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Doctor's Best High Absorption Magnesium 200 mg is a tablet sold under the Doctor's Best brand. Its label lists 1 vitamin or mineral. At the label's highest daily amount (4 tablets a day), magnesium (114% of the adult limit) is above the upper limit for adults, from this product alone. Upper limits don't apply when a doctor prescribes a higher amount for a set time; if nobody did, talk to your doctor or pharmacist before you change anything.
Take other supplements too? Add this one to the Supplement Checker and see your daily totals next to the limits for your age.
Add Doctor's Best High Absorption Magnesium 200 mg to the Supplement Checker
What’s in Doctor's Best High Absorption Magnesium 200 mg
| Ingredient | Per serving | Per day | Share of the adult limit |
|---|---|---|---|
| Magnesium | 200 mg | 400 mg | 114% (above the adult limit) |
“Share of the adult limit” compares the daily amount with the upper limit for adults 19 to 50 (From age 51 the calcium limit is 2,000 mg; from age 71 the phosphorus limit is 3,000 mg). For most nutrients the limit counts food too.
How to take Doctor's Best High Absorption Magnesium 200 mg (from the label)
- The label says: “Suggested adult use: Take 2 tablets twice daily, or as recommended by a nutritionally informed physician.”
Other ingredients
Microcrystalline Cellulose, Croscarmellose Sodium, Magnesium Stearate, Stearic Acid, Hydroxypropyl Cellulose, Silicon Dioxide, Hypromellose.
FDA recalls for Doctor's Best
The FDA enforcement records list 1 supplement recall under the name Doctor's Best (any product of that name, any date; searched November 9, 2026). Check whether one matches your product’s lot code:
- Doctor's Best Red Yeast Rice 1200 (Doctor's Best, Inc.), recall D-1549-2014, reported August 27, 2014
Who sells it
Doctor's Best, Inc., Tustin, California (as printed on the label).
If you think you or a child took too much of a supplement, call Poison Control at 1-800-222-1222 (U.S., free, 24 hours) or use poison.org. In an emergency, call 911.
Sources: NIH Dietary Supplement Label Database, label 322515; upper limits from the National Academies Dietary Reference Intakes. Labels change: check the amounts on your bottle.
General information, not medical advice. Your doctor may recommend a different amount, for example to treat a deficiency. Talk to your doctor or pharmacist before you start, stop or change a supplement, especially if you are pregnant, nursing, take medication or have a medical condition.