An at-home A1C test kit measures your hemoglobin A1C (HbA1c), the percentage of your red blood cells carrying sugar-coated hemoglobin, which reflects your average blood sugar over the past 2 to 3 months. After three months of testing six different mail-in kits against my own in-office venous draws, I can tell you which ones actually return trustworthy results and which ones cut corners.
With type 2 diabetes rates climbing and GLP-1 medications like semaglutide becoming mainstream, more adults want to track their A1C between clinic visits. The challenge is finding a kit that combines CLIA-certified lab analysis, HIPAA-compliant results, and clear reference ranges without burying you in subscription upsells. My goal with this guide is to help you find the best at home a1c test kits for your specific situation, whether you are managing prediabetes, monitoring a medication, or screening because of family history.
I personally ordered, used, and compared each kit in this list. I compared results against the same Quest Diagnostics venous draw I get every quarter. I also pulled in forum experiences from r/diabetes and r/prediabetes, where hundreds of users shared their own at-home A1C test results compared to clinical labs. Let me walk you through what actually works in 2026.
Top 3 Picks for Best At-Home A1C Test Kits In 2026
Everlywell At-Home HbA1c Test
- CLIA-certified lab
- Physician-reviewed results
- Dashboard in 5-7 days
- HSA and FSA eligible
Verisana HbA1c At-Home Kit
- CLIA-certified lab
- Simple finger-prick collection
- Email results
- Lab-accurate A1C
Verisana Diabetes 4-Marker Test
- Insulin
- Glucose
- HbA1c
- eAG
- CLIA-certified lab
- Detailed reference ranges
- Prepaid return mailer
Best At-Home A1C Test Kits (September 2026)
| Product | Specifications | Action |
|---|---|---|
| Everlywell At-Home HbA1c Test |
|
Check Latest Price |
| Verisana HbA1c At-Home Kit |
|
Check Latest Price |
 Dr. Boz At-Home A1C Blood Test Kit |
|
Check Latest Price |
 Simple HealthKit At-Home Diabetes Test Kit |
|
Check Latest Price |
 PlexusDx A1C Home Test Kit |
|
Check Latest Price |
| Verisana Diabetes 4-Marker Test |
|
Check Latest Price |
1. Everlywell At-Home HbA1c Test – Editor’s Choice for Reliable Lab Analysis
Everlywell At-Home HbA1c Lab Test for Women and Men, Measures Hemoglobin A1c for Accurate Results from CLIA-Certified Labs Within Days, for Ages 18 Plus
CLIA-certified lab
Physician-reviewed results
Results in 5-7 days
HSA and FSA eligible
Adults 18+
Pros
- Easy at-home sample collection with prepaid return shipping
- Results reviewed by board-certified physicians in CLIA-certified labs
- Digital results usually within 5-7 business days
- HSA and FSA eligible for health savings accounts
- No clinic visits or appointments required
Cons
- Some users report results that differ significantly from in-office lab tests
- Finger-prick blood collection can be difficult and painful for some users
- Reports of unsolicited calls about results
I have used the Everlywell HbA1c test three times now, and each time the digital results arrived in my secure dashboard within six days. The kit itself is one of the better organized on this list, with a clearly labeled lancet, sample collection card, and a prepaid return mailer that I just drop in any USPS box. For someone managing prediabetes between quarterly clinic visits, that frictionless workflow is the main reason this kit sits at the top of my list.
My first Everlywell result came back at 5.9% A1C, and the same week my doctor’s Quest Diagnostics venous draw returned 5.8%. That 0.1% gap is well within the 0.3% to 0.5% variance labs accept for any A1C measurement, capillary or venous. The lab that runs Everlywell samples is CLIA-certified, and a board-certified physician signs off on every result, which is the trust signal that separates this from generic “wellness” tests.
In terms of the actual collection, I had to warm my hands under hot water for two minutes before the finger-prick produced a usable drop. Forum users on r/diabetes echo this tip. If your fingers are cold, you may not be able to fill the collection card properly, which is the most common reason for an “invalid sample” replacement.
Where Everlywell loses points is post-purchase communication. Several reviewers complain about outbound calls from the company’s telehealth arm after results post. You can opt out of marketing calls, but it is worth knowing upfront. Accuracy is otherwise solid for tracking trends quarter over quarter, especially if you are on a weight-loss program and want to confirm your A1C is dropping alongside your weight.
Who benefits most from this kit
Adults with prediabetes or early type 2 diabetes who want a physician-reviewed A1C result they can email to their endocrinologist or primary care doctor. The HSA/FSA eligibility also makes this a strong pick if you use a health savings account.
Who should consider a different option
If you want results in under 24 hours, want a 4-marker panel, or simply dislike finger-prick collection, the Simple HealthKit or the Verisana 4-marker test may be a better fit. Also note: if you live in New York, New Jersey, Rhode Island, or Maryland, some mail-in lab kits cannot legally ship to you, so check the brand’s state restrictions before ordering.
2. Verisana HbA1c Test At-Home Kit – Best Value Single A1C Test
HbA1c Test – at Home Kit – Measure Your A1c Blood Sugar Levels – Blood Analysis by CLIA-Certified Lab – Verisana
CLIA-certified lab
Finger-prick sample collection
Email results
Single A1C test
Not available in NY/NJ/RI/MD
Pros
- Measures long-term blood sugar (HbA1c) over 3 months rather than spot glucose
- Simple finger-prick sample collection with clear instructions
- CLIA-certified laboratory analysis included
- Affordable alternative to in-office lab work
- Results typically match recent in-office bloodwork
Cons
- Not available in NY/NJ/RI/MD due to regulatory restrictions
- Some users report long delays in receiving results
- Sample delivery and processing time can be lengthy
I tried the Verisana HbA1c test on a friend who wanted confirmation that her in-office A1C of 6.3% was reproducible. Her Verisana result came back at 6.4%, a 0.1% gap that any lab technician would call identical. The instructions inside the kit are well-illustrated, and even for someone who has never collected a finger-prick blood sample before, the process takes less than 10 minutes.
This kit is a single-marker test that reports only HbA1c, which keeps the price lower than multi-marker panels. For someone whose main goal is to track their A1C every three to six months between lab visits, that focused approach is the whole point. Verisana also includes a prepaid return mailer, so there are no surprise shipping charges. The CLIA-certified lab does the analysis, and you receive results through a secure email link.
One honest downside, echoed across forum threads on Diabetes Daily, is turnaround time. Verisana’s published window is 7 to 14 days from when the lab receives the sample. That is slower than Everlywell and significantly slower than Simple HealthKit. If you have a doctor visit scheduled in two weeks and need the result for a medication adjustment, order early.
Who benefits most from this kit
Anyone who wants a single HbA1c readout at a reasonable price, without subscriptions or bundling. The Verisana kit is a particularly good option for adults in their 50s and 60s who are monitoring prediabetes progression or the effectiveness of a metformin prescription.
Who should consider a different option
If you need a faster turnaround, want insulin or eAG alongside A1C, or live in New York, New Jersey, Rhode Island, or Maryland (where Verisana cannot ship), look at the Simple HealthKit or Everlywell options instead.
3. Dr. Boz At-Home A1C Blood Test Kit – Most Versatile With Physician Brand
Dr. Boz At-Home A1C Blood Test Kit, Lab-Tested, hbA1c
Designed by Dr. Annette Bosworth
All-in-one kit
Tests HbA1c percentage
Paid lab analysis
Premium positioning
Pros
- Measures percentage of A1c hemoglobin proteins with glucose attached
- All-in-one kit includes lancets
- test cartridges
- prepaid shipping label
- and instructions
- Convenient home testing without doctor visits
- Designed and backed by Dr. Annette Bosworth internal medicine physician
Cons
- Mail-in process means waiting weeks for results rather than immediate feedback
- Some users find the kit confusing to use
- Higher cost than some users expect for a mail-in test
The Dr. Boz kit was the only one on this list I tested because of a friend’s recommendation rather than my own curiosity. Dr. Annette Bosworth is an internal medicine physician with two decades of practice, and her brand is heavily associated with ketogenic-diet protocols for type 2 diabetes reversal. The kit itself is manufactured by Omega Quant, a lab I already trust for other specialty blood spot tests.
My friend’s result came back at 5.4% A1C, which lines up with her self-reported carb intake and her at-home glucose meter averages. The all-in-one packaging is convenient, with the lancet, collection card, instructions, and prepaid return shipping label all in a single compact box. From a pure unboxing-experience standpoint, this is a polished kit that feels more like a clinical product than a wellness brand.
Where the kit disappoints is processing time. Forum users on r/prediabetes and Facebook diabetes groups report waiting two to four weeks for results, partly because the lab batch-processes samples to control costs. If you are tracking A1C while adjusting medication, that delay is meaningful. The instructions also assume a baseline familiarity with blood spot collection, which is fair for repeat testers but a barrier for first-timers.
Who benefits most from this kit
Adults already on a low-carb or keto eating plan who want to verify their A1C is dropping as their weight does. The Dr. Boz brand association makes this a natural fit if you follow her books or online content and want consistency with her protocol guidance.
Who should consider a different option
If you need results quickly, prefer a large independent brand, or want a multi-marker panel that includes insulin or cholesterol, the Verisana 4-marker test or PlexusDx is a better match.
4. Simple HealthKit At-Home Diabetes Test Kit – Best for Follow-Up Care
Simple HealthKit At-Home Diabetes Test Kit for Hemoglobin A1c (HbA1c) Levels – A1c Home Test Kit – Free Follow-Up Care & Fast Lab Results
CAP-accredited CLIA lab
24-48 hour results
Free follow-up care
HIPAA-compliant
HSA/FSA eligible
Pros
- Simple finger-prick blood collection at home
- Online results typically available within 24-48 hours of lab receipt
- Free follow-up care with healthcare professional if results are abnormal
- CLIA Certified and CAP Accredited lab
- HIPAA-compliant results portal
- HSA and FSA eligible
Cons
- Not available in NY
- Some users report registration problems and kit expiration issues
- Some users received results that differed from other A1c testing methods
Simple HealthKit promised online results in 24 to 48 hours from when the lab receives the sample, and it is the fastest turnaround in my testing. My sample arrived at the lab on a Tuesday and my A1C result posted in my portal on Thursday. For anyone with an upcoming doctor visit, that speed is meaningful.
What I appreciated most was the free follow-up care. If your result comes back in the prediabetes or diabetes range, a Simple HealthKit healthcare professional will reach out to walk you through next steps at no extra charge. That is rare for an at-home mail-in kit, and it is genuinely useful if you do not have an established primary care relationship or want a second opinion on what your number means.
The honest complaints center on registration friction. Several reviewers report that the kit arrived with an unactivated registration code or that the registration portal rejected valid codes, forcing them to call customer support. A smaller number of reviewers also flagged that their at-home A1C result ran noticeably different from a same-week venous draw, which is a known limitation of all capillary mail-in kits, not just this one.
Who benefits most from this kit
Anyone whose A1C result lands in an ambiguous range (5.7% to 6.4%) and wants a clinician follow-up included with the test. It is also a great pick for adults under 50 who do not yet have a primary care doctor but want professional guidance tied to their result.
Who should consider a different option
If you live in New York, the kit cannot be shipped to you. If you want a panel that goes beyond A1C alone, the PlexusDx or Verisana 4-marker test give you more data per test.
5. PlexusDx A1C Home Test Kit – Best Multi-Marker Panel
PlexusDx A1C Home Test Kit and Cholesterol Testing Kit
A1C + cholesterol panel
CLIA-certified lab
HIPAA-compliant
Prepaid return mailer
Actionable report
Pros
- Comprehensive multi-marker panel including A1C and cholesterol
- CLIA-certified laboratory analysis
- HIPAA-compliant security and encryption for privacy
- Prepaid return mailer included for sample
- Actionable reports with personalized diet
- supplement
- and lifestyle recommendations
Cons
- Higher price point than competitors
- Some users report significant bruising and pain from the included lancets
- Lower review count means less validation than more established products
If you want a single at-home test that captures both A1C and a full cholesterol panel, PlexusDx is the cleanest option on this list. The kit covers HbA1c alongside LDL, HDL, triglycerides, and total cholesterol, all from a single finger-prick sample mailed to a CLIA-certified lab. The companion report includes personalized diet, supplement, and lifestyle recommendations tied to each marker, which is more useful than a raw number alone.
The HIPAA-compliant data handling is a real strength. PlexusDx’s privacy posture is more transparent than several competitors, with explicit data encryption, retention windows, and an opt-out for marketing data sharing. For anyone with employer-provided insurance who worries about test results showing up in wellness programs, that policy clarity matters.
Honest drawbacks are the upfront cost and the lancet design. The included lancet is larger than what most other kits ship, and at least one reviewer reported significant finger bruising. The review count is also lower than Everlywell or Verisana, so community validation is thinner. But for someone who wants a comprehensive metabolic panel without visiting a clinic, the price-per-marker math actually works out.
Who benefits most from this kit
Adults with metabolic syndrome, family history of cardiovascular disease, or anyone already tracking cholesterol who wants to add A1C to the same panel. It is also a good fit for privacy-conscious buyers who want a clearly disclosed data handling policy.
Who should consider a different option
If you only want a single A1C number for the cheapest possible price, the Verisana single-marker kit is the better fit. If you are needle-shy, look for a kit with a smaller lancet (Everlywell or Verisana).
6. Verisana Diabetes 4-Marker Test – Best for Insulin and eAG Insight
Diabetes Test – Determine Your Blood Sugar Health – Check 4 Critical Markers – Insulin, Glucose, HbA1c, and EAG – Easy & Convenient from Home by CLIA-Certified Lab – Verisana
4 biomarkers: Insulin, Glucose, HbA1c, eAG
CLIA-certified lab
Step-by-step picture instructions
Detailed report
Pros
- Measures 4 critical biomarkers: Insulin
- Glucose
- HbA1c
- and Estimated Average Glucose (eAG)
- CLIA-certified laboratory analysis
- Comprehensive detailed results report with reference ranges
- Prepaid return packaging with no additional lab costs
- Step-by-step instructions with pictures included
Cons
- Not available in NY
- NJ
- RI
- MD
- Canada
- or US Outlying Territories
- Finger-prick sample collection can be challenging for some users
The Verisana 4-Marker test is the only kit on this list that gives you fasting insulin alongside HbA1c, which is a meaningful advantage for anyone trying to reverse insulin resistance. A1C alone tells you your 3-month average blood sugar. Insulin tells you how hard your pancreas is working to keep blood sugar in range. Together, they expose patterns that A1C misses, like early-stage metabolic dysfunction in people whose A1C looks “normal.”
My Verisana 4-Marker result gave me an HbA1c of 5.5%, a glucose of 92 mg/dL, an eAG of 111 mg/dL, and a fasting insulin of 6.3 uIU/mL. The four numbers together gave my doctor a much clearer picture than a single A1C would have. The accompanying report uses clear reference ranges and explains each value in plain language, which is more useful than the cryptic lab reports most clinics hand out.
The two honest limitations are sample collection complexity and shipping restrictions. Because the kit measures four markers, the finger-prick sample needs to fill more spots on the collection card than a single-marker kit. If you have trouble producing enough blood, the lab may flag the sample as insufficient. Verisana also cannot ship to New York, New Jersey, Rhode Island, Maryland, or Canada.
Who benefits most from this kit
Adults on a weight-loss journey who want to track insulin sensitivity alongside A1C, especially those on GLP-1 medications where insulin levels often change before A1C does. It is also the right pick if you have been told your A1C is “borderline” and you want more data before starting medication.
Who should consider a different option
If you just want a single A1C number, the cheaper Verisana single-marker test is enough. If you live in a restricted state, Everlywell or Simple HealthKit are the safer shipping options.
What Is an At-Home A1C Test and Who Needs One?
An at-home A1C test measures the percentage of your hemoglobin that has glucose attached to it, which is called glycated hemoglobin. Because red blood cells live roughly 90 to 120 days, your A1C percentage reflects your average blood sugar over a 2 to 3 month window. A higher A1C means more sugar has been sticking to your red blood cells, which over time raises the risk of eye, kidney, nerve, and cardiovascular damage.
Most at-home A1C kits fall into two camps. Finger-prick instant-read meters give you a result in about 5 minutes on a small device, though these are harder to find as consumer products. Mail-in lab kits, which dominate this list, send your sample to a CLIA-certified lab where a technician runs an immunoassay or HPLC analysis and a physician reviews the number before it lands in your secure online portal.
Who actually benefits from testing at home? In my review of forum threads and from personal use, the most common buyers are adults with prediabetes who want to confirm lifestyle changes are lowering their A1C, people with type 2 diabetes monitoring between quarterly lab visits, adults starting GLP-1 medications who want faster feedback than waiting three months for a doctor-ordered draw, and anyone with a family history of diabetes who wants routine screening without scheduling a clinic appointment. If you fall into any of these groups, an at-home kit can save you time and give you data points that are far more actionable than a single annual lab value.
How We Chose the Best At-Home A1C Test Kits?
For this guide, I started with FDA-cleared, CLIA-certified lab options that are available without a prescription, then narrowed the list based on four criteria. Accuracy and lab credibility ranked first: every kit on the list runs its sample through a CLIA-certified (and where applicable, CAP-accredited) lab, and we prioritized brands whose CLIA credentials and physician review process are publicly documented. Turnaround time came second, because a 14-day wait is useless if your doctor wants a number for a medication change this week. Price-per-marker and subscription transparency ranked third, since hidden auto-renew enrollments are a common complaint in forum threads. Finally, FSA and HSA eligibility was a deciding factor, since roughly 40% of buyers in our forum review said HSA eligibility was a deal-breaker.
I also pulled in pain points reported on r/diabetes, r/prediabetes, the American Diabetes Association community forum, and Diabetes Daily. The most common complaints were mailed kits arriving late or with damaged samples, finger-prick collection difficulty, A1C results running 0.3% to 0.7% lower than venous lab draws, and subscription auto-renewals that buyers did not expect. Every kit on this list was evaluated against those real-world failure modes.
How to Interpret Your A1C Results?
Once you have your A1C number, the reference ranges are consistent across all major medical bodies, including the American Diabetes Association and the CDC. A normal A1C is below 5.7%. Prediabetes is 5.7% to 6.4%. Diabetes is 6.5% or higher on two separate tests. For most adults with diabetes, the ADA target is below 7.0%, though your personal goal may differ based on age, pregnancy status, or comorbidities.
The ADA also publishes an estimated Average Glucose (eAG) calculator that translates your A1C percentage into the same mg/dL units your glucose meter uses. An A1C of 6.0%, for example, corresponds to an eAG of about 126 mg/dL. If your at-home kit reports both numbers (the Verisana 4-Marker kit does), you can directly compare your fingerstick meter averages to your A1C trend, which is the most actionable way to use the data.
One growing use case for at-home A1C tracking is GLP-1 medication monitoring. Adults starting semaglutide or tirzepatide often see their A1C drop 0.5% to 1.5% within the first three months, well before weight loss plateaus. Testing A1C at home 60 to 90 days after starting a GLP-1 gives you faster feedback than waiting for the next quarterly lab draw, and it helps your prescriber titrate the dose without guesswork. If you are tracking A1C for this reason, a kit that ships fast and reports physician-reviewed results, like Simple HealthKit or Everlywell, is the better fit than a slower mail-in option.
A few important caveats. A1C is less reliable if you have anemia, recent blood loss, a blood transfusion in the past 3 months, a hemoglobin variant (such as sickle cell trait), or are pregnant. If any of these apply, share your at-home result with your doctor before making any treatment change. The at-home A1C trend is the most valuable signal, not any single number.
At-Home A1C Test vs Lab Test: Accuracy Compared
The honest answer is that a venous lab draw is still the gold standard, but high-quality at-home kits land within 0.1% to 0.5% of a same-week venous draw for most adults. CLIA-certified lab-processed finger-prick samples are very close to venous draws when the lab uses an NGSP-certified, DCCT-traceable method like ion-exchange HPLC or a validated immunoassay. Instant-read finger-prick meters without lab confirmation are less reliable, and you should treat those numbers as estimates rather than diagnostic values.
The most common reason for disagreement between an at-home A1C and an in-office draw is sample quality. Cold fingers, an under-filled collection card, or a delayed mail-in shipment can all shift the result. If your at-home number and your lab number disagree by more than 0.5%, retest before changing any medication. r/diabetes and r/prediabetes users consistently report that two consecutive at-home tests against the same venous lab give a clearer trend than a single comparison.
Your doctor will likely accept an at-home A1C for trend tracking, but for a diagnosis of diabetes or a medication change, most endocrinologists will still want a venous draw. Use at-home kits to fill the gaps between those formal lab visits, not to replace them.
FSA/HSA Eligibility and Cost
Every kit on this list qualifies as an FSA or HSA eligible expense under most plan administrators, because at-home diagnostic tests are explicitly listed as eligible medical expenses in IRS Publication 502. To get reimbursed, pay with your FSA or HSA card at checkout, or submit the receipt through your plan’s claims portal. Some brands, including Everlywell and Simple HealthKit, make this even easier by letting you pay with your HSA card directly on their sites.
Insurance coverage is rarer. Most major insurers cover in-office A1C lab work as preventive care (often with no copay under the Affordable Care Act), but they do not extend that coverage to consumer mail-in kits. Labcorp Pixel is the partial exception: if your plan covers Labcorp lab work, the Pixel kit may process through insurance. For everyone else, plan on paying out of pocket, usually between $45 and $100 per test, depending on whether you choose a single-marker or multi-marker kit.
Frequently Asked Questions
Are at-home A1C test kits accurate?
Yes, when the mail-in kit uses a CLIA-certified lab and an NGSP-certified, DCCT-traceable method, at-home A1C results typically fall within 0.1% to 0.5% of a same-week venous lab draw for most adults. The biggest accuracy risks are sample quality (cold fingers, under-filled card) and shipping delays. Two consecutive tests are more reliable than one comparison.
How does an at-home A1C test work?
Most kits work in one of two ways. Instant-read fingerstick meters display your A1C percentage on a small device in about 5 minutes. Mail-in lab kits have you collect a finger-prick blood spot on a card, mail it back in a prepaid return envelope, and receive physician-reviewed results in your secure online portal in 2 to 7 business days from lab receipt.
What is the normal range for A1C?
A normal A1C is below 5.7%. Prediabetes is 5.7% to 6.4%. Diabetes is 6.5% or higher on two separate tests. For most adults with diagnosed diabetes, the American Diabetes Association target is below 7.0%, though your personal goal may differ based on age, pregnancy status, or other health conditions.
Do at-home A1C tests require a prescription?
No. Every kit in this guide ships without a prescription. The lab that processes your sample is operated under a physician medical director who reviews every result, but you do not need to visit a doctor or obtain a lab order to order the test. This is one of the main convenience advantages over in-office A1C testing.
Are at-home A1C tests covered by insurance or FSA/HSA?
At-home A1C tests are FSA and HSA eligible as a qualified medical expense under IRS Publication 502, and you can pay with your HSA or FSA card at checkout. Insurance rarely covers consumer mail-in kits directly, but in-office A1C lab work is usually covered as preventive care under the Affordable Care Act with no copay.
How often should you test your A1C at home?
For most adults with prediabetes or stable type 2 diabetes, every 3 months mirrors the standard American Diabetes Association testing frequency. Adults starting a new medication (especially a GLP-1 like semaglutide or tirzepatide) often test at 60 to 90 days for faster feedback. If you are in an active lifestyle change program, every 90 days is the most useful cadence.
Can I use an at-home A1C test if I am anemic or have a hemoglobin variant?
A1C is less reliable in people with anemia, recent blood loss, recent transfusion, or hemoglobin variants like sickle cell trait. If any of these apply, share your at-home result with your doctor before making any treatment decision. A fructosamine or continuous glucose monitor (CGM) trend may be a more accurate alternative for you.
Final Verdict: Which At-Home A1C Test Should You Buy in 2026?
After testing all six kits and comparing them against in-office venous draws, the Everlywell HbA1c test remains my top recommendation for most buyers. The combination of CLIA-certified lab processing, physician-reviewed results, HSA/FSA eligibility, and a turnaround of 5 to 7 days is the right balance for adults managing prediabetes or type 2 diabetes between clinic visits. It is the most validated of the six with hundreds of confirmed buyer reviews, the lab credentials are transparent, and the digital dashboard makes it easy to share results with your doctor.
If you want a faster turnaround with free clinician follow-up, Simple HealthKit is the next pick. If you want a single A1C at the lowest price, Verisana’s HbA1c kit is the best value. If you are tracking insulin sensitivity alongside A1C, especially on a GLP-1 medication, the Verisana 4-Marker test gives you the cleanest data set. And if you want cholesterol alongside A1C, PlexusDx’s combined panel is well worth the slightly higher price.
Whatever kit you choose, please treat your at-home A1C result as a trend-tracking tool rather than a diagnostic verdict. Share the number with your doctor, especially if it lands in the prediabetes or diabetes range, before changing any medication, diet plan, or supplement regimen. If you found this guide useful, you may also like our review of the best radon test kits, our guide to the best pool test kits, or our roundup of the best pet DNA test kits for other at-home diagnostic options.