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Products that match the form and dose used in the studies. Umbral earns a commission on some purchases; the order never changes because of it.

Moderate
200–400 mg elemental
Ratings, prices and photos were read from Amazon on Sep 18, 2026. Amazon prices change; the current one is on the product page.

As an Amazon Associate, Umbral earns from qualifying purchases. Product data is provided by Amazon and may change; ratings and prices shown are Amazon’s, not Umbral’s. Recommendations are based on the evidence grade and the form used in trials, never on commission.

Doctor's Best High Absorption Magnesium Glycinate Lysinate, 240 Tablets
Doctor's Best High Absorption Magnesium Glycinate Lysinate, 240 Tablets
4.6(76,531)
$23.99

Two tablets are 200 mg of elemental magnesium as a glycinate–lysinate chelate, four are 400 mg — the label states the elemental figure, which is the one that matters. Best tolerated form, and the glycine carries its own sleep benefit.

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Amazon price on Sep 18, 2026.
THORNE Magnesium Bisglycinate, Powdered Magnesium
THORNE Magnesium Bisglycinate, Powdered Magnesium
4.4(2,672)
$52.00

Powder lets you titrate the dose upward until you find your own tolerance point, and mix it with glycine in the same glass.

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Amazon price on Sep 18, 2026.
NOW Supplements Magnesium Citrate
NOW Supplements Magnesium Citrate
4.7(25,729)
$8.21

Citrate is cheaper and absorbs well, with twenty-five thousand ratings behind it. It loosens stools at higher doses — that is the trade against glycinate.

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Amazon price on Sep 18, 2026.
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What to look for
  • ✓'Elemental magnesium' clearly stated (200–400 mg)
  • ✓Glycinate/bisglycinate or citrate
  • ✓Chelated, third-party tested
What to avoid
  • ✕Magnesium oxide (poorly absorbed)
  • ✕'Magnesium complex' blends hiding the oxide share
Safety notes
  • · Diarrhea at higher doses (form-dependent).
  • · Caution in kidney disease.

As an Amazon Associate, Umbral earns from qualifying purchases. Product data comes from Amazon and may change; ratings and prices are Amazon's, not Umbral's. Suggestions are based on the science and the form used in studies, never on commission.

Umbral is a wellness product, not a medical device. It does not diagnose, treat, cure or prevent any disease. Supplement information is educational; talk to a clinician before starting anything, especially if you are pregnant, under 18, managing a condition or taking medication.

These statements have not been evaluated by the Food and Drug Administration.