Astragalus is available as a capsule, a tablet, a tincture, as a part of an herbal combination, as a prepared tea, and as a sweet dried root that can be eaten or made into tea.
It is just the convention in English to apply past tense only once. I care, I cared I do care, I did care I took care, I have taken care in all instances the past tense is applied only once, at the...