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🧩 Upgrade your brain game — because your mind deserves the best!
Magtein Magnesium L-Threonate Capsules deliver 2000mg of a patented, highly bioavailable magnesium form clinically proven to cross the blood-brain barrier, enhancing memory, focus, mood, and sleep. Made in the USA with non-GMO, gluten-free ingredients, these veggie capsules offer a premium, research-backed supplement trusted by thousands for cognitive and brain health support.





| Asin | B0B336FCWC |
| Item Model Number | FG377 |
| Manufacturer | Sports Research |
| Product Dimensions | 6.22 x 6.22 x 11.43 cm; 2 g |
User
ÇA FONCTIONNE !
Produit de très haute qualité. J'ai vu un changement dès la première nuit avec seulement une capsule au coucher. Relaxation et sommeil amélioré.
User
Good product
Good price for the quality
User
Good, no adverse side effects, works as expected
Works as intended
User
A premium magnesium supplement!!
A must if you want solid sleep and a great magnesium supplement. Works through the night when you body need it and Sports Research has the highest quality supplements available.
User
Quality product
Top quality product! I’ve been taking another brand of magnesium L-Theronate for about a year with some benefit but not very noticeable. I recently switched to this brand, the difference has been very noticeable…like WOW! I take 3 with dinner and now I’m sleeping deeply through the night, waking up feeling refreshed. My mind feels sharper too, more alert during the day. So glad I found this brand, it’s a winner.
Trustpilot
3 days ago
2 weeks ago