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Magnesium vs Magnesium Glycinate
Compare Magnesium and Magnesium Glycinate: timing, food, doses, forms and existing interaction guidance.
| Magnesium | Magnesium Glycinate | |
|---|---|---|
| Category | Minerals | Minerals |
| Best time | Bedtime | Bedtime |
| Food | With or without food | With or without food |
| Common dose | 200–350 mg | 100–350 mg |
| Upper limit | 350 mg/day UL applies to all supplemental magnesium combined (not food); mainly to prevent diarrhea. | 350 mg/day UL applies to all supplemental magnesium combined (not food); mainly to prevent diarrhea. |
| Solubility | Water-soluble | Water-soluble |
| Description | Cofactor for 300+ enzymes, including those that activate vitamin D and produce ATP. Low intake is common in Western diets. | Magnesium bound to the amino acid glycine. Popular for sleep and generally well tolerated, with less laxative effect than citrate or oxide. Trials of this specific form are scarce — the sleep reputation is extrapolated from magnesium and glycine separately. |
| Timing note | Evening or bedtime is popular because some people find it relaxing. Consistency matters more than timing. | Usually taken in the evening or at bedtime; it's gentle on the stomach, so food is optional. |
| Forms to look for |
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| References |
Common product or study range — not a personal recommendation. Upper limits are ceilings, not targets.
If you take both
Usually unnecessary — both supply magnesium, and the amounts add up.
Pick one form, or add up the elemental magnesium on both labels.
Common questions
What is the difference between Magnesium and Magnesium Glycinate?
Magnesium: Cofactor for 300+ enzymes, including those that activate vitamin D and produce ATP. Low intake is common in Western diets. Magnesium Glycinate: Magnesium bound to the amino acid glycine. Popular for sleep and generally well tolerated, with less laxative effect than citrate or oxide. Trials of this specific form are scarce — the sleep reputation is extrapolated from magnesium and glycine separately.
Can I take Magnesium and Magnesium Glycinate together?
Usually unnecessary — both supply magnesium, and the amounts add up.