Any reason you wouldn't just buy a bottle of blackstrap molasses from the grocery store?
The AN Nirvana seems to be blackstrap molasses with a little bit of alfalfa, a little bit of kelp, a little digested soy protein, and a WHOLE LOT of hype and marketing. I'm sure it would work just fine, but there are definitely cheaper routes...
Alfalfa and kelp are dirt cheap, and it's very easy to brew them into teas...