Blogs

As we navigate the post-pandemic world, COVID-19 testing remains a critical part of personal and public health. Whether you're a parent, caregiver, healthcare professional, or someone preparing for travel or work, having access to clinic-grade COVID-19 test kits is essential. But where can you buy trusted, FDA-authorized COVID-19 test kits online in the USA?

In this guide, we’ll explore the best options, what to look for in a quality test kit, and why bttn stands out as a reliable supplier.

Why You Still Need COVID-19 Test Kits in 2025

Despite the lifting of most mask mandates and lockdowns, COVID-19 continues to evolve. Testing is still recommended for:

• Symptom detection (fever, cough, loss of smell)
• Before visiting elderly or immunocompromised individuals
• Travel requirements
• Workplace compliance 
• School or event participation

The convenience of at-home COVID-19 test kits makes early detection easier and faster.

Before buying online, it’s important to know what kind of test you need:

1. Rapid Antigen Test Kits

• Results in 15–30 minutes. 
• Ideal for quick screening at home. 
• Great for schools, workplaces, or large events.

Buy: Rapid Antigen Test Kits

2. PCR Test Kits

• Highly accurate. 
• Usually requires mailing a sample to a lab. 
• Suitable for travel or official documentation.
  

Buy Now: PCR Test Kits

 3. CLIA-Waived Test Kits

• Authorized for use in non-lab settings. 
• Ensure a higher quality and reliability standard. 
• Trusted in clinics, hospitals, and by professionals. 

Buy Now: CLIA Waived Test Kits 

Best Covid-19 Test Kits in 2025

1. Alere Poc Binaxnow Covid-19 Kits

BinaxNOW COVID-19 Ag Card Kit, Professional Use, CLIA Waived, 40 tests/kit (60 Days Dating). The Alere POC BinaxNOW COVID-19 Kits provide a fast and accurate solution for the detection of COVID-19 in individuals with suspected infection. These easy-to-use testing kits offer point-of-care testing with results available in as little as 15 minutes, making them ideal for use in healthcare facilities, workplaces, schools, and community testing sites.

This kit delivers reliable antigen detection using a simple nasal swab method, ensuring minimal discomfort while delivering accurate and actionable results. Alere’s trusted diagnostic technology ensures high sensitivity and specificity, enabling you to detect active infections efficiently.

 

Order now: Alere Poc Binaxnow Covid-19 Kits

2. Quidel Sofia Test Kits

 

Quidel Sofia Test Kits are perfectly designed for seamless integration in busy clinical environments, offering quick and accurate results for a spectrum of infectious diseases. These test kits are compatible with the Sofia 2 analyzer, which enables healthcare professionals to gain precise test results within several minutes, a critical advantage in time-sensitive medical settings. Crafted for ease of use, these test kits demand minimal training, making them indispensable in laboratory and point-of-care settings. 

Their high specificity and sensitivity ensure reliable diagnostics, enhancing the decision-making process in patient care management. The Quidel Sofia Test Kits cover a range of conditions, from seasonal flu to strep throat, RSV, Lyme disease, and COVID-19, embodying versatility and efficiency in the comprehensive world of medical diagnostics.

 

Order now: Quidel Sofia Test Kits

3. Aqueous Covid-19 Antigen Test

 

Qualitative detection of the nucleocapsid protein antigen from SARS-CoV-2 in nasopharyngeal or anterior nasal swab specimens directly collected from individuals suspected of COVID-19 by their healthcare provider within five days of symptom onset, or from individuals without symptoms or other epidemiological reasons to suspect COVID-19 when tested twice over two or three days with at least 24 hours and no more than 48 hours between tests. 

Ensure rapid and accurate COVID-19 detection with the Aqueous COVID-19 Antigen Test. This point-of-care test is designed to provide fast results for COVID-19 with high accuracy, making it an essential tool for medical professionals, clinics, and diagnostic centers. This rapid antigen test is ideal for situations where quick, reliable results are required to determine the presence of the virus.

 

Order now: Aqueous Covid-19 Antigen Test

4. Quidel Quickvue Sars Antigen Test

The Quidel QuickVue SARS Antigen Test offers a reliable and fast solution for detecting COVID-19 in individuals displaying symptoms. Whether in a clinical environment or at home, this test delivers results in just 15 minutes, providing important health information with minimal delay. The QuickVue test is available in different packaging variations to suit different needs, such as at-home 2 or 4 test kits, as well as bulk 25 test kits, ensuring there's a suitable option for every need. 

Each kit is designed for ease of use, with clear instructions and straightforward testing procedures. The rapid antigen test boasts a high specificity and sensitivity, guaranteeing accuracy and reliability in results. The Sofia2 SARS Ag Starter Kit also includes necessary instruments for a complete testing solution. Whether you're testing on a large scale in an institutional environment or simply ensuring safety at home, the Quidel QuickVue Test offers an effective approach to SARS-CoV-2 detection.

 

Order now: Quidel Quickvue Sars Antigen Test

5. Alere Poc Binaxnow Influenza A & B Kits

 

The BinaxNOW Influenza A & B test kit is an in vitro immunochromatographic assay for the qualitative detection of influenza A and B nucleoprotein antigens in NP swabs, nasal swabs, and nasal wash/aspirate specimens. It is intended to aid in the rapid differential diagnosis of influenza A and B viral infections.

The Alere POC BinaxNOW Influenza A & B Kits offer a rapid and accurate solution for detecting influenza A and B viruses at the point of care. These easy-to-use testing kits provide healthcare professionals with reliable results in as little as 15 minutes, enabling swift diagnosis and timely treatment. Perfect for use in clinics, emergency rooms, and other healthcare settings, the BinaxNOW Influenza A & B Kits help ensure effective patient care during flu season.

Order now: Alere Poc Binaxnow Influenza A & B Kits

6. Quidel Sofia Influenza Kits

 

The Quidel Sofia Influenza Kits are your frontline solution for rapid detection of the Influenza A and B viruses, as well as the SARS-CoV-2 virus. Each kit comes with 25 tests, optimized for use in clinical and point-of-care environments, facilitating fast and effective decision-making.

The kits include the innovative Sofia 2 Analyzer, which offers seamless operation and precise results within minutes. Designed to elevate diagnostics, these kits provide healthcare professionals with the tools they need to efficiently screen and manage respiratory infections during peak flu seasons and pandemics. This comprehensive solution provides peace of mind and enhanced patient care through accurate and timely diagnostics.

Order now: Quidel Sofia Influenza Kits

7. Indicaid Covid-19 Rapid Antigen Test

 

Ensure the health and safety of your community with our COVID Rapid Antigen Test POC 25-Pack, designed for point-of-care settings. This bulk pack offers: Fast Results: Obtain reliable results in just 15 minutes. High Accuracy: Trusted detection of COVID-19 antigens. Ease of Use: Simple nasal swab procedure with straightforward instructions. Bulk Convenience: Ideal for clinics, workplaces, and events. Perfect for high-volume testing needs, our POC 25-pack ensures efficient and accurate COVID-19 screening. 

Order now: Indicaid Covid-19 Rapid Antigen Test

8. Speedyswab Rapid Covid-19 + Flu A&B Antigen Test

 

Equip your healthcare facility with the Combo COVID/Flu A & B - Speedy Swab Test Kit , designed for efficient and reliable point-of-care testing. This bulk pack offers: Rapid Results: Accurate results in just 15 minutes. 

Comprehensive Detection: Differentiates between COVID-19, Flu A, and Flu B. Ease of Use: Simple nasal swab procedure with clear, straightforward instructions. High Accuracy: Trusted for effective diagnosis in clinical settings. Ideal for high-volume testing environments, this 25-pack ensures quick and dependable COVID-19 and flu screening. 

Order now: Speedyswab Rapid Covid-19 + Flu A&B Antigen Test

9. Lifesign Rapid Tests & Accessories

• LifeSign Status COVID-19 Antigen Rapid Test Kit for Home Use - Rapid Immunoassay for the Direct Detection of SARS-Cov-2 Antigen for use with anterior nasal specimens for at home use. Visually Read in 15 minutes. For Home Use, Workplace Testing, Schools.
• The Status COVID-19 Antigen Rapid Test for Home Use is a lateral flow immunoassay device intended for the qualitative detection of nucleocapsid protein antigen from SARS-CoV-2.
• Materials Provided: Status COVID-19 Antigen Rapid Test for Home Use device; individually pouched; Extraction reagent in capsule; Sterile Swab in wrapper; for anterior nasal sample collection; Instructions for Use; Quick Reference Guid. NOTE: This test comes in a 1 test, 2 test, and 25 test quantity. The number of items supplied in the kit will vary depending on which kit was purchased.
• The home use test is for nonprescription home use with self-collected anterior nasal (nares) swab samples from individuals aged 14 years or older or adult collected anterior nasal (nares) swab samples from individuals aged two years or older.

Order now: Lifesign Rapid Tests & Accessories

10. Sekisui Osom Flu Sars-Cov-2 Combo Test

• Test yourself for COVID-19, Flu A, and Flu B with the same professional grade technology that doctors use and trust. 
• A simple process that you can perform in the convenience and comfort of your own home, without the need for a doctor’s prescription.
• In just 10 minutes and from only one swab, you will be able to detect and differentiate between COVID-19, Flu A, and Flu B. 
• Proudly made in the USA and backed by a trustworthy supply chain that allows us to consistently meet your needs. 
• Exceptional support with in-depth online product information so you are never left without answers.

Order now: Sekisui Osom Flu Sars-Cov-2 Combo Test

 

What Makes a Good COVID-19 Test Kit?

When choosing a test kit online, always look for:

• FDA EUA Authorization
• High sensitivity and specificity
• Clear instructions and fast results
• Proper packaging and expiration dates
• Bulk availability for clinics or organizations

 

Where to Buy Clinic-Grade COVID-19 Test Kits Online

 bttn – Your Trusted Online Medical Supplier

If you’re looking for clinic-grade COVID-19 test kits online, bttn is one of the most reliable platforms in the USA. Here's why:

• ✅ FDA-authorized test kits only
• ✅ Wholesale pricing even for smaller orders
• ✅ Ships across the USA with fast delivery
• ✅ Trusted by clinics, schools, and businesses
• ✅ Transparent listings with specifications

 

Conclusion

Buying clinic-grade COVID-19 test kits online doesn’t need to be confusing. Whether you're an individual or an organization, access to high-quality, FDA-authorized kits is just a click away with bttn.