sir, my son had a weakness ,diagonilised for CBR, ESR , calcium and found the following, Iron-7.2, Vitamin D-4.2, Calcium-9, today, i gor one reprt stool examination, that contains follows, -Reaction / pH : Acidic (pH : 4.5), Vegetable cells : Present (+) Starch Granules : Present (+), the rest of items are nill. could you pls. advise us the acidity :4.5, it it any problem? regards, satya