I'd probably avoid the HFCS -- however, I'm not at this moment too focused on lowering my sodium intake and I am more concerned with sugar.
Honestly, if it's more important to you to up your potassium and lower your sodium, you can probably take the hit of HFCS and just try to balance it otherwise in your diet, as wildbeanerz said
Also - you know what food has the highest umami? Bacon!
Female, 30 years old, 5'4 1/2" tall
Starting weight 1/4/11 = 215.2 lbs.
Weight 8/30/13 = 179.8 (net: -35.4)
Current mini-goal: 175 lbs.
Lowest weight: 156.7 lbs.
150.2 lbs. <--- Official "Healthy BMI" weight
Estimated final goal: 130 lbs.
"You don't have to change your life today. You only need to change your day today."