Which at-home lab testing companies are the best?
Health Screening CentersNamed in 1 of 6 answers
#9
17.0
Rank by surface
Claude#1
Claude#1Brand profile
ZRT Laboratory
US-based clinical laboratory founded in 1998, specializing in hormone and neurotransmitter testing using saliva, blood spot, and urine.
1 questions · 1 categories · As of Nov 1, 2026
- Questions
- 1
- 1 categories
- Answers naming it
- 1/6
- Of the answers measured on this brand's questions
Visibility by category
| Categories | Category rank | Questions | Score |
|---|---|---|---|
| Health Screening Centers | - | 1 | 17.0 |
Ranking by question
Sources cited when this brand is named
Sites the answers naming this brand cited in the last four weeks. Counts are citing answers.
The answers that named this brand cited no sources in the last four weeks.
Named by surface, by question
For the brand's best questions: of each surface's 1 answers, how many named it.
| Questions |  Google AI Overviews |  ChatGPT | Claude |  Gemini | Google AI Mode |  Microsoft Copilot |
|---|---|---|---|---|---|---|
| 1Which at-home lab testing companies are the best? | 0 | 0 | 1 | 0 | 0 | 0 |