Care with herbs are here,a few are blood thickness, these are

nettle, plantain, valeriana, leonurus, hypericum, yarrow, sandy, cudweed, horsetail, sanguisorba, alehoof, tansy, sophora japan, corn stigma, potentilla all kinds, snake weed, crossed kinds, all firs, but willow bark, filipendula are benefit effect give, thus use for three times/year these herbs courses, as one tbl.sp. willow bark adding in glass of the hot water, boil ten minutes, infuse for 45 minutes, filter, use two tbl.sp. for 3 times/day, course are ten days.

One tbl.sp. filipendula  u;maria herb in glass of the hot water, boil three minutes, infuse for 20 minutes, filter, use on 1/3 glass for three times/day, course are 14 days.