Pathetic DHL international service

I ordered Hum nutrition supplements from US on 03 March 2025 and on 31 March 2025. The products arrived in SA on 25 March 2025 and on 23 April 2025. I was informed by DHL that my parcels are at the Post Office. The Post Office confirmed that they have received my parcels but my parcels were detained by SARS customs because I am no longer allowed to order any nutritional supplements from overseas. In June 2025 my first parcel was sent back to the seller through DHL international. The second parcel was sent back to the seller in July 2025 through the same courier company that brought them in SA which is DHL. Up until now my parcels have not reached where they were destined to. This is so frustrating as no one is communicating anything with me regarding my parcels. The seller have not received my parcels and they are unable to give me my refund. I would like to know how far is both my parcels as I am now unable to track them using DHL system. I want to recover my money that I wasted not knowing that I am no longer allowed to order any nutritional supplements from overseas but others do.

Regards Noluthando Mzotho