

🧬 Elevate your mind, body & rest — the magnesium upgrade you can’t afford to miss!
Kappa Nutrition’s Powered by Magbrain™ Magnesium L-Threonate delivers 420mg of elemental magnesium per 3 vegan capsules, formulated to enhance brain function, promote restful sleep, and support muscle recovery. Made in the USA in a cGMP-certified facility, this plant-based supplement is third-party tested for purity and quality, making it a top choice for professionals seeking cognitive edge, relaxation, and overall wellness.









| ASIN | B08MTNZH1L |
| Age Range Description | All Ages |
| Best Sellers Rank | #1,490 in Health & Household ( See Top 100 in Health & Household ) #37 in Magnesium Mineral Supplements |
| Brand | KAPPA NUTRITION |
| Brand Name | KAPPA NUTRITION |
| Customer Reviews | 4.7 out of 5 stars 5,889 Reviews |
| Diet Type | Vegan |
| Flavor | Unflavored |
| Item Form | Capsule |
| Item Volume | 1 Liters |
| Manufacturer | Kappa Nutrition |
| Number of Items | 1 |
| Primary Supplement Type | Magnesium |
| Product Benefits | Supports brain health, focus, restful sleep, muscle function, and energy with a highly bioavailable, Magnesium L-Threonate Plant-Based, vegan, non-GMO, and made in the USA. Product Benefits Supports brain health, focus, restful sleep, muscle function, and energy with a highly bioavailable, Magnesium L-Threonate Plant-Based, vegan, non-GMO, and made in the USA. See more |
| UPC | 850053522291 |
| Unit Count | 120 Count |
C**(
Great Sleep
One of the best supplements. Noticed a huge change and a big difference in my sleep and clearer headed.
S**A
The best Magnesium on the market
This magnesium supplement is the best I have ever used. My personal trainer recommended it to me and I would purchase through her company. But when she sold out, she provided me with the link she uses and now I order directly. I've been using this product for about a year now and it is a MUST have product for me as it helps give me energy and speeds up my metabolism. Food digests better and I just think my whole body works better. I ran out and was off of them for about two months, because I always got them from my trainer and had no idea I could get them through Amazon until she gave the link. I gained 5 lbs during this time. I take two capsules daily and have zero side effects. Amazing product!
M**S
The Best Magnesium for My Brain and Sleep – A Nighttime Essential
I started using Magnesium L-Threonate because I was looking for something that truly supports brain health and improves sleep quality, and I can honestly say it has become an essential part of my routine. This form of magnesium is known for its ability to cross the blood-brain barrier, which means it works directly on the brain, helping with memory, focus, mental clarity, and relaxation. One thing I really like is the capsule size. The capsules are easy to swallow, not big or uncomfortable at all. That makes a huge difference for me when taking supplements daily. I always take it at night, right before going to sleep, and I can feel my body naturally winding down. My sleep feels deeper, I wake up less during the night, and I feel more rested the next day. I also notice an overall sense of calm, as if my mind can relax more easily. If you’re looking for a magnesium supplement that goes beyond the basics and truly supports both brain health and sleep, this is one of the best I’ve ever used. I highly recommend it and will definitely keep it as part of my nightly routine.
J**H
hoping for the best
GOOD COMPANY, GOOD PRODUCT
T**D
Need better sleep? Run for these!!!
It used to be so easy for me to wake up to the slightest of noises in the night, and then stay awake for hours because of chatter brain. This Mg has changed all that! I sleep through things that used to wake me up, and if I do inevitably get up, I’ll sleep back in less than five minutes. This is like a miracle to me! My fiancé is taking them too now and he’s sleeping a lot better. I think it’s helping with bowel movement too, but that’s just a bonus. I was more looking for help in the sleep department and got exactly that! Two capsules just before bed and I’m good for the night.
D**.
Fast
Very fast delivery. Product seems to work well.
K**S
Awesome product
This helps with nerve pain. I sleep much better.
L**9
Best supplement yet!
This is the best supplement I’ve tried thus far. My leg muscles tend to ache and get stiff/sore due to fibromyalgia. I’m also diabetic so magnesium is depleted and a supplement is very necessary for me. The magnesium complex in this blend is amazing because within an hour of taking it, I feel a relief from the tension.
Trustpilot
3 weeks ago
3 weeks ago