According to Nielsen Media Research, the episode was seen by an estimated 1.74 million household viewers and gained a 0.8/3 ratings share among adults aged 18–49.
However, they find that Debbie (Kate Butler) is alive and secretly running the organization, having paid a private company to make her disappear and avoid federal investigation.
In its original American broadcast, "NutriBoom" was seen by an estimated 1.79 million household viewers and gained a 0.8/3 ratings share among adults aged 18–49, according to Nielsen Media Research.
With these ratings, Brooklyn Nine-Nine was the third highest rated show on FOX for the night, beating The Last Man on Earth, but behind Bob's Burgers and The Simpsons, fifth on its timeslot and ninth for the night, behind Little Big Shots, Bob's Burgers, The Simpsons, 60 Minutes, America's Funniest Home Videos, American Idol, a James Comey interview, and the 53rd Academy of Country Music Awards.
Somewhere in between the levels of Brooklyn Nine-Nine bringing Jake's Addams Family rap back in 'The Box' and announcing the results of Amy's Sergeant exam in 'The Puzzle Master' is 'NutriBoom.'
After all, the Halloween Heist episodes have reached a point where the Nine-Nine crew is so consumed by the competition that they certainly wouldn't stop during it to investigate something as troubling as NutriBoom at the time.
It's a nice reward to Winston Story for turning his resemblance to Joe Lo Truglio into a funny character in its own right, and having a cross between Scientology and a pyramid scheme as Jake's new recurring nemesis fits the show better tonally than the gangsters and crooked cops Brooklyn has tried so often in the past.