Choline
Choline in capsules, powders and drops: choline bitartrate, citicoline, alpha-GPC and phosphatidylcholine from lecithin. We explain how the forms differ, which dose is usual and who benefits most from each.Read more →
Filters
Availability
Brand
Form
Diet
Goal
Price
Choline supplements: forms, dosage and who they suit
What choline is and why intake varies so much
Choline is a nutrient your body makes only in small amounts, so most of it has to come from your diet. Eggs, liver, fish, soya, chickpeas and wheat germ are the richest sources. Your body uses choline to build phosphatidylcholine, a fat that forms part of every cell membrane, and acetylcholine, a messenger between nerve cells. EFSA, the European food safety authority, has approved three claims: choline contributes to normal lipid metabolism, to normal homocysteine metabolism and to the maintenance of normal liver function. Anything beyond those three is marketing, not evidence.
Intake differs widely between people. Eat eggs most days and you are probably close to the reference intake of 400 mg. Eat mainly plant-based, or skip eggs and fish, and you may sit well below it. That gap is the usual reason people start looking at choline among our dietary supplements.
The forms are not interchangeable
Two products can both say "choline" and still behave differently, because they differ in how much choline they actually deliver per capsule and in how the body handles them.
- Choline bitartrate: a simple salt, roughly 41% choline by weight. The plain, affordable way to top up daily intake.
- Phosphatidylcholine, usually from sunflower or soya lecithin in powder and granules: less choline per gram, but easy on the stomach and simple to stir into food.
- Citicoline (CDP-choline): choline joined to cytidine, most used in cognition research, typically 250 to 500 mg per day.
- Alpha-GPC: a phospholipid form, common in pre-workout and focus formulas, usually 300 to 600 mg per day.
How we choose the choline we stock
We look at three things before a choline product goes live: the form, the amount of choline it really delivers, and whether the combination makes sense. A citicoline capsule at 250 mg is a considered dose. Fifty milligrams of choline bitartrate tucked into a long ingredient list is filler, so we leave those products out. We buy directly from the brands, without intermediaries, so you know what you receive is authentic. Every product passes our compliance team, we test products ourselves, and independent labs spot-check batches. You can read how we select brands and products.
Who choline suits, and what to expect
Choline is worth considering if you rarely eat eggs, liver or fish, if you eat vegan, or if you are pregnant or breastfeeding and want to cover a higher requirement. Citicoline and alpha-GPC are mostly bought by people who train hard or who are browsing our pages on memory and concentration. Be honest with yourself there: no claim for cognition is approved in Europe and the studies are mixed, so keep expectations modest and judge the product on the choline it delivers.
Practical points matter more than the label design. Take choline with a meal, split larger amounts over the day, and give it two to three weeks of consistent use before you decide. Very high single doses can cause a fishy body odour or a loose stomach. That is a reason to lower or split the dose, not a reason to avoid choline altogether. If you use prescribed medication, check with your doctor or pharmacist first.
Frequently asked questions
What is choline and what does it do in the body?
Choline is a nutrient your liver produces only in small amounts, so your diet supplies most of it. Your body turns it into phosphatidylcholine, part of every cell membrane, and into acetylcholine, a signal carrier between nerve cells. In Europe three claims are approved: choline contributes to normal lipid metabolism, to normal homocysteine metabolism and to the maintenance of normal liver function. Claims about memory or mood are not approved, however often you see them online.
Which foods contain the most choline?
Egg yolk and liver are the densest everyday sources. After those come fish, chicken, beef, milk, soya, chickpeas, beans, quinoa and wheat germ. Two eggs already cover a large part of a typical daily reference intake. That is why intake usually drops when someone stops eating eggs, fish and meat. If your diet is largely plant-based, choline is one of the nutrients worth checking, along with vitamin B12 and iodine.
How much choline do I need each day?
The UK does not set a reference nutrient intake for choline, so European adequate intake values from EFSA are the usual reference. They describe the amount that appears sufficient for most healthy people, not a target you must hit every single day.
| Group | Adequate intake per day |
|---|---|
| Children 1-3 years | 140 mg |
| Children 4-6 years | 170 mg |
| Children 7-10 years | 250 mg |
| Children 11-14 years | 340 mg |
| Teens 15-17 years | 400 mg |
| Adults | 400 mg |
| Pregnancy | 480 mg |
| Breastfeeding | 520 mg |
Which choline form should I choose?
Start from your goal, then look at how much choline the product actually delivers. Bitartrate is the value option for filling a dietary gap. Citicoline and alpha-GPC cost more per capsule because the raw material costs more, and they are the forms used in cognition and sport studies.
| Form | What it is | Suits |
|---|---|---|
| Choline bitartrate | Simple choline salt | Topping up daily intake |
| Phosphatidylcholine | From sunflower or soya lecithin | Sensitive stomachs, powders |
| Citicoline | Choline plus cytidine | Focus formulas |
| Alpha-GPC | Phospholipid choline | Training and pre-workout use |
When is the best time to take choline?
Take it with a meal. Choline is absorbed fine on an empty stomach, but food reduces the chance of nausea, and a meal is simply easier to remember. If you use a larger amount, split it into two servings, for example morning and midday. People who use citicoline or alpha-GPC for focus usually take it earlier in the day. Timing matters far less than taking it consistently for a few weeks.
Can choline cause side effects such as a fishy smell?
At high intakes some people notice a fishy body odour, sweating, a lower blood pressure feeling or a loose stomach. This comes from bacteria in the gut converting excess choline into trimethylamine, which has that smell. EFSA has not set a formal upper limit for choline, so the practical rule is simple: stay near normal supplement doses, take it with food, and split larger amounts. Lowering the dose usually resolves the smell.
Is choline suitable during pregnancy or breastfeeding?
The requirement is higher in these periods: 480 mg per day in pregnancy and 520 mg while breastfeeding. Food comes first, and eggs are the easiest source. Note that liver is very rich in choline but the NHS advises against liver in pregnancy because of its vitamin A content. If you are considering a supplement, discuss it with your midwife or GP, and see our pages for pregnancy and breastfeeding.
Is choline the same as lecithin, and how does alpha-GPC differ?
No. Lecithin is a mixture of fats that contains phosphatidylcholine, and phosphatidylcholine contains choline. A gram of lecithin therefore delivers only a fraction of a gram of choline, which is why lecithin dosing is in grams and bitartrate dosing in milligrams. Alpha-GPC is also a phospholipid form, but a purified single molecule rather than a mixture, and it crosses into the brain more readily. That is why sport and cognition studies use alpha-GPC, not lecithin.
