can I eat green tea?
Green tea is safe during pregnancy in moderation — around 2 to 3 cups a day. It contains caffeine (about 30–50mg per cup), which counts toward your 200mg daily limit, and very large amounts may interfere with folic acid absorption.
why it matters
Green tea's caffeine is modest, but its catechins (notably EGCG) can reduce folate absorption when consumed in large quantities — and folate is especially important in early pregnancy. A few cups a day is comfortably fine; a green-tea-only hydration habit isn't ideal.
how to have it safely
Keep it to 2–3 cups a day, ideally between meals rather than with your folic acid supplement. Matcha is more concentrated — treat one small matcha as two cups of green tea.
worth knowing
- A cup of green tea has roughly 30–50mg caffeine — count it toward the 200mg daily limit.
- Matcha contains more caffeine (60–70mg per serving) and more catechins — moderate accordingly.
- Avoid green tea supplements and extracts in pregnancy — they concentrate the compounds of concern.
- Herbal teas are a separate topic: ginger, peppermint and rooibos are considered fine in normal amounts.
common questions
Can I drink matcha while pregnant?
Yes, in moderation — one matcha a day is fine. It's concentrated whole-leaf tea, so it carries more caffeine and catechins than a brewed cup; count it as roughly double.
Does green tea really affect folic acid?
In large amounts, its catechins can reduce how well folate is absorbed. At 2–3 cups a day the effect is negligible — just don't wash your folic acid tablet down with it.
also in drinks
Aligned with guidance from the NHS, FDA and WHO. This is general information, not personal medical advice — check with your midwife or doctor about your own situation. How we write.