International Board of Certified Lactation Consultant (IBCLC) Practice Exam

Is aspartame safe to consume while breastfeeding?

1. No, it should be avoided

2. Yes, it is rapidly broken down and not detectable in breastmilk

3. Yes, but only in moderation

4. No, it can cause adverse effects on the infant

The correct answer is: Yes, it is rapidly broken down and not detectable in breastmilk

The assertion that aspartame is safe to consume while breastfeeding because it is rapidly broken down and not detectable in breastmilk is supported by various research findings. Aspartame is an artificial sweetener that, upon ingestion, is metabolized into its components, including phenylalanine, aspartic acid, and methanol. These metabolites are absorbed and processed by the body, and the breakdown process occurs quickly. Research indicates that the amount of aspartame that may potentially enter breastmilk is minimal and considerably lower than the amounts considered safe for consumption. Studies have shown that phenylalanine levels in breastmilk remain well within accepted limits, even for mothers who consume aspartame. Thus, the consensus among health authorities, including the Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA), is that aspartame is safe for breastfeeding mothers. For nursing infants, particularly those without pre-existing metabolic disorders such as phenylketonuria (PKU), the low levels of aspartame found in human milk do not pose a risk. It is emphasized, however, that mothers should be aware of their own health conditions and dietary needs. This understanding helps breastfeeding mothers make informed choices about consuming products containing aspartame