mr. califf: yes. mr. raskin: and i hope -- i do hope that something that our colleagues on the republican side of the aisle would join us in, in the case of infant formula shortages, last congress we passed a bipartisan bill to help address those shortages, but nearly 200 house republicans voted against a second bill to give fda resources to strengthen its oversight and inspection of facilities to prevent shortages like that from happening. we can't have it both ways. if we want an effective, strong regulator, we have to give them the authority and the resources to get the job done. thank you very much, mr. chairman. i yield back. mr. comer: the gentleman yields back. the chair recognizes mr. grothman from wisconsin for five minutes. mr. grothman: thank you much. we're going to give you another covid-related topic. throughout the covid epidemic i spoke multiple times on the floor with regard to the value of vitamin d. the adequate level of vitamin d varies on who you talk to. 20 nanograms, 30, 50. whateve