The approval of Vafseo tablets gave this Zacks Rank #2 (Buy) company its second FDA-approved product after Auryxia (ferric citrate), which is indicated for the control of serum phosphorus levels ...

If an organism can hydrolyze esculin in the presence of bile, the product esculetin is formed. Esculetin reacts with ferric citrate (in the medium), forming a phenolic iron complex which turns the ...