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🧠 Elevate your mind, naturally — because your brain deserves the best.
Swanson Magnesium L-Threonate delivers 96 mg of magnesium per serving in 90 vegan capsules designed to support nervous system health, cognitive function, memory, and learning. Produced in GMP-certified facilities with third-party testing, this supplement offers a clean, effective formula favored by professionals seeking mental clarity and better sleep.










| ASIN | B005OVKUSW |
| Age Range Description | Adult |
| Best Sellers Rank | #71,782 in Health & Household ( See Top 100 in Health & Household ) #1,266 in Magnesium Mineral Supplements #5,817 in Diet & Sports Nutrition |
| Brand | Swanson |
| Brand Name | Swanson |
| Customer Reviews | 4.4 out of 5 stars 243 Reviews |
| Flavor | Unflavored |
| Item Form | Capsule |
| Item Weight | 105 g |
| Manufacturer | Swanson Ultra |
| Manufacturer Part Number | SWU700 |
| Model Number | SWU700 |
| Number of Items | 1 |
| Primary Supplement Type | Magtein |
| Product Benefits | Muscle and Bone Health |
| UPC | 087614027005 |
| Unit Count | 90 Count |
G**G
I can now sleep through the night!
Exceptional product! I can now sleep through the night and not wake up once! I did not experience a bad taste as others noted. Can’t speak to the memory boost yet. But getting better sleep is the reason I will keep using this product!
A**S
Helps with sleep too
Helps with slerp
L**S
Productos Swanson
Excelente producto, lo recomiendo totalmente
D**N
Suplemento
Lo recomendó me ha ayudado bastante en mi sistema.
K**Y
Takes care of cramps
These have been doing a good job with my nightly cramps. Best taken with food otherwise a bit of stomach upset. Only taking one is taking care of the issue, and extending the money's worth.
K**R
Good night’s sleep
I was having trouble going back to sleep after waking up at night but since starting to take Magtein I’m sleeping like a log. I seem to be dreaming a lot but they’re pleasant dreams. I’ve recommended it to several of my friends too.
M**E
Caution: Allergic reaction
Had an allergic reaction multiple times. After taking only 1 per day for 2-3 days, I had swelling and a rash on my right knee. I wasn't sure what caused it, so I stopped taking these. After a week, with no other symptoms, I thought maybe it was something else that caused it. So I started taking these again, just 1 per day, at night, and after 2-3 days, the same swelling and rash returned to my right knee. I'm not sure what is in these, or if the product label is correct, but I am definitely allergic.
E**Y
Doktor’s recommendation
I recently started taking Swanson Magnesium L-Threonate based on my doctor’s recommendation. It’s still very new, so I need a bit more time to form a clear opinion, but I trust my doctor’s judgment. If they recommended it, I believe there’s a good reason behind it.
Trustpilot
3 weeks ago
3 weeks ago