Bioidentical hormones tuned to your bloodwork.
Testosterone, estradiol, thyroid, and adrenal support - provider-guided, lab-driven, continuously titrated. No one-size-fits-all.
Start hormone optimization
Signs your hormones may be out of balance.
Hormones shift gradually with age, so the symptoms are easy to dismiss or chalk up to stress and getting older. They often trace back to declining or imbalanced hormones, which is why a diagnosis is built on your symptoms and bloodwork with a clinician's review, never a guess.
Low energy and fatigue
Persistent tiredness that rest doesn't fix, and a drop in the drive you used to take for granted.
Low libido
A noticeable decline in desire or performance that doesn't track with how you otherwise feel.
Weight gain and body changes
Stubborn weight, especially around the middle, and a harder time building or keeping lean muscle.
Mood changes and anxiety
Irritability, low mood, or a new edge of anxiety that feels out of character for you.
Poor or restless sleep
Trouble falling or staying asleep, and waking unrested even after a full night.
Brain fog and slow recovery
Trouble focusing, word-finding lapses, and workouts or stress that take longer to bounce back from.
A licensed clinician confirms what's driving your symptoms with the right testing before recommending treatment. If something else fits better, they'll tell you, and help you find the right path.
Four steps from curious to optimized.
Take the assessment
2 minutes. Goals, symptoms, medical history.
Clinical-grade intake reviewed by a provider, not a template.
Comprehensive labs
50+ markers. At-home kit or Quest / Labcorp.
Hormones, thyroid, metabolic, inflammation, micronutrients. HSA/FSA eligible.
Consult with your provider
HIPAA video call. AI-transcribed. Recapped.
Licensed clinician reviews your labs, builds your protocol, answers questions.
Delivered in 48 hours
Discreet packaging. Refills ship automatically.
Compounding pharmacy partner. Free 2-day shipping. Cancel anytime.
How hormone optimization actually works.
Restore an optimal range
Hormones like testosterone, estradiol, and thyroid decline or drift with age. When your symptoms and labs point to it, a clinician restores those hormones toward a healthy, individualized range using forms your body recognizes.
Keep the whole system balanced
Hormones work together, not in isolation. Your provider looks at how estrogen, thyroid, and related markers interact, then manages them as a system so improving one does not come at the expense of another.
Lab-driven and titrated over time
Your protocol starts from your bloodwork and symptoms, then your provider rechecks labs and how you feel and adjusts the dose. Optimization is an ongoing, monitored process, not a single prescription.
Therapies a clinician may consider for you.
Testosterone
Supports energy, libido, mood, and lean muscle when labs and symptoms show low levels, in men and in select women at low dose.
Estradiol
Replaces declining estrogen to ease hot flashes, night sweats, sleep, and dryness, most often in perimenopause and menopause.
Progesterone
Bioidentical progesterone for cycle balance, sleep, and protecting the uterine lining when estrogen is prescribed.
Thyroid support
Levothyroxine or NDT for an underactive thyroid, dosed to a full panel rather than a single number.
DHEA
A precursor hormone that can support energy, libido, and overall hormone balance when labs show a deficiency.
Enclomiphene / HCG
Options that can help preserve the body's own production and fertility for men who want to maintain it.
Which therapies are appropriate, and at what dose, is a clinical decision your provider makes from your symptoms and bloodwork. Some products are compounded, are not FDA-approved, and require a prescription. Individual results vary.
Real clinicians, not a call center.
Your protocol is built and monitored by a licensed clinician, the same people who designed KAYU's care model. Named, credentialed, and accountable for your results.
Narine Chilyan
Clinical Director · Functional & Preventive Medicine
Dr. Aram Mkhitarian
Medical Director · Integrative Medicine
Kiana Golfeiz
Aesthetics · Longevity · Regenerative
How KAYU compares.
A general comparison of care models. Specific offerings vary by provider.
Simple, transparent membership.
Pay for care, not markups. Medication, when prescribed, is billed separately by a licensed pharmacy at its published cash-pay price. No insurance required, HSA and FSA eligible, cancel anytime.
Pay for the visit, no membership.
- 60-minute video consult with a licensed clinician
- A personalized plan if treatment is appropriate
- Prescription sent to a licensed pharmacy
- Credit applies to your first month if you upgrade
Ongoing care, monitoring, and 10% off.
- Everything in Consult
- Ongoing provider oversight and dose titration
- Quarterly lab panel, KAYU pays Quest direct
- 10% off compounded medication, unlimited messaging
Full optimization with bloodwork included.
- Everything in Root
- Comprehensive hormone + metabolic panel included
- Broader multi-system optimization when appropriate
- 20% off medication, priority scheduling
Medication is billed separately by a licensed pharmacy at cost, only after a clinician approves it.
Hormone optimization FAQ.
What is hormone optimization?
Hormone optimization restores hormones such as testosterone, estradiol, progesterone, and thyroid toward a healthy, individualized range when they have declined or drifted. A licensed clinician reviews your symptoms and bloodwork to decide whether it's appropriate and to build a personalized plan, then monitors and adjusts it over time.
What's the difference between bioidentical and synthetic hormones?
Bioidentical hormones match the molecular structure of the hormones your body produces, while older synthetic versions differ slightly. Your KAYU clinician selects FDA-approved bioidentical options where appropriate and, when a compounded formula fits your needs, explains what that means before anything is prescribed.
Do I need bloodwork before starting?
In most cases, yes. A licensed clinician reviews your relevant hormone and health markers alongside your symptoms to confirm what's driving how you feel and to choose a safe, personalized protocol. For thyroid, that means a full panel rather than a single TSH value. Your provider then rechecks labs over time and adjusts as needed.
Is hormone therapy safe?
When prescribed by a licensed clinician and monitored with regular labs, hormone therapy has a well-established safety profile, though it carries benefits and risks that depend on your health history, the hormones used, and how they're delivered. Your provider reviews your history and labs, declines or adjusts treatment when it isn't appropriate, and monitors you over time as part of staying safe.
How long until I notice a difference?
Many people notice changes in energy, sleep, mood, or libido within the first several weeks, with fuller benefits building over the following months as your provider fine-tunes your protocol. Everyone's timeline is different, which is why follow-up labs and monitoring are part of care. Individual results vary.
Can I do this online, and do you take insurance or HSA / FSA?
Yes. Your assessment, video consult, and follow-ups happen online, and medication ships to your door, with bloodwork through an at-home kit or a nearby lab. You pay for your provider and care; if medication is prescribed, the pharmacy bills it separately at cost. No insurance is required, and many patients use HSA or FSA funds toward eligible care.
Ready to feel rooted?
Two minutes to the assessment. One week to your first consult. A protocol built on your bloodwork from a provider who knows your name.