I would eat it I buy fresh salmon myself but that one sounds fine, the only question I think would be -product of china- I presume it means cheaply prepared there, not the most reliable place for food prep. I don't think.
My daughter was just the same. She went vegetarian for at least a couple of years and she got sicker and sicker, same symptoms as you, acne, depression etc. went back to meat and doing really well now.
Starting Primal June 2012 at 148.5lbs, goal weight in November 2012.
Now 95lbs and holding.
Primal, minus eggs, dairy and a myriad of other allergens.