Dosing for bulk milk thistle

[mghoodlum]

Ok so I ordered some bulk powders and found the answer for k-rala and alcar but can find it for milk thistle. So how many grams in 1/4tsp
1/4tsp milk thistle = ?

 

[milwood]

I believe it is ~600mg per 1/4 tsp for milk thistle powder (silymarin).