Your blood test reads chemistry.
We read your immune system.
Today's most advanced biomarker testing reads about 100 markers. Antygen reads millions of antibody signals from one drop of blood, the record of everything your immune system has fought, and everything it's quietly attacking.
Everything we test for, in one sample.
There is no test menu to pick from. Every sample runs against the whole array: 129 named readouts across 18 families, drawn from 21,000+ protein targets, every time.
A layer nothing else reads.
The array behind
the papers.
Every sample runs on HuProt, the human proteome array, plus the full VirScan viral panel, at CDI Labs. The same platform behind peer-reviewed autoantibody discovery, not a consumer approximation of it.
21,000+ human proteins on every chip
997 patients profiled in the validation cohort
Six domains, 129 named readouts, one sample.
Every kit runs the full panel. Nothing is tiered, nothing is upsold, and nothing here is a separate test you have to choose.
Autoimmunity and self-attack
- Lupus (SLE)
- Hashimoto's thyroiditis
- Myasthenia gravis
- Celiac disease
- +30 more
IgG binding to your own proteins, scored against a reference cohort.
Only AntygenPrivate autoantibodies no clinical panel names yet
Infection and vaccine history
- Epstein–Barr virus
- Cytomegalovirus
- SARS-CoV-2
- COVID-19 mRNA series
- +22 more
Peptide-level antibody binding across the human virome.
Only AntygenPeptide-level virome, not a handful of titers
Allergy and hypersensitivity
- Peanut allergy
- Dust mite allergy
- Latex allergy
- NSAID hypersensitivity
- +25 more
IgE binding across food, environmental and industrial allergens.
Only AntygenIndustrial and drug allergens beyond the food panel
Receptor blockade and nutrient transport
- Anti-CD320 (B12 transport)
- Intrinsic factor blockade
- Folate receptor autoantibodies
- Insulin receptor antibodies
- +1 more
Antibodies acting like drugs, blocking or activating your own receptors.
Only AntygenBlockade invisible to a normal serum level
Immune age and cancer surveillance
- Immune age vs. calendar age
- Repertoire diversity index
- Anti-tumor antibody signatures
- Paraneoplastic antibodies
- +6 more
Repertoire diversity against your calendar age, plus anti-tumor signatures.
Only AntygenImmune age from repertoire, not chronology
Post-viral, autonomic and drug response
- Long COVID immune signature
- POTS-associated receptor antibodies
- Anti-interferon autoantibodies
- Anti-drug antibodies (ADA)
- +21 more
Receptor antibodies and anti-drug antibodies that follow an immune event.
Only AntygenReceptor antibodies behind unexplained symptoms
Why this compoundsEvery person carries 50 to 400 IgG autoantibody hits. Over half have never been described.
Each one is a potential drug target, a biomarker, or a directly actionable health insight.
From your kitchen table to 21,000 proteins.
Every other advanced panel depends on a draw site near you. Antygen's collection method travels by post, so the coverage map is the postal service.
One drop, at home
A finger-prick dried blood spot. No clinic, no phlebotomist. Mail it back in the prepaid kit.
Screened on HuProt
Your sample runs across 21,000+ human proteins plus the full VirScan viral panel.
Read at CDI Labs
The lab behind published, peer-reviewed autoantibody discoveries processes your repertoire.
Your immune map
Millions of signals become a clear, trackable profile in your private portal.
Normal B12. Neurological decline. One antibody explained it.
A patient's serum B12 looked perfectly normal, yet they were deteriorating. The cause: an autoantibody blocking the CD320 receptor that ferries B12 into cells. Invisible to standard labs. Visible in the antibody repertoire.
Frequently asked questions.
Those services read your blood chemistry, metabolites, hormones, cholesterol, roughly 100 biomarkers. Antygen reads your antibody repertoire: millions of immune signals across 21,000+ proteins. It's a complementary, deeper layer, not a replacement for a metabolic panel.
A private portal mapping your anti-pathogen defenses, exposure history, any destructive autoantibodies, allergic profile, and immune biomarkers you can track over time, with plain-language context.
Antygen is an early-access research and wellness profile, not a diagnostic device. It surfaces immune signals worth discussing with your clinician, it doesn't diagnose disease on its own.
A simple finger-prick dried blood spot at home. No clinic visit, no phlebotomist. Everything you need ships in the kit, and return postage is prepaid.
Samples are processed at CDI Labs on the HuProt human-proteome array and VirScan viral panel, the same platform behind peer-reviewed autoantibody research published in Science Translational Medicine.
We're onboarding the early-access waitlist in stages. Join now to hold your place and reserve launch pricing; we'll email you the moment kits are ready in your region.
See what your immune system has been doing.
Join the waitlist and be first in line when at-home immune profiling opens.