variety best for sourcing selenium?

10.2: co.amazon/cook/
Frontier Bulk Garlic Granules, CERTIFIED ORGANIC:
where is it sourced from?!
. this is the perfect granule size,
just large enough for me to feel confident that
all the substance is actually garlic ...
. it tastes great but I'm interested in garlic because
it is a selenium accumulator,
with a very healthy form of selenium:
se-methy-seleno-cysteine .
. however, if it comes from China,
then there are many places there that have
very low levels of selenium in the soil .
. so my new strategy is to just get variety,
and not depend on any one brand .
. I'm also going for quantity too,
and not worrying as much about organic
when it comes to garlic .