The Dr. Hyman Show

How Laura Modi Is Rewriting Baby Formula

December 10, 2025

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  • The current FDA nutritional standards for infant formula in the US have remained largely unchanged for 30 years, lagging behind global scientific advancements, unlike other food sources. 
  • Infant formula quality is critically dependent on ingredient sourcing and processing (e.g., using 100% lactose over corn syrup, expeller-pressed oils over solvent-extracted ones), which profoundly affects biological outcomes despite matching macro-nutrient ratios. 
  • The US infant formula system suffers from fragility due to market concentration (dominated by two major companies) and inequitable access through government programs like WIC, which limit consumer choice. 
  • The future of infant formula aims to mimic the dynamic nature of breast milk, focusing on microbiome support and cognitive development through advanced scientific research. 
  • Reducing guilt and shame around formula feeding requires a cultural shift alongside product improvement, allowing parents to make informed choices without judgment. 
  • Individualized infant nutrition is crucial, as evidenced by the need for supplemental Vitamin D in breastfed babies and the use of probiotic drops based on a baby's specific digestive needs ("proof is in the poop"). 

Segments

Motherhood Guilt and Formula Shame
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(00:00:00)
  • Key Takeaway: The experience of needing formula, even due to medical issues like mastitis, is often accompanied by intense guilt and shame, exacerbated by formula being sold in pharmacy settings.
  • Summary: The guest experienced severe guilt after developing mastitis and being unable to exclusively breastfeed, forcing her to purchase formula at a pharmacy. This highlights the societal shame tied to formula feeding, where the need for formula is often pathologized. The guest hoped for an opaque bag to avoid judgment while purchasing the baby’s food.
Outdated FDA Formula Standards
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(00:01:06)
  • Key Takeaway: US infant formula nutritional standards have not significantly evolved in the last 30 years, meaning current shelf formulas are often comparable to what was available three decades ago.
  • Summary: The guest questioned why FDA nutritional standards for infant formula had not evolved with current science over the last 30 years. This stagnation means the formula available today is often the same composition as when the guest was a child. In contrast, other food sources have seen continuous updates based on new scientific findings.
WIC Formula Choice Limitation
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(00:01:23)
  • Key Takeaway: The WIC program, relied upon by 50% of US babies, limits choice by having two major companies bid for the exclusive formula contract in each state.
  • Summary: Fifty percent of babies born in the US rely on WIC, and the program structure dictates that the two largest formula companies bid to be the formula of choice in a given state for WIC participants. This system inherently limits consumer choice for a significant portion of the infant population. The guest views this as an early sign of inequality.
Laura Modi’s Career Pivot
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(00:04:14)
  • Key Takeaway: Laura Modi transitioned from a high-level tech career at Airbnb to founding Bobbie, an organic infant formula company, driven by her personal struggles with feeding her own children.
  • Summary: The guest spent six years leading host experience and trust initiatives at Airbnb before pivoting to start Bobbie, a women-led organic infant formula company. This move was directly inspired by her difficult personal journey navigating breastfeeding challenges and the subsequent need for formula. She was recognized by Time Magazine for her leadership in reshaping early nutrition.
Sugar Composition in Breast Milk vs. Formula
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(00:10:25)
  • Key Takeaway: While breast milk is majority sugar, it is natural lactose; many conventional formulas use corn syrup, which, despite being a carbohydrate, has a radically different biological input and contributes to infant obesity.
  • Summary: Breast milk’s sugar content is primarily lactose, a natural milk sugar, whereas conventional formulas often rely on corn syrup. Although both provide similar carbohydrate output, their inputs are biologically distinct. Smaller companies like Bobbie are pushing to use 100% lactose as the superior alternative.
Protein Ratios and Ingredient Quality
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(00:12:47)
  • Key Takeaway: Infant formula must mimic breast milk’s macro composition, but the quality and source of ingredients matter profoundly; the whey-to-casein ratio should ideally match breast milk’s (70:30) split for easier digestion.
  • Summary: Formulas derived from cow’s milk must be manipulated, often by adding whey, to mimic breast milk’s whey-to-casein ratio (ideally (70:30). Casein is considered more inflammatory and linked to allergies, yet most labels do not disclose this ratio. Furthermore, the source (e.g., grass-fed milk) and processing (e.g., expeller-pressed oils) of ingredients are as crucial as the ingredient itself.
US vs. EU Formula Standards (DHA)
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(00:15:45)
  • Key Takeaway: European nutritional standards mandate significantly higher levels of DHA (omega-3 fatty acid) for cognitive development compared to US standards, which have no minimum requirement.
  • Summary: The guest noted that European standards evolve every few years, recently emphasizing high levels of DHA for cognitive development, which US standards failed to require. DHA constitutes 60% of brain fat, making its adequate inclusion critical in the first thousand days. Bobbie aligns its formula with global best standards rather than just the outdated US requirements.
Formula Processing and Inflammation
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(00:24:07)
  • Key Takeaway: The method of oil processing, such as using hexane in industrial production, creates inflammatory consequences, making expeller-pressed or cold-pressed oils preferable, even if the base oil type is similar.
  • Summary: The issue with vegetable or seed oils is often not the ingredient itself but the industrial processing methods used, such as employing hexane, which can destroy the microbiome and cause inflammation. Bobbie uses suppliers who only utilize expeller-pressed oils to avoid these negative impacts associated with mass-processed foods.
Formula Thickeners and Gut Health
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(00:25:37)
  • Key Takeaway: Industrial ingredients like emulsifiers (e.g., carrageenan) used in conventional formulas can cause gut disturbances, leaky gut, and contribute to the epidemic of childhood allergies and eczema.
  • Summary: Ingredients like carrageenan, often used as thickeners in formula, have been shown to cause gut disturbances and are linked to rising rates of allergies, asthma, and colic. These emulsifiers can damage the gut lining, leading to leaky gut, which is a precursor to many chronic childhood health issues.
Microbiome Deficits in Modern Births
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(00:27:15)
  • Key Takeaway: Increased C-section rates and antibiotic use are depleting the crucial gut bacteria Bifidobacterium infantis in infants, which is essential for preventing leaky gut and regulating immunity.
  • Summary: High rates of C-sections prevent babies from colonizing their gut with necessary bacteria from the birth canal, and antibiotics kill vital species like Bifidobacterium infantis. This bacterium, fed by prebiotics in breast milk (like HMOs), is crucial for preventing leaky gut and autoimmunity. Formula companies have not yet perfectly addressed this gap.
Policy Efforts: Operation Stork Speed
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(00:37:40)
  • Key Takeaway: Industry leaders are engaging with regulators through initiatives like Operation Stork Speed to advocate for updating nutritional standards (like mandating DHA) and improving domestic manufacturing resiliency.
  • Summary: The infant formula industry is heavily regulated by the FDA, necessitating engagement with policymakers to drive necessary product improvements. Key policy discussions focus on updating nutrition (DHA, iron levels) and limiting alternative sugars, while also addressing market resiliency to prevent shortages like the one seen in 2022.
Centralized Supply Chain Fragility
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(00:40:00)
  • Key Takeaway: The US reliance on a few centralized factories for infant formula production creates a fragile, monopolized system where contamination or shutdown in one facility risks national supply.
  • Summary: The 2022 shortage exposed the danger of dependency on just two companies to feed the nation, leading to reliance on imports from overseas. The solution requires policy reform, like the proposed Made in America Infant Formula Act, to incentivize decentralized domestic manufacturing and increase market resilience.
Labeling Transparency and DHA Levels
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(00:44:35)
  • Key Takeaway: Current US formula labeling allows for misleading marketing claims, such as using minimal amounts of fortified ingredients like DHA, which can be 10 times less than EU standards.
  • Summary: Consumers must look for the USDA Organic seal, as ‘organic’ claims alone are insufficient; USDA organic is a high global standard. Furthermore, US labels often fail to specify the quantity of fortified nutrients, allowing minimal amounts (like 2mg/100kcal DHA) to be advertised when EU standards require 10 times that amount.
Guidance: Your Best is Best
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(00:54:54)
  • Key Takeaway: Parents should adopt the mantra ‘Your best is best,’ recognizing that feeding decisions involve numerous personal factors beyond the binary choice of breast milk versus formula.
  • Summary: Feeding decisions are influenced by over 100 factors, including support systems, paid leave availability, and personal anatomy, meaning the ‘right’ choice varies for every parent. While breast milk is the healthiest starting point, combo feeding can support longer breastfeeding duration by reducing parental burden and stress.
Future of Formula Science
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(00:58:31)
  • Key Takeaway: Scientific efforts aim to closely mimic the dynamic features of breast milk over the next decade.
  • Summary: Scientists are researching the microbiome and cognitive development to incorporate non-synthetic features found in breast milk into formula. The goal is to continuously improve formula quality to approach the dynamic nature of human milk. This scientific advancement must be paired with a cultural change to reduce parental guilt.
Microbiome and Formula
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(00:59:30)
  • Key Takeaway: The gut microbiome is a major unlock for infant health, and lactose in formula provides natural prebiotics.
  • Summary: Figuring out the infant gut microbiome is considered a significant area for future improvement in infant health. Bobbie’s formula contains natural prebiotics derived from lactose, which is pushed to 100% in their product. The study of Human Milk Oligosaccharides (HMOs) is a fascinating space in this area of research.
Vitamin D and Probiotics
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(01:01:04)
  • Key Takeaway: Exclusively breastfed babies often require more Vitamin D supplementation than formula-fed babies, and probiotics should be individualized.
  • Summary: Pediatricians frequently recommend Vitamin D drops, especially for breastfed infants, as formula typically contains adequate levels meeting European standards. Bobbie provides probiotic drops because a standard level of probiotics is not suitable for every baby, and digestive health should guide supplementation needs.
Gratitude and Mission
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(01:02:33)
  • Key Takeaway: Laura Modi finds profound joy in addressing the confusion and quality issues within the infant formula market.
  • Summary: Laura Modi transitioned from tech roles at Airbnb and Google to found Bobbie after experiencing personal feeding pain points. She feels a deep responsibility and duty in providing quality nutrition for babies. Her work aims to support the many mothers who feel uncertain navigating conflicting feeding messages.
Closing Remarks and Resources
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(01:03:30)
  • Key Takeaway: Dr. Hyman promotes his free MarksPicks newsletter for health recommendations and encourages podcast sharing and reviews.
  • Summary: Listeners can sign up for the free MarksPicks newsletter at drhyman.com/markspicks for weekly recommendations on supplements, recipes, and books. Dr. Hyman encourages sharing the podcast and reaching out on social media channels at Dr. Mark Hyman. The podcast content is for educational purposes and is not a substitute for professional medical care.