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🧬 Unlock your brain’s full potential & sleep smarter tonight!
Kappa Nutrition’s Magnesium L-Threonate delivers a potent 420mg elemental magnesium dose per serving, designed to cross the blood-brain barrier for enhanced cognitive function, memory, and focus. This vegan, plant-based formula also supports restful sleep, muscle recovery, and cardiovascular health. Manufactured in a cGMP-certified Texas facility, it undergoes rigorous third-party testing to ensure purity and potency, making it a top-tier choice for professionals seeking holistic brain and body wellness.









| ASIN | B08MTNZH1L |
| Age Range Description | All Ages |
| Best Sellers Rank | #1,796 in Health & Household ( See Top 100 in Health & Household ) #46 in Magnesium Mineral Supplements |
| Brand | KAPPA NUTRITION |
| Brand Name | KAPPA NUTRITION |
| Customer Reviews | 4.7 out of 5 stars 6,250 Reviews |
| Diet Type | Vegan |
| Flavor | Unflavored |
| Item Form | Capsule |
| Item Volume | 1 Liters |
| Manufacturer | Kappa Nutrition |
| Manufacturer Part Number | MAG2617 |
| 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 |
L**A
Great supplement
These work great and help me sleep. Will be buying more, I’m on my third bottle
C**K
Good product
I like this product. I take it 1/2 hour before bed and I sleep well. Good price too.
P**R
Higher quality than I realized.
I often load screenshots of Supplement labels to Chat GPT for an analysis, before or after buying. I did that with This one and then spent sometime drilling down on it. Chat GPT gave it a very favorable review, even saying that this manufacturer has a sophisticated understanding of how different magnesiums work in the body. I bought this one for the L-Threonate, but it turns out that it also provides Glycinate anf Malate which combine to cover a spectrum of physiological needs. ChatGPT was also complimentary of the Magtein for; Testing, Human Reaearch, and Manufacturing specs. I'm very pleased with this and will order again when I run low.
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.
S**A
Love it, check for interactions
Love this! However make sure to review all medication/vitamins you are taking. I take synthroid and the interaction if taken within 4 hrs of each other, caused my heart to flutter, chest pain, and headaches. Also if taken with blood pressure meds it can cause adverse reactions. I WILL SAY, IT IS AMAZING AT HELPING WITH BRAIN FOG, SLEEP, AND ALERTNESS! I LOVE IT WISH I COULD TAKE IT STILL.
T**P
Does what it’s supposed to!
Great magnesium supplement. If I take it at night, though, I can’t sleep. But otherwise, no gut issues, and it gives me great energy throughout the day.
F**E
Great combo. It’s exactly what I needed
This is the best oral version of magnesium I have found. The different types within it have really helped me to recover long-depleted minerals. Taking dose at night before bed has calmed restless tingly legs beautifully. This has been in my supplement daily regimen for two years now and I have no plans for changing it.
5**2
Good for my memory
I've been taking the Magnesium L-Threonate for 5 years or more, I stopped for about 6 months and finally realized just how much it helped my memory and sharpness, so now I take it daily without fail. I'm 66 and feel so much more alert and my mind feels clear again. Thank you, Kappa. 😀
M**E
great and effective
my doc suggested this supplement to support my health, really effective
O**S
El mejor magnesio
Este tipo de magnesio me ha funcionado muchísimo para diferentes situaciones, para conciliar el sueño, para ayudar a mis músculos y ligamentos. Lo Super recomiendo
B**A
De buena Calidad.
Es lo que necesitaba
D**M
Recomendado
Uno de los mejores que he probado. Recomendado al 100%
M**T
Buen producto, no tiene sabor y se toma fácil.
No sabe a nada eso es bueno
Trustpilot
3 weeks ago
2 weeks ago