Hey guys. Been lurking around this thread for the past few days and finally decided to join. I found codes for the vitamins http://wiki.answers.com/Q/Pokemon_soul_silver_action_replay_codes_US_version Alas, I just found them literally 5 minutes ago. Still need to test.
To activate, Hold L+R.
HP / HP Up: 12084576 000046C0
12084AFC 000020FF
Attack / Protein: 120845E2 000046C0
12084B5C 000020FF
Defense / Iron: 1208464E 000046C0
12084BBC 000020FF
Sp.Attack / Calcium: 1208472A 000046Ca
12084C7C 000420FF
Sp.Defense / Zinc: 12084796 000046C0
12084CDC 000020FF
Speed / Carbos: 120846BC 000046C0
12084C1C 000020FF
*edit* According to the original poster, these codes are 100% working.