Breastfeeding moms are frequently asking if it is ok if they go on the High protein diet.  I try to encourage a more balanced diet since we have studies to show that a variety of foods contributes to longevity, and that 5-7 servings of fruits and vegetables is actually beneficial in protecting against many of the common diseases acquired in the adult years.   Now read what has come out in the Kidney Journal:

Today's Topic: Low-Carb Diet Bad for Bones and Kidneys

The high level of interest in low carbohydrate diets, which are high
in protein and fat, motivated scientists to study the safety of such
programs.  Ten healthy subjects ate their usual diets for two weeks, a
severely carbohydrate-restricted diet for two weeks, followed by a
moderately restricted diet for four weeks.

The acid load in urine was increased significantly, raising the risk
of kidney stones.  At the same time, calcium in the urine increased by
over 60 percent.  The increased calcium excretion was not compensated
by increased absorption from the intestine.  Therefore, calcium
balance decreased by 40 mg per day or about five percent of usual
intake.  The study appeared in the August 2002 edition of the American
Journal of Kidney Diseases.

HERE'S WHAT YOU NEED TO KNOW:  Although this study was
too short to observe a change in bone density, if this pattern were
followed over years, it would almost certainly lead to osteoporosis
and possible kidney stones.  Although the number of subjects is small,
this is compelling evidence against unbalanced diets.

All goes back to common sense!!!   michelle scott, MA, RD, IBCLC in NH


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