ultra Preventive IX With Vitamin KDouglas Laboratories500 mg125%
Ultra Preventive D With Copper & IronDouglas Laboratories500 mg125%
Basic Preventive 3 (Plus Iron)discontinuedDouglas Laboratories500 mg125%
Ultra Preventive III PowderDouglas Laboratories500 mg125%
Basic Preventive 2 (Iron and Copper Free)Douglas Laboratories500 mg119%
Basic Preventive 1 (Plus Iron And Copper)discontinuedDouglas Laboratories500 mg125%
Ultra Preventive III A Low AllergenicityDouglas Laboratories500 mg125%
EPD FormuladiscontinuedDouglas Laboratories500 mg125%
Ultra Preventive BetaDouglas Laboratories500 mg119%
Ultra Preventive Beta With CopperDouglas Laboratories500 mg125%
Prosta-Pro Support PackDouglas Laboratories450 mg113%
BP PackDouglas Laboratories440 mg110%
Ultra Preventive XDouglas Laboratories420 mg100%
Dad's PackDouglas Laboratories417 mg104%
Ultra Preventive 2000 Series Meno-Support FormuladiscontinuedDouglas Laboratories400 mg100%
P.M.T. Support FormuladiscontinuedDouglas Laboratories400 mg100%
Cal-6+Mg.Douglas Laboratories375 mg89%
Cal/Mag 2001 Calcium Two To OnediscontinuedDouglas Laboratories375 mg94%
Cal-SupremediscontinuedPureFormulas375 mg89%
Cal/Mag 2001 Calcium Two To OnediscontinuedPureFormulas375 mg94%
Ultra Preventive 2000 Series C.V. Support PackDouglas Laboratories350 mg88%
Ultra Preventive III With CopperDouglas Laboratories350 mg83%
Ultra Preventive III With Copper & IronDouglas Laboratories350 mg83%
Joint Health PackDouglas Laboratories300 mg75%
Arth-Support FormuladiscontinuedDouglas Laboratories Ultra Preventive 2000 Series300 mg75%
Blood Sugar Support PackDouglas Laboratories300 mg75%
Ultra Preventive 2000 Series DGST Support FormuladiscontinuedDouglas Laboratories300 mg75%
Ultra Preventive 2000 Series Resistance Support FormuladiscontinuedDouglas Laboratories300 mg75%
Executive Stress FormuladiscontinuedDouglas Laboratories Ultra Preventive 2000 Series300 mg75%
Ultra Preventive 2000 Series CNCR-Support FormuladiscontinuedDouglas Laboratories300 mg75%
DGST Support FormulaDouglas Laboratories300 mg71%
Ultra Preventive 2000 Series Gluco-Support FormuladiscontinuedDouglas Laboratories300 mg75%
Stress Support PackDouglas Laboratories300 mg75%
Intestinal/GI Support PackDouglas Laboratories300 mg75%
Ultra Preventive 2000 Series C.V. Support FormuladiscontinuedDouglas Laboratories300 mg75%
Nutri-Smart FormulaDouglas Laboratories300 mg75%
Cardiovascular Health PackDouglas Laboratories300 mg75%
Senior Men's PackDouglas Laboratories300 mg75%
Vitality Support FormuladiscontinuedDouglas Laboratories300 mg75%

Frequently Asked Questions

What is considered high-dose Magnesium Complex?

Based on 244 products in the NIH DSLD database, high-dose Magnesium Complex supplements contain 300+ mg.

Is high-dose Magnesium Complex safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including Magnesium Complex.