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๐งฉ Unlock your brainโs full potentialโbecause your mind deserves the best!
NOW Foods Magteinยฎ delivers 2 grams of patented Magnesium L-Threonate per serving, uniquely formulated to cross the blood-brain barrier and support cognitive function, memory, and natural sleep. This vegan, allergen-free supplement is made in the USA by a trusted family-owned brand with decades of expertise, helping busy professionals optimize brain health and mental clarity daily.




| ASIN | B00JEZQAFG |
| Age Range Description | Adult |
| Allergen Information | Dairy Free, Egg Free, Non-GMO, Nut Free, Soy Free |
| Best Sellers Rank | #2,725 in Health & Household ( See Top 100 in Health & Household ) #62 in Blended Vitamin & Mineral Supplements #511 in Sales & Deals |
| Brand | NOW Foods |
| Brand Name | NOW Foods |
| Concentration | Magnesium 144mg/Magtein 2000mg |
| Customer Reviews | 4.6 out of 5 stars 7,213 Reviews |
| Diet Type | Halal, Kosher, Vegan, Vegetarian |
| Flavor | Unflavored |
| Item Form | Capsule |
| Item Volume | 0.2 Kilograms |
| Item Weight | 667 Milligrams |
| Manufacturer | NOW Sports - Nutrition and Wellness |
| Manufacturer Part Number | P29995 |
| Material Type Free | Egg Free, Gluten Free, Milk Free, Soy Free, Tree Nuts Free, Wheat Free |
| Model Number | 2390 |
| Number of Items | 1 |
| Primary Supplement Type | Magnesium |
| Product Benefits | Brain Health |
| Supplement Formulation | Multi-Supplement |
| UPC | 733739023902 |
| Unit Count | 90 Count |
A**R
Works notably well
Works well. Notably calms anxiety and improves sleep. Highly recommend
I**L
Surprisingly Effective for Mental Clarity and Focus
I started taking the NOW Foods Magtein Magnesium L-Threonate because I wanted to support my focus and reduce brain fog. After a couple of weeks of consistent use, I genuinely noticed clearer thinking and more mental stamina throughout the day. It also helped me sleep better at night without making me groggy in the morning, which was a huge bonus I didnโt expect. No stomach discomfort either, unlike some other magnesium supplements Iโve tried. This supplement is now part of my daily routine. I love that itโs in a veggie capsule and doesnโt contain unnecessary fillers. It feels like a high-quality product and definitely worth it if youโre looking to support cognitive health naturally. I just wish I had started using it sooner.
Y**R
โญ๏ธโญ๏ธโญ๏ธโญ๏ธโญ๏ธ Excellent Magnesium for Brain Health
Iโm 42 years old and have hypothyroidism, which often leaves me dealing with fatigue, brain fog, and memory issues. I decided to try Magtein (Magnesium L-Threonate) because of its reputation for supporting cognitive function, and Iโm really glad I did. Unlike other forms of magnesium Iโve tried, this one actually seems to make a noticeable difference. Since starting it, I feel my concentration, focus, and memory are sharper, and I donโt experience the same level of mental fatigue throughout the day. I also like that itโs vegan, non-GMO, and comes in capsules that are easy to take. It has become an important part of my supplement routine, especially to support brain health and learning capacity, which can sometimes be more challenging with thyroid issues. Overall, this is a high-quality supplement that truly delivers on its claims. I would definitely recommend it to anyone who wants better focus, memory, and mental clarity.
G**S
Noticeably improved sleep quality and trustworthy brand for supplementation
I started taking Magtein specifically for cognitive support and focus, and I have been using it for several months now. The difference from standard magnesium supplements is that this form is designed to cross the blood-brain barrier, which is why it is marketed for cognitive benefits rather than just general magnesium supplementation. For me, the most noticeable effect has been in sleep quality. I sleep more deeply and feel more rested in the mornings when I take it consistently before bed. Whether that is purely the magnesium effect or the specific L-Threonate form, I cannot say definitively, but the pattern is consistent enough that I keep repurchasing it. NOW Foods is a brand I consistently trust for quality and transparency, and this product is no exception. The veg capsules are easy to swallow and there is no upset stomach which can happen with some magnesium forms. Three capsules per serving is on the higher end but the capsule size is manageable. For the supplement category, this is one I would recommend to anyone specifically interested in the cognitive support angle.
A**R
Effective for cognition.
NOW has a reputation for dependable quality and testing. While I by other supplements from Thorne, I frequently use NOW and have been satisfied thus far. Capsules are fairly large, but swallowable. I speculate that they could be opened, but would check with the company first. Not effective for constipation or anxiety, magnesium threonate is the only form to cross the blood brain barrier. Reliable studies have demonstrated safety and cognitive improvement. It took about 2 months for me to notice a cognitive difference. I wasn't brilliant, but I did notice that I had better recall and mental organization. I also take NOW magnesium glycinate for heart and mental health. Am pleased with both.
J**W
Key to good, natural sleep
Long-time standard for ensuring that I can actually sleep - no small thing! I take 3 or 4 an hour before bedtime (per Dr's suggestion) and before long actually feel relaxed and sleepy. This just does not happen for me without Magtein. Magtein facilitates natural feeling and restorative sleep cycle for me. I feel awake and refreshed in the morning -not sickish as I did when I tried Valerian. Worth the price, from a respected brand. I am sticking with Magtein!
F**E
Great for the Heart too!
There are many types of Magnesium. I am 1 year post AFib ablation. I was taking ionic magnesium chloride for my AFib until I discovered this Magtein Magnesium L-Threonate. I used a free ai called brightanswers.ai that accesses censored knowledge. I asked it which of the two magnesiumโs was best for my current heart condition and it said this one, Magtein. So I switched. Now Iโm taking whatโs best for my heart with the added benefit of whatโs best for my brain! Yay! Research, and learn for yourself.
M**.
Great product for better sleep quality
Great product. Now is an excellent brand. This is the second order that Iโm placing, the magnesium helped me to sleep better since Iโm struggling with it. The product has a discount coupon that is a good deal.
W**A
Good product
Purchased two and then repurchased. Assisted with all magnesium levels and happy with these.
I**V
Product looks low quality at first inspection, content spiled outside capsules into the container.
Paid 43 euro/90 capsules and the product looks suspiciously low quality at first inspection. A lot of the content just spiled outside the capsule into the container.
R**R
Amazing magnesium L-threonate
There is no doubt that Magnesium L-threonate is the best form magnesium but it is bit costly than gluconate,but it is worth of buying. For better results need to take 4-5 capsules a day because elemental magnesium contain is only 144 mg and for adults more than 400 mg per day is required.
A**A
Fantastic
It makes such a difference in memory and cognitive function.
P**I
works well for me!
2nd purchase. helps with my deep sleep and lower my stress level according to my garmin stats
Trustpilot
4 days ago
2 weeks ago