TL;DR: If you are replacing Guardian Bio, the closest options are Biocogniv, Docbot, Excepgen. The table below compares 12 alternatives on what they do, stage, size and status.
Every alternative below is compared on what it actually does, not just its category — so you can see which one genuinely replaces Guardian Bio (YC Summer 2022).
Last verified:
The three closest alternatives to Guardian Bio are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Biocogniv | — | YC Summer 2020 | 6 | Acquired |
| Docbot | — | YC Winter 2019 | — | Acquired |
| Excepgen | — | YC Winter 2019 | 3 | Active |
| Mind Emulation Foundation | — | YC Winter 2018 | 1 | Active |
| Gerostate Alpha | Developing novel therapeutics for aging and chronic disease | YC Summer 2018 | 6 | Inactive |
| Nuntius Therapeutics | Cell-specific genetic medicines | YC Winter 2021 | 2 | Active |
| ResistanceBio | We solve drug resistance for cancer | YC Winter 2019 | 15 | Inactive |
| Dorian Therapeutics | New therapeutics to rejuvenate tissue and treat age-related diseases | YC Summer 2018 | 8 | Acquired |
| Forever Labs | We bank your stem cells to help you live healthier, longer. | YC Summer 2017 | 12 | Active |
| Kenota (formerly ExVivo Labs) | Kenota is revolutionizing the way we test for disease | YC Summer 2016 | 35 | Inactive |
| Verifiable | API for healthcare compliance | YC Summer 2020 | 12 | Active |
| Reverie Labs | Engineering next-generation, brain-penetrant cancer therapies. | YC Winter 2018 | 29 | Inactive |
It depends on your size. Biocogniv is the closest match on what Guardian Bio actually does. If you need something more established, sort the table by team size — larger teams generally mean more support and a longer track record. If budget is the constraint, the earlier-batch companies are usually the ones still competing on price.
Guardian Bio is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
Every company here is Y Combinator-backed and was matched to Guardian Bio on what it actually does — its own description of its product — rather than on a broad category label. Batch, team size and operating status come from the YC directory and are shown as-is. We do not rank by payment.
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