Marsha,
Lactose IS lactose, it is always composed of a molecule of glucose and a
molecule of galactose bound together.  Look in any biochemistry textbook.

The IRON in cow's milk is the same as the iron in human milk, there is
just too little of it in cow's milk, and there are not the same carrier
proteins that make human milk iron more bioavailable.

Proteins are a complicated, species specific, genetically coded bunch of
compounds that make up much of the structure of the body, and the
functional enzymes that allow metabolism to take place at body
temperature.  Specific proteins are what make a cow a cow, a human a
human, etc.

It is certainly possible for a person to be both allergic to cow's milk
and lactose intolerant.  But if your daughter could tolerate your milk
when you eliminated dairy from your diet, she was not lactose intolerant
at that time.  The symptoms can be similar, which is why many people
seem to be confused between bovine milk protein allergy and lactose
intolerance.
--
Catherine Watson Genna, IBCLC  New York City  mailto:[log in to unmask]

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