I take that Carlson Moly B and I think it works well for me! I agree that over time 1000mcg might be too much, but since that's not really a nutrient you can test easily it's pretty much impossible to know. My NutrEval test showed based on my organic acids and amino acids in the urine, that I needed some Molybdenum.

I won't know until I try the DMPS, but I think the hives are from sulfur. I had very high urinary cysteine and taurine levels which apparently goes along with being unable to handle sulfur.

This might sound crazy but I used to like taking the flushing kind of niacin. I felt like it helped with circulation. It can get pretty painful though at times if you take too much! haha