You get most...

But realize Vitamin B12 was originally discovered as a soil-based organism - why its virtually disapperred is a topic of debate, could be the modern use of synthetic chemicals, air/water pollution, etc...There are other not-so-common vitamins found in earthworms.

The basis of EM is based on the old Japanese gardening method of making 'medicinal' composts. One of its unique ingredients is that you add a shovel full of soil from an old growth forest...