Is it safe? · Pregnancy Smart

Are chlorophyll drops safe during pregnancy?

Assigned clinical reviewerMatt Stahl· PharmDDraft · pending clinical reviewUpdated August 28, 2026

Use with caution

Reasonable for many people in modest amounts, though the pregnancy evidence is thin or dose-dependent. Worth a quick word with your provider.

The short answer · Are chlorophyll drops safe during pregnancy?

Chlorophyll drops, usually a semi-synthetic form called sodium copper chlorophyllin rather than plant chlorophyll itself, have not been studied specifically in pregnancy, so their safety at typical wellness doses is unclear. Because dietary supplements aren't reviewed by the FDA before sale, talk with your healthcare provider before adding them to your routine.

This is a working draft: sourced from published clinical guidance and awaiting sign-off from its assigned clinician. It isn't personal medical advice, so consult your healthcare provider before changing anything in pregnancy.

What does the evidence say about chlorophyll drops during pregnancy?

Many dietary supplements, including trendy ones like chlorophyll drops, have never been specifically tested in pregnant women, which is a real gap when weighing whether to start one. 1
Outside of a few specific categories, the FDA is not authorized to review dietary supplements for safety and effectiveness before they reach store shelves, so a labeled dose isn't independently verified before it's sold. 1
What's actually in a bottle of liquid chlorophyll is typically sodium copper chlorophyllin, a semi-synthetic, water-soluble version made by replacing chlorophyll's magnesium with copper, not the fat-soluble chlorophyll naturally found in plants. 2
Chlorophyllin is described as fat-soluble chlorophyll's more water-soluble, hydrophilic cousin once the central magnesium ion is swapped out, which is why it dissolves into drops and drinks instead of staying bound up in a plant's fatty tissue. 3
Published preclinical toxicology on chlorophyllin has evaluated single-dose and 28-day repeat-dose toxicity in mice and rats, but it does not include dedicated reproductive or developmental toxicity studies, so there's no animal or human safety data that speaks directly to pregnancy. 4

Is chlorophyll drops safe in each trimester?

First trimester. The first trimester is when fetal organs are forming, which is exactly when going without solid safety data matters most. Since no pregnancy-specific research exists on chlorophyllin drops, this is the trimester to be most conservative about starting something new and unstudied.
Second trimester. No new pregnancy safety research on chlorophyll drops emerges later in pregnancy either. If you're drawn to them for a specific reason, like more energy or less body odor, that claim hasn't been tested in pregnancy any more than the underlying safety has.
Third trimester. Any new digestive symptom, like looser stools or stomach cramping, can be harder to sort out from ordinary late-pregnancy digestive changes. If something feels off after starting drops, stopping and mentioning it at your next visit is a reasonable step.

Chlorophyllin doses used in published human research

Study context	Dose	Notes
General chlorophyllin research	About 300 mg per day	Not a pregnancy study; cited in a broad chlorophyll and chlorophyllin review
Aflatoxin exposure trial	100 mg, three times daily, for 4 months	A clinical trial in a non-pregnant population, unrelated to typical wellness-brand liquid chlorophyll dosing

Frequently asked questions

Is liquid chlorophyll safe during pregnancy?

It hasn't been specifically studied in pregnancy, so no one can say with confidence either way. Most bottles contain chlorophyllin, a modified, water-soluble version of chlorophyll, and dietary supplements like it reach shelves without FDA review of their safety. Loop in your provider before starting one.

Can chlorophyll drops help with morning sickness?

There's no published research testing chlorophyll drops for morning sickness specifically. Options with real pregnancy trial data behind them, like ginger, are far better studied for nausea support.

Does chlorophyll water have side effects?

A large review of chlorophyll and chlorophyllin research describes decades of human use with no reported adverse effects at studied doses. That said, any new supplement can cause an individual reaction, and none of that research was designed around pregnancy.

Is chlorophyll safe in early pregnancy?

The first trimester is when major organs are forming, which is exactly when the lack of pregnancy-specific safety data on chlorophyllin drops matters most. It's a reasonable trimester to wait on starting something unstudied.

Is liquid chlorophyll safe while breastfeeding?

The same gap applies here: NCCIH notes many dietary supplements haven't been tested in pregnant or nursing women. Check with your baby's pediatrician or your own provider before using chlorophyll drops while breastfeeding.

References

Using Dietary Supplements Wisely (NCCIH)
NIH · https://www.nccih.nih.gov/health/using-dietary-supplements-wisely
Enhancing Health Benefits through Chlorophylls and Chlorophyll-Rich Agro-Food: A Comprehensive Review
PMC · https://pmc.ncbi.nlm.nih.gov/articles/PMC10384064/
Diesel Particulate Matter (DPM)-Induced Metabolic Disruption in Mice Is Mitigated by Sodium Copper Chlorophyllin (SCC)
PMC · https://pmc.ncbi.nlm.nih.gov/articles/PMC11858186/
Preclinical evaluation of sodium copper chlorophyllin
PMC · https://pmc.ncbi.nlm.nih.gov/articles/PMC12511210/

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.