
Klotho Test
Meet Klotho — the longevity protein most tests never measure.…
Price range: $298.00 through $1,013.20

Empowering longevity researchers and health-conscious individuals with advanced research-grade testing to evaluate circulating alpha-Klotho protein markers.
Discover our background, mission, and the world-class research driving our next-generation medical technology.
We help klotho researchers find resources and references to help with their research.
Klothoyears is an incubating early stage innovation development within the Cal-X Stars Business Accelerator designed to refer researchers, including sole individual researchers, interested in klotho research to helpful resources and references.
All clinics and customers ordering these Research Use Only Klotho Tests must agree to complete this research form or must confirm they are part of another IRB approved klotho related study.
Want to learn more? Browse our clinical resources and scientific publications on our latest updates and insights.

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Discover the science and innovation driving our advanced solutions, designed to deliver safe, effective, and transformative results.
Is Your Klotho Level Optimized for a Longer, Healthier Life?
Optimizing your Klotho level may be a key factor in promoting a longer, healthier life. Named after the Greek goddess who spins the thread of life, Klotho is a protein with powerful anti-aging properties. Research suggests that maintaining a healthy Klotho level can help protect your body and brain from age-related decline.
Studies have shown connections between Klotho, healthy aging, and disease resistance.
Klotho is a protein found throughout the body, including in the kidneys, liver, brain, and blood. It plays a crucial role in many essential bodily functions that contribute to overall health and longevity. Although it is not widely known outside of research and longevity circles, Klotho is being studied as a key indicator of age-related health changes and a potential target for improving overall health and treating various diseases. This vital protein gets its name from Clotho, a Greek goddess and one of the three fates, who, according to myth, spins the thread of life. This connection highlights Klotho’s vital link to longevity.
Greek Gods and Goddesses – Clotho spins the web of life
A growing body of scientific evidence links higher Klotho levels with a reduced risk of age-related diseases. Low Klotho levels are associated with a shorter lifespan and a higher risk of developing a range of conditions. Studies in mice demonstrated that those lacking Klotho aged prematurely and lived shorter lives. In humans, research indicates that lower Klotho levels are associated with an increased risk of developing age-related conditions.
Conversely, individuals with higher Klotho levels often experience greater longevity and a longer healthspan—the number of years they live in good health.
Customized Klotho-based healthcare is poised to emerge as a powerful tool to fight back against the many ailments of aging. Klotho has been described as “the most potent anti-aging agent ever discovered.” Based on promising animal research, Klotho is seen as a potential “fountain of youth” for the future, with the ability to delay multiple aspects of aging simultaneously.
A growing body of data supports that managing your Klotho levels may contribute to reducing the risk of developing aging-related diseases, including cancer, hypertension, chronic inflammation, diabetes, calcification of arteries and heart valves, vision loss, memory loss, and more. Klotho may also play an essential role in managing addiction, depression, and suicide prevention. Klotho may contribute to gut microbiota health, which in turn supports immune system health and mood through proper serotonin release. Hair loss and skin wrinkles may also be prevented by managing Klotho levels.
Focusing on improving your Klotho level can complement a healthy lifestyle of diet, exercise, and stress reduction in optimizing your ability to remain healthy and active as you age.
Klotho exists in two primary forms in the body:
Membrane-bound Klotho: This form is attached to the surface of cells, especially in the kidneys. It works closely with a hormone called fibroblast growth factor 23 (FGF23), which is mainly produced in the bones. This partnership is crucial for regulating phosphate and vitamin D levels, both vital for strong bones and overall health.
Soluble Klotho (s-Klotho): This form circulates freely in the blood, urine, and cerebrospinal fluid (the fluid around the brain and spinal cord). It’s created when certain enzymes cut the membrane-bound form. Soluble Klotho acts like a hormone, delivering its beneficial effects to various organs and tissues throughout the body.
Klotho contributes to health and longevity in several significant and complex ways:
Mineral Balance: Especially in its membrane-bound form, Klotho helps control the levels of calcium, phosphate, and vitamin D in the blood. This is vital for strong bones and can help prevent issues like kidney stones
Blood Sugar Control: Klotho interacts with insulin receptors, improving how the body uses insulin. This helps manage blood sugar levels and can protect against diabetes
Cell Health: Klotho supports cell growth and helps cells survive by activating beneficial signaling pathways and preventing harmful ones
Protection from Damage: With its antioxidant and anti-inflammatory properties, Klotho helps protect cells from damage. It can boost protective enzymes and reduce inflammation
Inhibiting Aging Pathways: Notably, Klotho has been shown to slow down key pathways linked to aging, such as TGF-β, IGF-1, Wnt, and NF-κB. These pathways can lead to cellular aging, programmed cell death, inflammation, and tissue scarring. By regulating these, Klotho helps maintain healthy cells and tissues
Researchers are actively exploring ways to increase Klotho levels as a potential treatment for many age-related diseases. Some strategies under investigation include:
Gene Therapy: Delivering genes that tell the cells to produce more Klotho protein. Studies in mice have shown that increasing soluble Klotho through gene therapy can extend lifespan and improve physical and cognitive health
Direct Protein Administration: Giving Klotho protein directly as a medication. The challenge here is to deliver it to the correct organs efficiently
Pharmacological Approaches: Identifying compounds that can naturally stimulate Klotho production or mimic its effects. For example, some studies suggest that exercise, certain medications (like ACE inhibitors, statins, and some antidiabetic drugs), and even certain supplements can influence Klotho levels
An alpha Klotho (A-Klotho) human soluble Elisa based kit comprised of a solid phase sandwich for the determination of human soluble alpha Klotho in circulating blood. This level is compared to the average normal level for your age and is reported as a KlothoYears number.
Understand your Klotho level and how it compares to others of your age and sex. Knowing your level can help you make informed decisions to boost your healthspan and longevity.
The KlothoYears team has selected Jinfiniti USA with more than 7 years experience for klotho blood test processing.
FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES. Our Klotho Assay is a research-grade tool designed to measure soluble alpha-Klotho protein levels in serum or plasma. Klotho has been the subject of research exploring its potential role in various physiological processes, including those related to aging and longevity. This test is not intended to diagnose, treat, or cure any disease. By participating, you contribute to a growing dataset that may aid future scientific inquiry.
When you purchase our kit, you provide a biological sample. In our lab, we analyze this sample using a validated research protocol to determine your soluble alpha-Klotho protein concentration. We provide you with a quantitative result for informational purposes. This result has no established clinical significance and should not be used for any medical decision-making.
All clinics and customers ordering these Research Use Only Klotho Tests must agree to complete this research form or must confirm they are part of another IRB approved klotho related study (note this link form is just a sample look example the actual real research form will be in a HIPPA compliant database password protected).
While we wait to finish validation of other testing labs we hereby refer you to order.
Quick, Easy, and Virtually Painless
Your Test kit includes Everything You Need to Collect Your Sample and send it to the Lab.
How the Process Works:
With the push of a button, draw a small blood sample from your upper arm in less than 5 minutes. Pack your sample and frozen gel pack in the shipping envelope, apply the prepaid label, and take it to FedEx for shipment to the lab.
Everything you need for easy sample collection and return:
Self-Draw Blood Collection Device: This innovative device uses a gentle vacuum and microneedle technology for a virtually painless, easy collection from your upper arm capillaries.
Collection Supplies: Instructions, alcohol prep wipe, warming pad, collection tube, and a band-aid.
KlothoYears Sample Form: Important! Please complete this form with your information and include it with your sample to avoid delays.
Shipping Materials: A shipping envelope, plastic bag for your sample tube, a refrigerant gel pack (freeze before use!), and a prepaid FedEx 2-day air shipping label are included.
Don’t see your question? Reach out and our clinical team will respond personally.
An alpha Klotho (A-Klotho) human soluble Elisa based kit comprised of a solid phase sandwich for the determination of human soluble alpha Klotho in circulating blood. This level is compared to the average normal level for your age and is reported as a KlothoYears number.
Low Klotho levels are associated with accelerated aging including high blood pressure, calcification of arteries and heart valves, early onset dementia, cancer risk, muscle strength and other aging related ailments. It may be useful for your doctor to know your Klotho level. As new studies come forward and new therapies emerge the importance of knowing your Klotho level may be amplified.
You can track if your diet, sleep and exercise routines makes any improvements.
The Klotho lab test is for informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a physician or other qualified health provider with any questions you have regarding a medical condition. Reliance on any information provided on this site is solely at your own risk.
The Klotho test is for informational purposes only and not to be used in the diagnoses or treatment of any health conditions. Consult your physician or qualified health professional for information and guidance on all health and medical related matters.
Whether you are an individual looking to monitor your biological aging markers or a researcher wanting to access standardized alpha-Klotho testing for your study, our team is here to help you get started with KlothoYears.