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What EVERYONE Gets Wrong About Magnesium Threonate

2026-05-07 Education
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Felix Harder
Felix Harder
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► *Free Resources* The Vitamins That Cured My Chronic Fatigue: https://www.felixharder.net/vitaminlist Liver Detox Guide: https://www.felixharder.net/liver ► *My Programs* Chronic Fatigue Recovery & Practitioner List: https://www.felixharder.net/program Detox Masterclass: https://www.felixharder.net/detox Copper Toxicity Masterclass: https://www.felixharder.net/copper ► *Health Products I Use* Mineral Hair Analysis: https://www.felixharder.net/htma Favorite Magnesium: https://rnareset.com/products/remag-liquid-magnesium?ref=kjcjymfp (code FELIX10 for 10% discount) VNS device: https://www.nurosym.com/FELIX (link includes 5% discount) Sauna (Europe): https://redlightsauna.eu/product/near-infrared-sauna-panel/ (code FELIX10 for 10% discount) Sauna (US): https://theelevateinstitute.com/product/near-infrared-sauna-2/?affiliates=7 (code FELIX10 for 10% discount) ► *Related Videos* How to take magnesium correctly: https://youtu.be/MWP8vfzUsNk ► *Timestamps* 00:00 The Myth 02:09 Magnesium Forms & Absorption 05:10 The Problem W/ Magnesium Threonate 06:30 What Should You Take? Disclaimer: This video is for educational purposes only and does not constitute medical advice. Always seek the advice of your physician.

Top Comments (10)

@euro_wars 2026-05-07

Magnesium l-Threonate is the only form of Magnesium that has helped me go back to sleep after the 3AM wake up

38 19 replies
@betterlivingonabudget 2026-05-07

Excellent explanation of this, I appreciate the way you approached the brain barrier issue and explain things so succinctly yet thoroughly. And yep, I fell for the 'threonate' hype. I have a few pills left and won't buy it again because it's really pricey compared to the other forms.

16
@LonersGuide 2026-05-07

Taking magnesium threonate gives me more vivid and memorable dreams. Also feel like I sleep more deeply.

12 5 replies
@VikingAF1111 2026-05-07

Bisglycinate! Before bed it crosses the blood brain barrier as well, mag threonate pre training gives you awesome focus.

7
@teresamexico309 2026-05-09

For some people a form of Mg will work as for other will not. I do take Mg-bysglicinate and Mg L-threonate and without having a PhD in molecular biology I did think that Mg in either form will eventually pass the brain's blood barrier. Yet, Mg L-threonate (although expensive) does help with memory enhancement and that is priceless. "Magnesium L-threonate (often branded as Magtein®) is a highly bioavailable form of magnesium designed to cross the blood-brain barrier effectively, increasing brain magnesium levels. Studies suggest it improves cognitive functions—specifically memory, learning, and attention—by increasing synaptic density in the hippocampus, boosting synaptic plasticity, and reducing cognitive age" NIH.

7
@Dreambarks 2026-05-07

Thank you for making this clear--the hype just didn't make sense but it seemed like no one wanted to contradict all the authorities promoting l-threonate.

5
@ChudesaBojii 2026-05-08

Conflict with NMDA Receptors (Central Risk)Magnesium L-threonate was developed to increase brain magnesium levels as effectively as possible to enhance synaptic plasticity. It achieves this by interacting with NMDA receptors (excitatory receptors).

5
@natanaelcalderon3937 2026-05-08

It considerably and reliably improves my memory, all 3. I even tried stopping it for 15 days and I got really bad at recalling again.

4
@felix-harder 2026-05-07

► *Free Resources* The Vitamins That Cured My Chronic Fatigue: https://www.felixharder.net/vitaminlist Liver Detox Guide: https://www.felixharder.net/liver ► *My Programs* Chronic Fatigue Recovery & Practitioner List: https://www.felixharder.net/program Detox Masterclass: https://www.felixharder.net/detox Copper Toxicity Masterclass: https://www.felixharder.net/copper ► *Health Products I Use* Mineral Hair Analysis: https://www.felixharder.net/htma Favorite Magnesium: https://rnareset.com/products/remag-liquid-magnesium?ref=kjcjymfp (code FELIX10 for 10% discount) VNS device: https://www.nurosym.com/FELIX (link includes 5% discount) Sauna (Europe): https://redlightsauna.eu/product/near-infrared-sauna-panel/ (code FELIX10 for 10% discount) Sauna (US): https://theelevateinstitute.com/product/near-infrared-sauna-2/?affiliates=7 (code FELIX10 for 10% discount)

3
@Flandria55 2026-05-08

Magnesium threonate causes me terrible nightmares.

2

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