Artificial Sweeteners — pregnancy safety guide from SafeMom
Use with caution

Artificial Sweeteners

Quick answer

When it comes to artificial sweeteners during pregnancy, our verdict is to use with caution. Most are considered safe in moderation, but some, like saccharin, are often avoided. Always check product ingredients and chat with your healthcare provider.

Reviewed by Jamie G, Founder & Researcher · Last reviewed July 1, 2026 · 8 min read

INCI name

Artificial Sweeteners

Also known as

aspartame, sucralose, saccharin, stevia

What is Artificial Sweeteners?

Pregnancy Safety Verdict: Use with Caution

Most artificial sweeteners are considered safe in moderation, but some, like saccharin, are often avoided, while others like stevia and erythritol are widely considered safe.

What is Artificial Sweeteners?

Artificial sweeteners are sugar substitutes that provide a sweet taste with little to no calories. They’re often found in “diet” foods and drinks, chewing gum, and even some medications. These clever little compounds allow us to enjoy sweetness without the caloric impact of traditional sugar, making them popular for managing weight or blood sugar levels.

There’s a whole family of artificial sweeteners out there, each with its own unique chemical structure and sweetness profile. Some common ones you might recognize include aspartame, sucralose (often found in products like Splenda), and saccharin. Newer players on the scene, often derived from natural sources, include stevia and erythritol, which are gaining popularity for their more natural origins.

Why pregnant women ask about it

It’s totally natural to become a super-sleuth about everything you consume once you’re pregnant! With so many foods and drinks containing artificial sweeteners, it’s common for expectant moms to wonder if these ingredients are okay for their growing baby. The desire to make the healthiest choices for both themselves and their little one drives many to question the safety of these everyday additives.

Concerns often revolve around whether these sweeteners can cross the placenta, if they might affect fetal development, or if there’s any long-term impact on the baby’s health. The sheer variety of sweeteners and conflicting information online can make it feel a bit overwhelming to figure out what’s truly best.

What research and expert consensus say

When we look at the big picture, most artificial sweeteners are generally considered acceptable for use in moderation during pregnancy. Organizations like the American College of Obstetricians and Gynecologists (ACOG) and the American Diabetes Association (ADA) typically suggest that many common non-nutritive sweeteners are safe in reasonable amounts. Think of it like enjoying a treat – a little bit is usually fine, but overdoing it might not be the best approach.

However, there are a few nuances to consider. Saccharin, for instance, has been shown to cross the placenta, and while studies haven’t definitively linked it to harm in humans at typical intake levels, many healthcare providers and guidelines suggest limiting or avoiding it during pregnancy as a precautionary measure. On the brighter side, sweeteners like stevia and erythritol, which are often plant-derived, are widely considered to be safe choices during pregnancy.

Aspartame and sucralose are two of the most thoroughly studied artificial sweeteners. Current research generally supports their safety when consumed within acceptable daily intake limits. The key here, as with many things during pregnancy, is moderation. It’s always a good idea to discuss your dietary choices, including sweetener intake, with your healthcare provider to ensure it aligns with your personal health needs.

Safer alternatives to use instead

If you’re looking to reduce or replace artificial sweeteners, there are several lovely options! For a naturally sweet touch, consider using small amounts of real fruit to flavor water or yogurt. Berries, sliced peaches, or a squeeze of fresh orange can add a delightful sweetness and a boost of vitamins.

When you need a bit more sweetness, widely considered safe options like stevia and erythritol can be good choices. And of course, a little bit of natural sugar, like honey or maple syrup, in moderation, can also be a perfectly fine option for those occasional sweet cravings. The goal is often to simply reduce your overall reliance on intense sweetness, artificial or otherwise.

How SafeMom can help

Navigating the world of ingredients can feel like a full-time job during pregnancy! That’s where SafeMom comes in. If you’re wondering about a specific product you’re considering, simply scan it in the SafeMom app. We’ll give you a quick, clear breakdown of its ingredients and help you make informed choices with confidence.

Can I have aspartame during pregnancy?

Current research generally suggests that aspartame is safe for consumption in moderation during pregnancy for most individuals. However, if you have phenylketonuria (PKU), it should be avoided.

Is sucralose (Splenda) safe for pregnant women?

Yes, sucralose is widely considered safe for use in moderation during pregnancy. It’s one of the most studied artificial sweeteners, and expert organizations generally support its use within recommended limits.

What about stevia while pregnant?

Stevia, particularly high-purity steviol glycoside extracts, is generally considered safe and a good option for pregnant women looking for a sweetener. It’s derived from a plant and widely accepted.

Should I avoid all artificial sweeteners?

While some, like saccharin, are often advised to be limited or avoided, most other artificial sweeteners are considered safe in moderation. It’s generally not necessary to avoid all of them, but focusing on whole, unprocessed foods and reducing overall sugar and sweetener intake is a healthy approach.

SafeMom content is informational only and is not a substitute for medical advice. Always consult your healthcare provider before changing your routine during pregnancy. Scan any specific product in the SafeMom app for a complete pregnancy-safety check.

Related SafeMom Ingredient Guides

Trimester-specific note

There's no strong evidence to suggest that the safety of artificial sweeteners changes significantly across different trimesters. General moderation guidelines apply throughout pregnancy.

When to talk to your OB

If you used a product containing Artificial Sweeteners before learning you were pregnant, mention it at your next prenatal visit — but most topical cosmetic exposures are not a cause for panic. For prescription exposures or specific concerns, contact your OB or midwife directly.

Jamie G

Founder & Researcher, SafeMom

Jamie founded SafeMom after researching the ingredient-regulations gap that leaves expecting parents without a single trustworthy answer source. She has spent two years on pregnancy-safety research focused on cosmetic, food, and household-product chemistry. Not a medical professional — all medical questions should be directed to your OB or midwife.

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