How can vegetarians get enough choline and DHA during pregnancy?
If you eat eggs and dairy, choline is easy: two eggs give about 294 mg of the 450 mg daily target. Vegans can get close with soybeans, beans, quinoa and potatoes but often fall short. For DHA, plant omega-3 converts poorly, so algal oil is the practical source. Ask your provider about both supplements, plus B12, iron and iodine.
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The short answer
Choline and DHA are two of the brain's building materials, and both come mostly from animal foods. That doesn't mean a vegetarian or vegan pregnancy can't cover them. It means you plan a little more.
- Choline: eggs and dairy do most of the work. Without them, plant foods get you part of the way, and a supplement may close the gap.
- DHA: the plant omega-3 in flax, chia and walnuts doesn't convert well. Algal oil, DHA made by algae, is the plant-based answer.
The US Dietary Guidelines suggest that vegetarian and vegan pregnant women ask their provider whether they need EPA and DHA. That's a good conversation to have early.
Why these two nutrients matter
Choline helps build the membranes of every new brain cell, is used to make acetylcholine (a chemical messenger involved in memory), and supports normal development of the hippocampus, the brain's learning and memory hub. It's most concentrated in eggs, meat and fish, which is why intake falls fast on a plant-based diet. Even among all US pregnant women, only about 8.5% reach the 450 mg target.
DHA is an omega-3 fat built into brain cells and the light-sensing cells of the eye. The brain keeps collecting it for about the first two years of life.
The two also work together. Choline helps deliver DHA to your baby: in late pregnancy, the body packages DHA into a choline-based molecule that is preferentially sent to the fetus. So covering one helps the other do its job.
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Choline if you eat eggs and dairy
The US target is 450 mg a day in pregnancy and 550 mg while breastfeeding. One large hard-boiled egg has about 147 mg. Milk and yogurt add a steady 40 mg or so per cup. So a lacto-ovo vegetarian day might look like this:
| Food | Choline (mg) |
|---|---|
| 2 hard-boiled eggs | 294 |
| 1 cup 1% milk | 43 |
| 1/2 cup roasted soybeans | 107 |
| 1/2 cup broccoli | 31 |
| Total | 475 |
Cook eggs until the yolk and white are firm. See eggs in pregnancy for easy ways to fit two a day.
Choline if you're vegan
Without eggs it's harder but doable. Good plant sources, per the NIH:
| Food | Serving | Choline (mg) |
|---|---|---|
| Soybeans, roasted | 1/2 cup | 107 |
| Red potato, baked with skin | 1 large | 57 |
| Wheat germ, toasted | 1 oz | 51 |
| Kidney beans, canned | 1/2 cup | 45 |
| Quinoa, cooked | 1 cup | 43 |
| Brussels sprouts, boiled | 1/2 cup | 32 |
| Broccoli, boiled | 1/2 cup | 31 |
| Shiitake mushrooms, cooked | 1/2 cup | 27 |
| Peanuts, dry roasted | 1/4 cup | 24 |
A full vegan day of soybeans, quinoa, kidney beans, a baked potato, Brussels sprouts, broccoli and peanuts adds up to about 339 mg. Good, and still short of 450. Many vegans may need a choline supplement to close the gap.
If you add one, fill only the difference. Look for a label line that says "Choline" with an amount in mg. Be careful with "lecithin," which holds far less choline than its number suggests. Typical choline supplements contain 10 to 250 mg. More on targets and research in choline in pregnancy.
DHA without fish
DHA is concentrated in the brain and retina, and your baby collects it fastest in the third trimester, about 50 mg a day. Your body can turn ALA from flax, chia and walnuts into DHA, but the NIH puts the conversion rate at under 15%, and says eating EPA and DHA directly is the only practical way to raise your levels.
Algal oil is DHA made by algae, which is where fish get theirs in the first place. It suits vegetarians, vegans and people allergic to fish. Doses are usually 100 to 300 mg of DHA, and a small study found algal DHA was absorbed as well as DHA from cooked salmon.
How much? Official advice varies. The European Food Safety Authority suggests an extra 100 to 200 mg of DHA a day in pregnancy. For women with low DHA intake, a clinical guideline and the European obstetricians' board suggest 600 to 1,000 mg a day of DHA plus EPA (or DHA alone), starting by 20 weeks. Omega-3 supplements also have strong trial evidence for helping babies reach term: across 70 trials, they cut early preterm birth by 42%, and the benefit looked biggest in women who started with low omega-3. Your provider can help you pick a dose. Our DHA guide covers labels and timing.
Three more nutrients to check
- Vitamin B12. The target rises to 2.6 mcg a day in pregnancy and 2.8 mcg while breastfeeding. The NIH notes that babies of vegan mothers can run low on B12 early in life. Fortified foods and supplements cut the risk a lot, so ask for a B12 test.
- Iron. Vegetarians need about 1.8 times as much iron, because plant iron is absorbed less well. Pair beans, lentils and tofu with vitamin C, and ask for your ferritin.
- Iodine. Soy and almond drinks contain only small amounts. If you skip dairy, use iodized salt at home and check that your prenatal lists iodine.
Bring your prenatal bottle and a typical day's menu to your next appointment. It makes the conversation much faster.
Do this
- Count your choline for one ordinary day using the tables above.
- If you eat eggs, have two most days, cooked until firm.
- Ask your provider whether you need an algal DHA supplement, and how much.
- Ask for a B12 test and your ferritin level.
- Use iodized salt at home if you don't eat dairy.
When to ask your doctor
Check with your doctor or midwife first if…
- You're considering a choline or DHA supplement (bring your prenatal bottle to the visit).
- You take blood thinners or other prescribed medicines.
- You take metformin, which can lower B12 over time.
Call your doctor now if…
- You feel dizzy or faint, or have overwhelming tiredness.
- You can't keep food or fluids down for 24 hours.
- You have vaginal bleeding, fluid leaking or severe belly pain (call your doctor or 911 now).
This page is general information, not medical advice. Every pregnancy and every child is different. Ask your doctor, midwife or pediatrician before changing supplements, diet or care.
Grow a Genius
In the book: Chapter 8: The Forgotten Nutrient: Choline
Chapters 8 and 9 add up a vegan choline day line by line, compare fish oil with algal oil, and show how to read each supplement label, and The Prenatal Label Decoder puts every nutrient target on one page.
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- 16 printable guides, including the Prenatal Label Decoder
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People also ask
Can flaxseed replace DHA in pregnancy?
Not really. Flax, chia and walnuts contain ALA, which your body turns into DHA at a rate the NIH puts under 15%. They're still good food. For DHA itself, algal oil is the plant-based option. Ask your provider about the dose.
Is algal oil as good as fish oil?
For DHA, it looks comparable. A small study found algal DHA was absorbed as well as DHA from cooked salmon. Algal supplements usually provide 100 to 300 mg of DHA per dose, so check the label and how much you need.
Do vegetarians need a choline supplement in pregnancy?
If you eat eggs and dairy, probably not: two eggs plus milk and some beans can reach 450 mg. A full vegan day of good plant sources adds up to about 339 mg, so many vegans may need a supplement. Talk to your doctor before adding one.
Is a vegan pregnancy safe for the baby's brain?
It can be, with planning. The nutrients to watch are choline, DHA, B12, iron and iodine. With careful food choices, a prenatal that lists iodine, and the supplements your provider recommends, you can cover them.