Magnesium L-Threonate
by Swanson · Capsule
Supplement facts from the label of Magnesium L-Threonate by Swanson: Magnesium 48 mg, Magtein 670 mg.

Supplement Facts
| Ingredient | Per serving | % DV | Upper limit (adults) |
|---|---|---|---|
| Magnesium (Magtein Magnesium L-Threonate) | 48 mg | 11% | 350 mg · 14% at label max |
| Magtein (Magnesium L-Threonate) | 670 mg | — | — |
Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.
On the label
For: Adult (18 - 50 Years)
Claim types: All Other · Structure/Function
All Other Content: Swanson.com or call 1-800-437-4148
Formulation re: Other: Only form of magnesium shown to cross the blood-brain barrier to promote optimum levels within the brain Supports learning and memory
All Other Content: Science-Backed Quality Since 1969
Suggested/Recommended/Usage/Directions: Suggested Use: As a dietary supplement take one veggie capsule in the afternoon and two veggie capsules in the evening with water.
Brand IP Statement(s) re: (c), (TM), (SM): Magtein (Magnesium L-threonate) is a trademark of Magceutics, Inc. and is distributed exclusively by AIDP, Inc. Magetin is covered by U.S. patents #8,178,118 and #8,142,803 and patents pending.
Precautions re: Children: Warning: For adults only. Keep out of reach of children.
This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.
Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).