limited time only

20% Off Your First Order for International Women’s Day

20% Off Your First Order

for International Women’s Day

Woman using the Rythm at-home blood collection device on her upper arm while sitting indoors in athletic wear.

Limited Time Sale – Get 20% Off

6 Reasons Why Women Love Rythm

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4.8/5

Verified Reviews

CLIA Certified

FDA Cleared

HIPAA Compliant

CAP Accredited

HEALTHY SKIN

Glowing Skin Starts Within

Hormones, inflammation, and nutrient levels can influence breakouts, dullness, and skin quality. Rythm helps reveal the signals behind your skin.

Smiling woman with clear glowing skin, doing the rythm at home blood collection representing healthy skin and internal health

SMOOTH DIGESTION

A Happier, Less Bloated Belly

Hormones, stress, and inflammation can all contribute to bloating. Understanding what is happening in your body helps bring things back into balance.

oman sitting with her hand resting on her stomach, representing bloating or digestive discomfort.

HORMONE BALANCE

Feel in Sync With Your Hormones

Estrogen, progesterone, thyroid hormones, and SHBG all influence how your body feels and functions throughout the month. Tracking them over time helps you understand your natural rhythm.

Woman using the Rythm at-home blood collection device on her upper arm while smiling and looking at the device.

HEALTHY LIBIDO

Libido That Feels Like You Again

Hormones like testosterone, estrogen, and SHBG can influence sexual health and desire. Rythm helps you understand the signals behind your libido.

Woman sitting on a vintage wooden chair with crossed legs, representing confidence, sensuality, and healthy libido.

NUTRITION

Replenish What Your Body Needs

Low iron, low vitamin D, and thyroid imbalances are some of the most common issues women face. Rythm shows where your body may need support.

Woman drinking a glass of water outdoors in natural sunlight, representing hydration and nutritional support.

SLEEP

Wake Up Feeling Like Yourself

Thyroid hormones, vitamin D, and inflammation can all influence sleep quality. Rythm helps uncover the biomarkers behind truly restful nights.

Smiling older woman sitting outdoors at a table, representing restful sleep and waking up feeling refreshed.

How it works

Monthly tracking of the markers that matter. One comprehensive panel optimized for daily impact.

Woman applying the Rythm at-home blood collection device to her upper arm while seated indoors.

Step 1

Collect from home in minutes

A painless collection with easy to follow written & video instructions.

Two hands exchanging a sealed blood sample return package for mailing to the lab.

Step 2

Mail your sample to our lab

Priority overnight shipping and a free pick-up service included.

Woman viewing her health insights and biomarker results on the Rythm mobile app.

Step 3

Get results in 48-72 hours

Your insights become more personal and more useful with every test you take.

Understand your body. Track your health. Learn yourself.

20% Off for International Women’s Day

20% Off for

Women’s Day

To celebrate women taking ownership of their health, we’re offering 20% off Rythm for a limited time.

To celebrate women taking ownership of their health, we’re offering 20% off Rythm for your first order for a limited time.

Get Started

LIMITED TIME ONLY

Get Started for 20% Off Today

Get Started for
20% Off today

HSA/FSA Eligible

SUBSCRIPTION

Rythm Lab Test

$63.20

$79

Ships every 30 days • Skip anytime

MEMBERSHIP BENEFITS

Sample pick up

Free

Overnight sample return

Free

Priority result turnaround

Free

Personalized AI insights

Unlimited

Members–only perks

Included

Total per month

$63.20

$79

Total per month

+shipping and handling

Person opening a Rythm at-home blood testing package with collection materials on a table.

Get Started

Money-back guarantee • Cancel anytime

Person opening an at-home blood test kit package on a table.

SUBSCRIPTION

Rythm Lab Test

$63.20

$79

Ships every 30 days • Skip anytime

MEMBERSHIP BENEFITS

– Sample pick up from your home

Free

– Overnight sample return

Free

– Priority result turnaround

Free

– Personalized AI insights

Unlimited

– Members–only perks

Included

Total per month

$63.20

$79

Total per month

+shipping and handling

Trusted by Top Performers

Woman smiling while applying the Rythm at-home blood collection device to her upper arm.

"This has been an absolute game changer. It takes less than 2 minutes, you do it from home, and they test all the key biomarkers."

Sam C. Fit

Entrepreneur and Influencer

"As a busy mom, the last thing I want to do is go make a lab appointment. Rythm's great because I can do everything from home."

Sara Blakely

Founder of Spanx

Portrait of Olympic swimmer Katie Hoff Anderson smiling doing the rythm at home blood test.

"This has been an absolute game changer. It takes less than 2 minutes, you do it from home, and they test all the key biomarkers."

Hatie (Hoff) Anderson

3-time Olympic Medalist Swimmer

What we test every month

One comprehensive panel optimized

for whole-body health.

Hormone Balance
Biomarkers Tested
Testosterone
Estradiol
Progesterone
+ More
Metabolic Fitness
Biomarkers Tested
Ferritin
Albumin
Vitamin D
+ More
Heart Health
Biomarkers Tested
ApoB
LDL-C
HDL-C
hs-CRP
+ More
Liver & Kidney Function
Biomarkers Tested
Creatinine
SHBG
+ More

View All Biomarkers

Get Started

From the Women who use Rythm

“Did not expect to learn this much about my body.”
I originally tried Rythm out of curiosity but my results actually explained a lot. My iron and hormones were off and I never would have known. After adjusting a few things my energy is better, my skin is clearer, and I just feel more balanced overall.
Emily Talbot
Rythm Review
“Helped me finally figure out my bloating.”
I’ve struggled with random bloating for years and every doctor basically said everything looked “normal.” My results showed a few things that could be contributing and it made so much sense. Small changes and I already feel a huge difference.
Lauren
Rythm Review
“Seeing how my hormones change over time is fascinating.”
No one has ever shown me how my hormones actually move throughout the month. Being able to track them has helped me understand my cycle, sleep, and energy so much better. It feels like I finally understand my own rhythm.
Natalie
Rythm Review
“I feel like myself again.”
I didn’t realize how much things like vitamin D, iron, and hormones could affect how you feel every day. My results pointed out a couple issues and after working on those my sleep improved, my energy came back, and my libido is finally normal again.
Rachel
Rythm Review
THE BEST!!!
Rythm is a game-changer. Everything is mailed to your home, the blood collection is easy and virtually painless, and you completely skip the inconvenience of lab visits and waiting rooms. It fits seamlessly into a busy schedule and makes health tracking simple instead of stressful.
Sheila Keyser
Rythm Review
Your health in your own hands
This is the epitome of taking your health into your own hands. I love it. I'm excited to watch my biomarkers monthly and optimize my health using food, supplements and exercise.
Tina Lipe
Rythm Review

“Did not expect to learn this much about my body.”
I originally tried Rythm out of curiosity but my results actually explained a lot. My iron and hormones were off and I never would have known. After adjusting a few things my energy is better, my skin is clearer, and I just feel more balanced overall.
Emily Talbot
Rythm Review
“Helped me finally figure out my bloating.”
I’ve struggled with random bloating for years and every doctor basically said everything looked “normal.” My results showed a few things that could be contributing and it made so much sense. Small changes and I already feel a huge difference.
Lauren
Rythm Review
“Seeing how my hormones change over time is fascinating.”
No one has ever shown me how my hormones actually move throughout the month. Being able to track them has helped me understand my cycle, sleep, and energy so much better. It feels like I finally understand my own rhythm.
Natalie
Rythm Review
“I feel like myself again.”
I didn’t realize how much things like vitamin D, iron, and hormones could affect how you feel every day. My results pointed out a couple issues and after working on those my sleep improved, my energy came back, and my libido is finally normal again.
Rachel
Rythm Review
THE BEST!!!
Rythm is a game-changer. Everything is mailed to your home, the blood collection is easy and virtually painless, and you completely skip the inconvenience of lab visits and waiting rooms. It fits seamlessly into a busy schedule and makes health tracking simple instead of stressful.
Sheila Keyser
Rythm Review
Your health in your own hands
This is the epitome of taking your health into your own hands. I love it. I'm excited to watch my biomarkers monthly and optimize my health using food, supplements and exercise.
Tina Lipe
Rythm Review

“Did not expect to learn this much about my body.”
I originally tried Rythm out of curiosity but my results actually explained a lot. My iron and hormones were off and I never would have known. After adjusting a few things my energy is better, my skin is clearer, and I just feel more balanced overall.
Emily Talbot
Rythm Review
“Helped me finally figure out my bloating.”
I’ve struggled with random bloating for years and every doctor basically said everything looked “normal.” My results showed a few things that could be contributing and it made so much sense. Small changes and I already feel a huge difference.
Lauren
Rythm Review
“Seeing how my hormones change over time is fascinating.”
No one has ever shown me how my hormones actually move throughout the month. Being able to track them has helped me understand my cycle, sleep, and energy so much better. It feels like I finally understand my own rhythm.
Natalie
Rythm Review
“I feel like myself again.”
I didn’t realize how much things like vitamin D, iron, and hormones could affect how you feel every day. My results pointed out a couple issues and after working on those my sleep improved, my energy came back, and my libido is finally normal again.
Rachel
Rythm Review
THE BEST!!!
Rythm is a game-changer. Everything is mailed to your home, the blood collection is easy and virtually painless, and you completely skip the inconvenience of lab visits and waiting rooms. It fits seamlessly into a busy schedule and makes health tracking simple instead of stressful.
Sheila Keyser
Rythm Review
Your health in your own hands
This is the epitome of taking your health into your own hands. I love it. I'm excited to watch my biomarkers monthly and optimize my health using food, supplements and exercise.
Tina Lipe
Rythm Review

Get Started

How it works

Get Started for 20% Off Today

Get Started for20% Off today

Trusted by Top Performers

What we test every month

From the Women who use Rythm

Get Started for
20% Off today