This is my shopping list:
A chocolate bar,
some meat that's raw,
something cheap,
and an apple core.
Will you help me?
Hint
To help answer the question, you could seek the assistance of a doctor that prescribes questionable treatments.
Update: The puzzle has almost been completed by Rand al'Thor. Here is a hint for the final step:
Stop being so nice.
Update #2: I've accepted the answer, although the last step was not completed. The answer to the final question, "will you help me?", was:
Nay (neigh)