I think I remember reading that fish oil is not good to take if platelets are low, so you may want to verify what your mom's platelet count is and talk to her doctors before she takes anymore of the shark liver oil, just to be sure.
Regarding the Korean blood tonic, I wonder if this is Red Ginseng, do you know? I just googled "Korean blood tonic" and that is what came up.
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Age 54; DX Heavy Chain (AH) Amyloidosis 6/10; AutoSCT 3/11; Amyloidosis remission 6/11; DX SAA 7/11; Horse ATG 3/12; Mini MUD SCT 1/13; Recovered from SAA 5/13 & feeling great