Your comment: Thanks for pointing that out, but it does not change the fact that Maine Coast Sea Veg has a different quality than Thorvin and that ML recommends to buy from sea veg.
I may have to try Thorvin now!
Answer: You are not seeing what you are reading, thus you are making Big Mistakes in your choices !
Here is the Specific Link to the Ascophyllum nodosum kelp:
What they list in the spec sheet as kelp is the Laminaria Digitata which has the most Potassium in it along with the other named Varieties they give spec on!
Learn to see what you are looking at !!!!!!!!!!!!!!