was like this in the beginning as well, mainly as LO kept me busy continuously.
but no worries about your milks, that's why nature put weight gain during pregnancy in place
your milks will be absolute fine
btw, I was asking my GP, if I can take magnesium supplements whilst breastfeeding, and she adviced not to do so?
did you ask your GP about the supplements you are taking? sorry, just curious, what he said then, if you don't mind me asking!