Thanks. I don't want to kill all the beneficial guts by freezing. I know freezing kills vitamin b.You can freeze them for a very long time, but like anything frozen, the benefits start to wane as soon as you freeze them. I think 6 months would be fine but I am guessing.
My observation is that not all vitamins wash off right away. If I let vitachem soak in for a few minutes the clams still look yellow in the water. Something is sticking in there.