Research review
Hops: what the research does and doesn't show
Hops' sleep, appetite and safety research is covered in depth elsewhere on this site. This page focuses on what the same trial literature does and doesn't say about pregnancy and breastfeeding, where no dedicated human safety data exists.
Hops' sleep, appetite and safety research is covered in depth elsewhere on this site. The one gap the trial literature doesn't fill: pregnancy and breastfeeding, where no dedicated safety data exists.
What the evidence doesn't support
It doesn't support any specific guidance on hops use during pregnancy or breastfeeding, because no trial has included either group. It also doesn't change anything already established elsewhere on this site: hops isn't shown to work as a stand-alone treatment for a sleep disorder, and a general hops supplement isn't shown to cause weight loss — see hops benefits: what the research does and doesn't show for that fuller picture.
What the trials found
Every human trial behind hops' sleep and appetite research — the insomnia trial, the valerian-hops sleep trial, and the bitter-hop-extract appetite trials covered on hops benefits — enrolled adults who weren't pregnant or breastfeeding. A national reference database (LactMed) states there's no data on how hops' components pass into breastmilk or on the safety of hops in nursing mothers or infants, and notes some sources recommend avoiding hops while breastfeeding specifically because of its phytoestrogen content — see who should not take hops for the fuller safety picture, including hops' documented estrogenic compound.
Questions people ask
Is hops extract safe during pregnancy?
No published safety data exists either way — no trial behind hops' research included pregnant people. That's an absence of data, not a finding of safety or danger. Ask a doctor before taking hops, or any supplement, during pregnancy.
Is hops extract safe while breastfeeding?
A national reference database states there's no data on hops' safety for nursing mothers or infants, and notes some sources advise avoiding it during breastfeeding because of its phytoestrogen content specifically. See who should not take hops.
When to talk to a doctor
Hops is not a treatment for a sleep disorder or for weight loss. If you're pregnant, breastfeeding, or take medication for any condition, talk to a doctor before adding hops or any other supplement — see hops and medications: what to check.
Related reading: hops benefits: what the research does and doesn't show, who should not take hops, and hops side effects.
Sources
- Hops A national reference database describes hops as containing bitter acids, flavonoids, phytoestrogens and essential oil, notes its GRAS food status, and describes sedation as a known effect and allergy as rare.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.