Our contact details are as follows:
MJ Health & Beauty
Phone: 1300 66 90 45 (+61 2 6553 4001
for international customers)
The above phone number is for Chapman & Wood Amcal Pharmacy, the bricks-and-mortar business behind MJ Health & Beauty. Mike (the pharmacist) should be able to help you with any concerns you may be having.
Don't forget the MJ Forums, where you are welcome to ask a question. Also, someone may have asked the same question before, so a quick browse or search of the forum might give you the answer you are looking for!