Answer:
The correct answer would be The FDA tests give reliability to the results of improved health obtained by each company.
The Food and Drug Administration or FDA is a federal agency which is responsible for promoting and protecting human health.
It does so by controlling and supervising dietary supplements, food safety, vaccines, tobacco plants, et cetera.
FDA tests reports provide reliability to the results obtained by different companies.
The companies may or may not manipulate the experiments and observations to increases their profits and false advertisements.
FDA reports are more reliable and accurate as comparatively.
