Magnesium Glycinate vs L-Threonate
A friendlier, fully-legal comparison — two supplement forms of the same mineral. The question is which form, and the answer is mostly about context of use.
Side by side
| Magnesium Glycinate | Magnesium L-Threonate | |
|---|---|---|
| Class | Supplements | Supplements |
| Form | Oral | Oral |
| Half-life | — | — |
| Storage | Room temperature | Room temperature |
| Dose units | mg | mg |
| FDA status | Approved | Approved |
Facts from the Stack compound library. See the full pages: Magnesium Glycinate · Magnesium L-Threonate.
How they differ
The chelate
Glycinate binds magnesium to glycine; L-threonate binds it to threonic acid. Both improve tolerability over cheap oxide forms; the carrier is the difference.
Typical context
Glycinate shows up in general and sleep-oriented routines. L-threonate is the form specifically researched for cognitive endpoints. Neither claim is medical advice — just how each is commonly discussed.
Stacking note
Some people log both for different times of day. A tracker keeps the AM/PM split honest.
Everyday staple
Both are everyday supplements — the point of logging them is consistency and seeing the routine actually stick, which is what streaks are for.
Tracking either one
Whichever you log, the workflow is the same in Stack: add it once, set the schedule, and let the app handle reminders, supply projection and an "in your system" curve from the half-life. Run both? Group them into one protocol you can pause together.
Track your stack in Stack
Free, private, no account. Doses, schedules, supply and trends in one quiet app.
Get the appLast reviewed 2026-06-11