Can prenatal nutrition help support your body against everyday chemical exposure during pregnancy?

A major 2026 study found that pregnant women are exposed to an average of 45 different everyday chemicals, some of which were associated with earlier delivery and lower birth weight. While no supplement can eliminate or block chemical exposure, a strong nutrient-density foundation remains one of the most constructive, evidence-based steps you can take during pregnancy. This is about building resilience through nutrition, not about eliminating every exposure, which experts agree isn't realistic through shopping choices alone.

Always consult your healthcare provider before starting any new supplement, especially during pregnancy, breastfeeding, or while managing a medical condition.

What the research actually found

The study, led by researchers at the UNC Gillings School of Global Public Health and Stanford University School of Medicine and published in JAMA Network Open, analyzed data from more than 5,000 pregnancies and found that pregnant women were exposed to an average of 45 different chemicals, including phthalates, replacement plasticizers, and polycyclic aromatic hydrocarbons.^[1] These chemicals are found in food, water, air pollution, personal care products, fragrances, and other household items.^[1]

According to the study's original publication, gestational exposure to certain priority chemical classes was associated with birth outcomes including earlier delivery and lower birth weight for gestational age.^[2]

Why this doesn't mean panic is the right response

Stanford researcher Tracey Woodruff, a coauthor on the study, has been clear that the responsibility for reducing harmful chemical exposure belongs primarily to manufacturers and regulators, not individual pregnant women trying to shop their way around exposure.^[3] The researchers were explicit that this study does not show that any single product or exposure will harm a particular baby.

Building a nutrient-density foundation during pregnancy

While no supplement counteracts chemical exposure directly, general nutrient adequacy during pregnancy remains foundational to supporting maternal and fetal health.† The NIH Office of Dietary Supplements notes that pregnancy substantially increases nutrient needs across the board, including iron, folate, choline, and vitamin D, and that most pregnant women in the United States don't meet all of these needs through diet alone.^[4]

A comprehensive approach to prenatal nutrient needs

Total Prenatal, designed for preconception through breastfeeding, is a 22-vitamin and mineral blend featuring methylated folate (5-MTHF), iron bisglycinate chelate, and choline, nutrients that support healthy fetal neural tube and brain development and maternal nutrient status during pregnancy.† It's third-party tested at ISO 17025 accredited labs and cGMP-certified.

Practical steps beyond supplementation

Families can also take reasonable, evidence-based steps to reduce unnecessary chemical exposure, such as avoiding heating food in plastic, choosing glass or stainless-steel containers when possible, and selecting fragrance-free personal care products. These steps complement, rather than replace, a nutrient-dense diet and appropriate supplementation.

"Pregnancy already comes with so much you can't control. I want women to feel like good nutrition is one thing they can lean into with confidence, something backed by real science and held up in prayer, not another source of anxiety."

— Amy Suzanne Upchurch, Founder and CEO of Pink Stork

A grounded approach to this topic

• Focus on what you can control: nutrient-dense meals, prenatal supplementation, and reasonable reductions in plastic and fragrance exposure where practical
• Avoid heating food in plastic containers, and choose glass or stainless steel when you can
• Talk to your provider about your specific prenatal nutrient needs rather than trying to address chemical exposure through supplementation alone
• Remember that no single exposure or product determines a pregnancy outcome; this research reflects population-level associations, not individual predictions

Frequently asked questions

How many chemicals are pregnant women typically exposed to?

A 2026 study found that pregnant women in the study were exposed to an average of 45 different chemicals, with some participants testing positive for as many as 64.

Can I fully avoid these chemical exposures during pregnancy?

Not entirely. Researchers note these chemicals are difficult to avoid because they're present in a wide range of everyday products, and the primary responsibility for reducing exposure belongs to manufacturers and regulators, not individual choices alone.

Does prenatal nutrition prevent the effects of chemical exposure?

No. Prenatal nutrition does not prevent or counteract chemical exposure. It supports general maternal and fetal nutrient needs during pregnancy, which is foundational regardless of exposure levels.†

Should I be worried this study means something is wrong with my pregnancy?

No. The researchers were explicit that this study does not show any single chemical or product will harm a specific baby. It reflects broad population associations, not individual predictions.

What practical steps reduce chemical exposure during pregnancy?

Avoiding heating food in plastic, using glass or stainless-steel containers, choosing fragrance-free personal care products, and reducing exposure to tobacco smoke and indoor air pollution are reasonable, evidence-informed steps.

† 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. Always consult your healthcare provider before starting any new supplement, especially during pregnancy, breastfeeding, or while managing a medical condition. Keep out of reach of children.