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Lupin (Allergen)
Lupin (lupini beans and lupin flour) is safe to eat while breastfeeding. Lupin is recognized as a major allergen in the EU but is less commonly known in the US. It's increasingly found in gluten-free products as lupin flour. If your baby has a peanut allergy, be aware of potential cross-reactivity — lupin is in the same legume family.
Lupin is a legume closely related to peanuts, and cross-reactivity between peanut and lupin allergies has been documented. If your baby has a confirmed peanut allergy, discuss lupin consumption with your pediatric allergist. For all other breastfeeding mothers, lupin is nutritious (high in protein and fiber) and safe. It's commonly consumed as lupini beans in Mediterranean cuisine and increasingly used as lupin flour in gluten-free baked goods.
Always confirm with your doctor or lactation consultant before making dietary changes while breastfeeding.
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