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The #1 Most Important Brain Nutrient EVERYONE Is Deficient In

2026-05-05 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 choline: https://youtu.be/zc4MyeJVEyU ► *Timestamps* 00:00 Introduction 02:54 General Health Benefits 04:48 Neurotransmitters Benefits 06:47 Why Everyone Is Deficient 07:52 Supplements Disclaimer: This video is for educational purposes only and does not constitute medical advice. Always seek the advice of your physician.

Top Comments (10)

@stever3D2000 2026-05-06

Save you all 10 minutes: 1 Choline 2 Vitamin D 3 Magnesium

625 49 replies
@userdjee834 2026-05-05

Choline

249 4 replies
@interqward1 2026-05-06

9 out of 10 people are deficient in their brains. Yes, this is true.

148 8 replies
@chade8888 2026-05-06

Summary: This video explores choline, an essential but frequently overlooked nutrient that is vital for brain health and cognitive function (0:00 - 1:45). Despite its importance, about 90% of people do not meet the recommended daily intake (1:49 - 1:54). Why Choline is Critical: • Building Block for the Brain: The brain is roughly 60% fat, specifically phospholipids. Choline is a key component of phosphatidylcholine, which is required to build and maintain healthy cell membranes (2:54 - 4:45). • Neurotransmitter Production: Choline is essential for producing acetylcholine, a neurotransmitter involved in memory, learning, and attention. Low levels are associated with brain fog and poor word recall (4:48 - 5:29). • Liver Health: Choline helps move fat out of the liver. When deficient, fat accumulation can impair the liver's ability to process toxins and old neurotransmitters (5:30 - 6:05). Sources and Deficiency: • Dietary Sources: Egg yolks are one of the densest sources of choline, providing 250-300mg per two eggs. Other sources include liver, red meat, chicken, fish, and dairy (7:21 - 7:36). • Risk Factors: Those following a vegan or vegetarian diet, or those on a very low-fat diet, are at a much higher risk of deficiency (7:40 - 7:51). • Supplementation: While supplements exist (such as Alpha-GPC or CDP-choline), the creator advises caution regarding choline bitartrate due to its potential connection to TMAO levels, suggesting that whole-food sources are the safest and most effective way to improve intake (7:52

97 12 replies
@kjlkathandjohn6061 2026-05-06

Not choline, but D3. Vitamin D plays a critical role in brain health by assisting in the genetic regulation of acetylcholine synthesis. When levels are below 20–30 ng/mL, the following impacts on the cholinergic system (acetylcholine) may occur: Decreased Synthesis: Research indicates that Vitamin D deficiency can lead to a significant decrease in acetylcholine levels. Reduced Neuroprotection: Low Vitamin D levels are associated with increased neuro-inflammation and cognitive impairment, potentially reducing the overall efficiency of cholinergic neurotransmission. Reduced Signaling Efficiency: While acetylcholine still functions, a deficiency may impair the overall efficiency of synapse formation and neurotransmission, especially in the hippocampus.

62 4 replies
@mikel4879 2026-05-06

CHOLINE, found especially in chicken eggs.

36 3 replies
@randomtube8226 2026-05-06

Actually the number one nutrient for the brain is oxygen. Without it permanent brain damage occurs.

26 3 replies
@felix-harder 2026-05-04

► *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)

16
@ChrisPGreen 2026-05-06

I appear to experience a healing effect just from listening to Felix.

14 2 replies
@chodnejabko3553 2026-05-06

IN THEORY Eggs are great source of many things, but often I wonder how much of nutrients there actually are in the modern mass produced egg.

12 1 replies

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