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Related Experiment Videos

Caffeine secretion into breast milk.

E E Tyrala, W E Dodson

    Archives of Disease in Childhood
    |October 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Caffeine levels in breast milk are lower than in maternal serum, peaking 60 minutes after ingestion. Caffeine binding in milk is minimal and linked to fat content.

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    Area of Science:

    • Pharmacokinetics
    • Human Physiology
    • Lactation Studies

    Background:

    • Understanding drug transfer into breast milk is crucial for nursing mothers.
    • Caffeine is a common stimulant consumed by many breastfeeding individuals.
    • Limited data exists on caffeine's precise behavior in breast milk.

    Purpose of the Study:

    • To quantify caffeine concentrations in maternal serum and breast milk.
    • To determine the timing of peak caffeine levels in both matrices.
    • To investigate the extent and nature of caffeine binding in breast milk.

    Main Methods:

    • Five breastfeeding mothers received a standardized oral caffeine dose.
    • Serum and breast milk samples were collected over time.
    • Caffeine concentrations and protein binding were analyzed.

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    Main Results:

    • Peak serum and milk caffeine concentrations occurred at 60 minutes post-dose.
    • Caffeine binding was low in both serum (25%) and milk (3.2%).
    • Milk caffeine levels were consistently lower than maternal serum levels.

    Conclusions:

    • Caffeine transfer into breast milk is limited.
    • Caffeine binding in milk is associated with fat content.
    • Breastfeeding mothers can consume caffeine with minimal transfer to infant.