Quantum biofeedback is a remote, app-based wellness tool that uses a voice recording to select personalized frequencies, which you listen to daily. It is a complementary option for stress, sleep, and nervous system support, not a medical treatment. Sessions are run by Yelena Tselenchuk, BCDHH, with no appointments needed.
Your nervous system has been running on high for too long, and it is not going to settle on its own just because you finally have a quiet evening. When the system has been under sustained strain from chronic symptoms, hormonal shifts, or prolonged stress, it loses its ability to self-regulate.
Key Takeaways
Every organ, system, and tissue in the body operates at a measurable frequency. The brain produces electrical patterns read by EEG. The heart produces patterns read by EKG. The gut, liver, adrenals, and nervous system all carry their own electrical signatures.
When systems are under stress from toxin exposure, nutrient depletion, hormonal shifts, or chronic sympathetic nervous system activation, they deviate from their optimal frequency patterns. Quantum biofeedback identifies where those stress disturbances are most active and delivers personalized frequencies designed to support the body's ability to recalibrate.
Meaningful change comes from consistency. Each week's frequencies build on the previous one as your regulatory patterns gradually shift.
Important. Quantum biofeedback does not diagnose, treat, cure, or prevent any disease or medical condition. It is a complementary wellness tool that supports the body's natural regulatory processes. It is not a replacement for investigation, functional testing, or medical care.
Sessions are run entirely remotely. There are no Zoom calls and no scheduled appointments. Your only daily commitment is the listening time.
The Voice Analysis Technology
The system uses voice analysis to pick up intonations and qualities that reflect your body's current state of stress and regulation. Your voice is converted into measurable frequencies and compared against thousands of panels in the database to identify which areas are showing the most reactivity. Your frequencies are selected specifically for your body's current needs at the time of each session.
Download the app on your phone and set up your profile with a short voice recording, a photo, and basic personal information. Your practitioner is automatically notified.
Specify what you want to focus on (sleep, stress, energy, focus, pain), or simply request that the session address whatever comes up as the highest priority. Your intention can direct the session while the system still highlights what shows the most reactivity.
Using your voice data, Yelena runs your session remotely, reviewing reactivity patterns across thousands of frequency panels and selecting personalized balancing frequencies. You do not need to be present during this step.
Once the session is complete, you receive a unique code through the app. Enter the code to unlock your personalized frequency set for the week.
Play your frequencies for 15 minutes in the morning and 15 minutes in the evening, daily for 7 days. After 7 days, the frequencies expire automatically.
At the end of each cycle, update your voice recording in the app. Yelena is notified, runs your next session using the updated data, and delivers new frequencies for the following 7-day cycle. Each week is calibrated to where your body is right now, not where it was last month.
Quantum biofeedback is used by clients seeking complementary support for:
Supporting the body's ability to shift out of sustained fight-or-flight and toward a calmer baseline.
Addressing frequency patterns associated with difficulty falling asleep, staying asleep, or waking unrefreshed.
Supporting energetic patterns related to fatigue, depletion, and low resilience.
Working with frequency patterns associated with gut stress and reactivity.
Supporting the body's response to chronic discomfort and muscular holding patterns.
Addressing stress patterns that may be contributing to immune reactivity.
Working with energetic patterns related to hormonal fluctuation and endocrine stress.
Supporting the body's energetic capacity to process toxin burden.
Results build with consistency over time. Some clients notice shifts quickly: better sleep, reduced reactivity, improved energy. For others, changes are more gradual and cumulative.
You are looking for ongoing, complementary support alongside functional investigation or between Naturopathic Consultation sessions.
You want to address nervous system regulation, stress patterns, sleep, or energy without adding more appointments to your schedule.
You prefer a non-invasive, frequency-based approach that fits into your daily routine.
You are looking for a standalone diagnostic or primary investigation tool. Quantum biofeedback is complementary, not investigative.
You are not willing to commit to daily listening (15 minutes AM and 15 minutes PM) for at least several weeks. Consistency is what drives results.
Buy Monthly Subscription
$347/month
4-5 weekly sessions (based on weeks in the month), ongoing personalized support
The monthly subscription is the recommended format. Frequency-based support builds cumulatively, and meaningful shifts in stress regulation, sleep, and energy typically require sustained engagement over multiple cycles. Sessions are not covered by insurance or HSA/FSA. Accepted payment methods: Visa, MasterCard, Discover, American Express, PayPal, Apple Pay, and Google Pay.
Quantum biofeedback sessions at Functional Root are run by Yelena Tselenchuk, BCDHH, a Doctor of Holistic Health, Board Certified Naturopath (BCN), Board Certified Homeopath (BCHP), and Certified Quantum Biofeedback Practitioner. Yelena integrates biofeedback as a complementary layer alongside her root-cause investigation work, giving clients addressing fatigue, stress, or nervous system dysregulation an ongoing support option between deeper sessions.
Your voice carries tonal qualities and frequency patterns that reflect where your body is showing stress and reactivity. Your recording is analyzed against thousands of frequency panels, and personalized frequencies are selected to support your body's ability to recalibrate those specific patterns. Each weekly session uses an updated recording, so frequencies are always matched to your current state.
No. Sessions are run entirely remotely. You submit your voice recording through the app, Yelena runs the session on her end, and you receive a code to unlock your personalized frequencies. There are no scheduled appointments. Your only daily commitment is 15 minutes of listening in the morning and 15 minutes in the evening.
This varies by individual. Some clients notice shifts within the first one to two weeks: improved sleep, reduced stress reactivity, more stable energy. For others, changes are more gradual and cumulative over several weeks. Quantum biofeedback works through repetition and consistency, similar to how nutrition or nervous system practices create change over time.
No. Quantum biofeedback is a complementary wellness tool. It does not diagnose, treat, cure, or prevent any disease or medical condition, and it is not a substitute for medical care or functional investigation. It supports the body's natural regulatory processes alongside other care.
A single session ($97) delivers one personalized frequency set for 7 days. The monthly subscription ($347) includes 4-5 weekly sessions so each cycle is calibrated to updated voice data. Because frequency-based support builds cumulatively, the subscription is the recommended format for meaningful shifts in stress regulation, sleep, or energy.
Quantum biofeedback is a complementary wellness tool, not a medical treatment, and it does not diagnose, treat, cure, or prevent any disease or medical condition. Clinical research on frequency-based voice analysis is limited, so it should not replace medical care. Clients use it as ongoing support for stress and nervous system regulation, and experiences vary from person to person. Consistent daily listening is part of how the program is designed to work.
Sleep is one of the areas quantum biofeedback is used to support. The frequencies are selected to work with patterns associated with difficulty falling asleep, staying asleep, or waking unrefreshed. It is not a sleep treatment, and results vary. If sleep problems are severe or persistent, check in with your medical provider as well.
Quantum biofeedback is used to support the body's response to chronic discomfort and muscular holding patterns, which are often tied to stress and nervous system strain. It is not a pain treatment and does not replace a medical evaluation of pain. If pain is new, severe, or getting worse, see your medical provider first.
A single session is $97, and the monthly subscription is $347 per month, which includes 4 to 5 weekly sessions depending on the weeks in the month. The monthly subscription is the recommended format because your frequencies are updated every week.
Quantum biofeedback gives your body a consistent, personalized signal to help it find its way back to a calmer, more regulated baseline. No appointments, no added complexity, just 30 minutes a day and a system that adapts to you every week.
Want to try a single session first? Book a Single Session
Not sure if this is the right fit? Book a Free Consultation
Prefer to reach out directly? (216) 282-4520. (call or text).
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