Choline
Supports cell membranes, acetylcholine, liver function, and early brain development.
Why it matters
Choline is needed to make phospholipids in cell membranes, the neurotransmitter acetylcholine, and compounds that help move fat out of the liver. It is especially important during pregnancy and early development.
- Helps build and maintain cell membranes.
- Supports acetylcholine production for nerves and muscles.
- Helps the liver package and move fat normally.
If intake is too low
People can go low on choline when intake stays poor for long enough, especially during life stages with higher demand. Deficiency can contribute to liver and muscle damage.
- Fat buildup in the liver and abnormal liver tests.
- Muscle damage or weakness when deficiency is more severe.
- Higher concern during pregnancy because choline supports fetal brain and spinal cord development.
If intake is too high
Very high choline intake from supplements can cause side effects. Excess can lead to fishy body odor, sweating, stomach upset, low blood pressure, and liver-related problems.
- Fishy body odor, sweating, and salivation.
- Nausea, diarrhea, or stomach distress.
- Low blood pressure and liver-related problems at very high intakes.
Adult upper limit: 3,500 mg/day
The upper limit is meant to reduce side effects from excessive supplemental intake rather than normal food intake.
Common food sources
Choline is concentrated in eggs and animal foods, but some legumes, soy foods, and cruciferous vegetables contribute too.
- Eggs, especially yolks
- Beef, liver, chicken, and fish
- Soybeans, Brussels sprouts, broccoli, and some legumes
Who may need closer attention
Choline deserves closer attention during pregnancy and when diets are very low in eggs, meat, or soy foods.
- People who are pregnant or breastfeeding
- People eating very few eggs, meats, or soy foods
- Anyone using a stand-alone cognition product on top of a multivitamin or prenatal
Use extra caution if
Small details change the risk picture with nutrients more than most people expect.
You are pregnant, breastfeeding, or using a high-dose cognition or pre-workout product. Choline is important, but several products can stack it faster than people realize.
Supplement and label notes
Useful context when this nutrient shows up across more than one product.
- Choline is not included in every multivitamin, so intake can be lower than people assume.
- Labels may use choline bitartrate, phosphatidylcholine, citicoline, or alpha-GPC in different product categories.
- Brain-health or pre-workout products can add meaningful amounts of choline on top of a prenatal or daily multi.
Daily Value targets in SuppMap
These are the same label-style Daily Value targets used in the app.
Official references
These pages were used to draft the summaries on this guide.
Educational only. These pages are not a diagnosis or a substitute for personal medical care.
More guides
Keep moving through the rest of the Daily Value chart from here.