How Laura Modi Is Rewriting Baby Formula
Mark Hyman
Dec 10, 2025
Mindsip insights from this episode:
Reduce iron levels in US formulas to prevent overload
Contrary to popular belief about fortification, many US formulas contain too much iron, which can lead to iron overload and negative consequences for adolescents.
Utilize combo feeding to extend breastfeeding duration
Introducing formula, known as combo feeding, can help reduce the burden on mothers and may actually help them breastfeed for a longer period.
Challenge formula non-choice in WIC program for better options
The WIC program, which 50% of US babies rely on, creates "formula non-choice" by awarding exclusive state contracts to one of two major companies.
Update US infant formula standards to reflect current science
Unlike European nutritional standards that evolve every few years with the latest science, US infant formula standards have not meaningfully changed in over 30 years.
Choose expeller-pressed oils to avoid negative health impacts of seed oils
The negative health impact of seed oils is often due to industrial processing with solvents like hexane, not the oil itself; expeller-pressed oils are a healthier alternative.
Verify whey-to-casein protein ratio for optimal digestion
For easier digestion, a formula's whey-to-casein protein ratio should mimic breast milk, but this crucial information is not printed on most labels.
Nourish baby's gut microbiome with breast milk's prebiotic fibers
About 15% of the carbohydrates in breast milk are indigestible prebiotic fibers designed not to feed the baby, but to specifically nourish the baby's gut microbiome.
Limit sugar intake in infant formula to protect health
An average baby consuming typical infant formula can ingest the sugar equivalent of a can of Coke per day, often in the form of corn syrup.
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