About Rythm Health
Rythm sends an upper-arm blood-collection kit on a monthly subscription. A state-licensed physician reviews the results before release, and the online platform adds trends and AI coaching.
Choose your recurring testing planCollect and return an upper-arm sampleRead reviewed results and track changes
Offering
Rythm At-Home Blood Test Membership
$948
First year
30 markers
Monthly upper-arm self-collection with 30 listed outputs across sex-specific panels, trends and AI coaching.
What’s included
Apolipoprotein B (ApoB)
A protein carried by certain cholesterol-carrying particles; its amount reflects their total number.
LDL Cholesterol (LDL-C)
The amount of cholesterol carried inside LDL particles, rather than the number of particles.
Calculated
HDL Cholesterol (HDL-C)
The amount of cholesterol carried inside HDL particles in the blood.
LDL-C to ApoB RatioCalc
A calculated comparison of LDL cholesterol and ApoB, not a direct measurement of LDL particle size.
Total Cholesterol
The combined amount of cholesterol carried by the major blood lipoprotein groups.
Remnant Cholesterol
Cholesterol carried in triglyceride-rich remnant particles, reported through calculation or measurement.
Total Cholesterol to HDL RatioCalc
Calculated ratio of total cholesterol to HDL cholesterol, using measurements in the same units.
Triglycerides
Fats circulating in the blood that store energy from food the body does not immediately use.
Triglyceride to HDL RatioCalc
Calculated ratio of triglycerides to HDL cholesterol measured in the same blood sample.
Fructosamine
Sugar attached to blood proteins, reflecting average blood-sugar exposure over a shorter period than HbA1c.
Uric Acid
A waste product from purine breakdown, assessed in gout and kidney-related testing.
Total Testosterone
All testosterone circulating in blood, including protein-bound and unbound forms.
Free Testosterone
The portion of testosterone circulating without being attached to blood proteins.
Calculated
Estradiol (E2)
The main estrogen during the reproductive years, produced primarily by the ovaries.
Sex Hormone-Binding Globulin (SHBG)
A protein made mainly by the liver that carries testosterone, estradiol and other sex hormones in blood.
Cortisol
An adrenal hormone involved in stress response, metabolism, blood pressure and inflammation.
ProgesteroneWomen only
A hormone produced after ovulation and during pregnancy, measured at a particular point in time.
Thyroid-Stimulating Hormone (TSH)
A pituitary hormone that signals the thyroid gland to produce thyroid hormones.
Free T3 (Free Triiodothyronine)Women only
The portion of thyroid hormone T3 circulating unbound to blood proteins.
Free T4 (Free Thyroxine)Women only
The unbound portion of T4 thyroid hormone available to tissues, commonly considered alongside TSH.
Vitamin D (25-hydroxy)
The main circulating form of vitamin D, reflecting vitamin D from sunlight, food and supplements.
Ferritin
An iron-storage protein whose blood level generally reflects the body's iron stores.
C-Reactive Protein (CRP)
A liver-made protein that rises in response to inflammation, measured with conventional or high-sensitivity assays.
High-sensitivity C-reactive protein (hs-CRP)
Alkaline Phosphatase (ALP)
An enzyme found especially in the liver, bile ducts and bones.
Gamma-Glutamyl Transferase (GGT)
An enzyme assessed alongside other findings when investigating liver or bile-duct injury.
Creatinine
A waste product from normal muscle activity that the kidneys mainly remove from blood.
Estimated Glomerular Filtration Rate (eGFR)Calc
An estimate of kidney filtration calculated from blood markers such as creatinine or cystatin C.
Hematocrit (Hct)Men only
The share of your blood volume occupied by red blood cells.
Hemoglobin (Hgb)Men only
The iron-containing protein in red blood cells that carries oxygen around the body.
Albumin
A liver-made blood protein that helps retain fluid and transport other substances.
Before you buy
- Preparation
- Collect fasted, ideally first thing in the morning; follow the kit instructions.
- Return
- Return within seven days; Monday–Thursday return recommended for overnight delivery.
Results
Report
The app brings your biomarker results, score and health categories together.
Official app illustration- Results
- Physician-reviewed biomarker results, trends, PDF/CSV exports and AI explanations.
- Access
- Web
- Download
- PDF and CSV export
- Timing
- Within three business days after the lab receives the sample, according to the FAQ.
Help
Clinician review
IncludedA state-licensed physician reviews and signs off on results before release.
AI assistant
IncludedAn AI coach helps you explore your results.
Collection
Activate the kit, collect the upper-arm blood sample and return it promptly using the prepaid FedEx packaging. Each scheduled cycle has its own kit.
Reviews
Trustpilot
App Store
Google PlayWhat people praise
Helpful support by message
Customers praise responsive staff who answer questions and help arrange replacement kits or resolve missing markers, making it easier to continue testing after a problem.
Convenient repeat testing at home
Reviewers appreciate a straightforward collection process and quick return shipping, making regular blood testing feel easier to fit into everyday life than repeated lab visits.
What people complain about
Samples do not always yield complete results
Some customers describe unusable samples or missing markers that require another kit, adding time and uncertainty when they expected a complete set of results.
Results can prompt questions
Some customers report results that differ sharply from another laboratory’s test, leaving them unsure which reading to use and seeking further clarification or conventional follow-up testing.
Collection can leave a lasting mark
Some reviewers say the collection site remained visibly marked or scarred afterward, making them reconsider whether they want to repeat the home collection process regularly.
Stories
A Rythm Health customer
Rising cholesterol prompted a heart check
After two Rythm blood tests showed rising cholesterol, a 56-year-old customer shared the results with a doctor. A follow-up coronary calcium scan found substantial plaque buildup, and the customer reported starting medication that evening despite having felt healthy.
rythmhealth.comCj
Following hormone changes from home
During fertility treatment, Cj used three Rythm Health tests over four months to follow hormone levels and other markers. Seeing results together in the app helped him track changes between tests, while home collection made regular bloodwork easier to fit into his routine.
youtube.comThings to know
- The first-purchase guarantee has conditions.
Complete the testing process and request the refund within seven days of results to use the advertised 90-day first-customer guarantee.
- The subscription renews every 30 days.
Shipping and tax are additional to the recurring test price.
- The platform and laboratory have different data roles.
Rythm’s terms distinguish its digital service from the laboratory’s healthcare records; the privacy policy governs connected health data.
- The home kit uses upper-arm blood collection.
Activate the kit and return the sample promptly using the supplied FedEx instructions.
Alternatives
Superpower · Membership
One annual venous baseline rather than a new upper-arm kit each month.
$199/year
Mito Health · Core Panel
A one-time broad blood-and-urine panel rather than monthly home testing.
$291.75
Everlywell · Everlywell 360
One annual Quest blood-and-urine panel with a written Care Plan rather than recurring upper-arm self-collection.
$399/year
SiPhox Health · Longevity Essentials
Another upper-arm home-testing service, with a one-time purchase or flexible membership instead of Rythm’s monthly cycle.
$149FAQs
Can I pause monthly kits?
You can skip for up to 90 days or cancel future billing. Past results remain accessible after cancellation; AI Coach access ends.