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How a Vegetarian Diet Sets the Stage for Alzheimer’s (and Why You Should Eat More Eggs & Liver!)

liver and onions, b vitamins, dementia, plant based, vegetarian, ibuprofen, liver, bacon, onions, paleo recipe, choline

By Kelley Herring

It seems nearly every week there is a new documentary, promoting the idea that a vegetarian or vegan diet is optimal for your health… and that of the planet. This advice has even made its way into the statements and recommendations of our public health authorities.

Some so-called health “experts” even promote a “plant-based” lifestyle for pregnant and nursing mothers. From verdant green juices and bright-hued smoothies, to colorful, crunchy salads and sweet fruits, expectant mothers are encouraged to eat more fruits and vegetables for the health of their developing child.

Many well-meaning, moms-to-be take this notion a step further, shunning animal products altogether. But ancestral wisdom – and recent research – shows eating a vegetarian diet during pregnancy is one of the WORST things you can do for the long-term health of your child.

One reason for this is a critical nutrient – not vitamin B12 – that is ONLY found in adequate amounts in animal products. This nutrient is vital for developing brains and memory and plays a role in the health of every cell in your body.

And according to the Institute of Medicine, only 10% of Americans consume an “adequate” amount. That means YOU are probably deficient.

Today, you’ll learn about this little-known nutrient, found predominantly in animal foods. We discuss why it is so critical (especially during pregnancy) … plus, how much you need and the best sources.

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The Critical Brain Health Nutrient Lacking in Plant-Based Diets

Extensive research documents the benefits of regenerative farming for the health of the planet and the reduction of carbon emissions. And yet the proponents of vegetarian and vegan diets continue to claim their way of eating is better for the Earth… and better for your health.

But as the research on human nutrition continues to mount, it is clear that a vegetarian diet is inadequate for optimal health. And the deficiencies caused by this way of eating can have dire, long-term consequences.

In fact, the prestigious journal BMJ Nutrition, Prevention & Health recently warned that plant-based diets worsen an already low intake of choline – a critical nutrient involved in brain health.

Because choline is only found in significant concentrations in eggs, organ meats, beef, pork, dairy products, fish, and chicken – with very small amounts in plant foods – those who shun animal products set the stage for deficiency in this long-overlooked nutrient.

Writing in the aforementioned journal, Dr. Emma Derbyshire voices her concern about current trends “towards meat reduction and plant-based diets.” She goes on to state that:

“Given the important physiological roles of choline and authorization of certain health claims, it is questionable why choline has been overlooked for so long in the UK ”.1

Unfortunately, research shows a choline deficiency can set the stage for a wide range of health problems – ranging from Alzheimer’s to cancer. What’s more, new evidence shows that these disease processes can actually begin in the womb when an expectant mother consumes inadequate amounts of choline…

Prevent Alzheimer’s… in the Womb?

Researchers at the University of North Carolina found that choline plays a critical role in helping fetal brains to develop the regions associated with memory.

In the study, researchers divided pregnant mice into two groups. The first group received no choline. The other received feed enriched with 1.1g of choline per kilogram of food.

The group that received no choline experienced changes in the genes that regulate the creation and maturation of neuron cells. This negatively impacted the regions of the brain associated with memory.

Dr. Gerald Weissmann, the Editor in Chief of the FASEB Journal, where this study was published, states:

“This is yet another example showing that good prenatal nutrition is vitally important throughout a child’s entire lifetime.”2

More Brain Cells = Better Memory for a Lifetime

Another study, also performed at UNC at Chapel Hill, reports similar findings.

The researchers discovered that in the presence of adequate choline, stem cells – which are the “parents” of brain cells – divide and reproduce more than they do when choline is scarce or unavailable.

In other words, more choline in the diet equates to more brain cells. This can have profound positive effects on the brain’s physical development in the womb. And it can translate to better memory – for a lifetime!

Speaking of this study, Dr. Steven H. Zeisel, who heads the nutrition department at the UNC School of Public Health & Medicine says:

“We discovered that the diet during pregnancy turns on or turns off division of stem cells that form the memory areas of the brain. Once you have changed formation of the memory areas, we can see it later in how the babies perform on memory testing, once they are born. And the deficits can last a lifetime.”3

These researchers found that the way choline works its “memory-boosting magic” lies in its important role in the process of methylation

Choline: The Methylation Sensation

Methylation is a process that refers to the rather simple (yet profoundly important) transfer of a methyl group – consisting of one carbon atom and three hydrogen atoms (CH3) – from one substance to another.

It might not sound like much, but this process is vitally important to every cell in your body! Methyl groups help cells communicate with each other. They are used to turn genes on and off. They help produce neurotransmitters. And they have been shown to reduce inflammation and boost detoxification.4

It’s no wonder that optimized “methylation” reduces the risk of almost every chronic illness, including cancer, heart disease, depression, Alzheimer’s and more!

And because choline is such a rich source of methyl groups, this vital compound plays an indispensable role in methylation. Without it, every cell, tissue and organ system in your body will suffer.

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Choline: Are You Getting Enough?

Now that you’ve learned how vitally important choline is, you may be wondering:

Am I getting enough?

While humans can produce choline in the liver, the amount your body can naturally synthesize is not sufficient. This compound must be obtained from your diet.5

Unfortunately, according to the Institute of Medicine, only 10% of Americans are consuming an “adequate” amount of choline. Here’s a table illustrating the Adequate Intakes (AI) for Choline, by age and gender:

Up to 6 months125 mg/day125 mg/day
7-12 months150 mg/day150 mg/day
1-3 years200 mg/day200 mg/day
4-8 years250 mg/day250 mg/day
9-13 years375 mg/day375 mg/day
14-18 years550 mg/day400 mg/day450 mg/day550 mg/day
19+ years550 mg/day425 mg/day450 mg/day550 mg/day

Choline Content of Foods

Now let’s take a look at the foods richest in choline to help you achieve these healthy levels…

Unfortunately, most plant foods contain very little choline. So vegetarians are at high risk for deficiency. The richest plant sources are collards, Brussels sprouts, broccoli, crimini mushrooms, asparagus and cauliflower. However, these foods provide only about 17-60 mg per cup, making it difficult to consume anything more than the bare minimum on a vegetarian diet.

Choline-Rich Meal Ideas

Another bit of good news for those who love animal foods is that choline is stable at high temperatures. That means you can enjoy your favorite choline-rich foods cooked, without reducing its concentration or effectiveness. Here are a few delicious meal ideas and the approximate amount of choline they provide:

  • 3 pastured eggs, 2 strips bacon, ½ organic apple cooked with butter and cinnamon (~ 550 mg choline)

  • 6 oz. pastured chicken livers, cooked in 2 Tbsp. butter served with 2 oz. organic berries + 1 Tbsp. organic balsamic vinegar (~740 mg choline)

  • 8 oz. grass-fed beef hamburger, Paleo mayonnaise, Lacto-fermented pickle, 2 cups organic greens (~ 300 mg choline)

  • 6 oz. roasted pork shoulder, steamed broccoli with butter (~ 300 mg choline)

Read more of Kelley Herring’s Health & Wellness articles on our Discover Blog.

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Kelley Herring is the author of the brand new book Keto Breads – which includes more information you need to know about why it is so important to avoid wheat and grains in your diet, plus how to use healthy replacements for these foods to create all the breads you love… without the gluten, carbs and health-harming effects. Click here to learn more about Keto Breads


i Emma Derbyshire. Could we be overlooking a potential choline crisis in the United Kingdom? BMJ Nutrition, Prevention & Health, 2019; bmjnph-2019-000037 DOI: 10.1136/bmjnph-2019-000037

ii Mihai G. Mehedint, Mihai D. Niculescu, Corneliu N. Craciunescu, and Steven H. Zeisel. Choline deficiency alters global histone methylation and epigenetic marking at the Re1 site of the calbindin 1 gene. The FASEB Journal, 2010; 24 (1): 184

iii University Of North Carolina At Chapel Hill. “Scientists Discover Why Not Enough Choline Results In Fewer Brain Cells, Poorer Memory.” ScienceDaily. 18 March 2004.

iv Urnov FD. Methylation and the genome: the power of a small amendment. J Nutr. 2002;132(8 Suppl):2450S-2456S. doi:10.1093/jn/132.8.2450S

v Zeisel SH. Choline. In: Ross AC, Caballero B, Cousins RJ, Tucker KL, Ziegler TR, eds. Modern Nutrition in Health and Disease. 11th ed. Baltimore, MD: Lippincott Williams & Wilkins; 2014:416-26.