Deficiency/Women/Cognition

Choline

Essential nutrient for liver, brain, and pregnancy support; many adults don't reach adequate intake from food alone.

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Overview

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Quick Take

Worth it if your diet is low in eggs or liver — especially during pregnancy or if liver markers are a concern.

Choline is an essential nutrient found in eggs, liver, soybeans, meat, fish, and wheat germ. It is used to make phosphatidylcholine for cell membranes and VLDL export from the liver, and to make acetylcholine for nerve signaling; it also donates methyl groups through betaine. The best-supported benefits are supporting fetal neurodevelopment in pregnancy, helping prevent fatty liver in low-intake states, and modestly lowering homocysteine. People who eat few eggs or organ meats, vegans, and pregnant or breastfeeding women benefit most.

Potential benefits

Supports fetal neurodevelopment

Helps prevent fatty liver

May lower homocysteine

May support memory

May support muscle function

Protocol

Amount

250-500 mg

Frequency

Once daily

When

With a meal; any time of day if well tolerated.

Onset Time

2-4 weeks for biomarkers; 8-12 weeks for liver or cognition changes.

Who Should Consider

Pregnant or breastfeeding women

Vegans and vegetarians

People who rarely eat eggs or liver

People with fatty liver or elevated ALT/AST

Adults with elevated homocysteine

Food Sources

Beef liver (~360 mg per 85 g serving)
Eggs, large (~147 mg per egg, mostly in yolk)
Soybeans, roasted (~107 mg per 1/2 cup)
Chicken breast (~72 mg per 85 g serving)
Wheat germ (~50 mg per 1/4 cup)

How It Works

Choline is a precursor to phosphatidylcholine and acetylcholine. Phosphatidylcholine is required for cell membranes and VLDL assembly, which helps move fat out of the liver, while acetylcholine supports memory, muscle activation, and autonomic signaling. Choline can also be oxidized to betaine, which helps regenerate methyl groups and lower homocysteine.

Updated 5/19/2026