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EBOO — extracorporeal blood oxygenation and ozonation — is a physician-supervised medical protocol that filters, oxygenates, and returns your blood through a sterile closed-circuit system, delivering systemic detoxification, immune modulation, and cellular support in a single 45 to 60-minute session under continuous cardiac monitoring.
Unlike standard IV ozone injections, EBOO treatment at Evergreen Factor processes 1.3 to 2.0 liters of blood per session through a specialized dialysis-grade filtration system — a significantly higher therapeutic volume that produces measurably broader systemic effects. Blood is drawn from one arm, passed through the closed-loop circuit where it is filtered, enriched with a precise medical-grade oxygen-ozone mixture, exposed to full-spectrum ultraviolet light, and reinfused through the opposite arm. Your blood never contacts open air at any point in the process.
Every session is performed under Dr. Tomas Gigena's direct supervision using FDA-compliant, single-use sterile filtration systems — the highest standard of clinical safety available for ozone therapy in Oregon.
Evergreen Factor serves patients from Lake Oswego, West Linn, Tualatin, Beaverton, Tigard, and the greater Portland metro area.
Also called Full Spectrum EBOO or EBO2, EBOO ozone therapy combines three evidence-based modalities within a single closed-circuit system, processing 1.3 to 2.0 liters of blood per 45 to 60-minute session — producing synergistic systemic benefits that standard ozone injections cannot replicate.
Medical-Grade Ozone Therapy – A precise oxygen-ozone mixture is introduced to filtered blood, enhancing circulation, stimulating cellular antioxidant systems, and supporting immune function at the cellular level.
Selective Filtration – During each EBOO session at Evergreen Factor, blood passes through a specialized dialysis-grade filtration system that removes inflammatory proteins, cytokines, cellular debris, excess lipids, heavy metals, microbial components, and metabolic waste — helping to reduce systemic inflammation and support the body's natural detoxification pathways. The removed material is visible in the filter during treatment, providing direct confirmation of the filtration effect.
Ultraviolet Blood Irradiation (UVBI) – Full-spectrum UV light is applied to the circulating blood, supporting immune function and the body's natural capacity to address microbial burden.
Every session is physician-supervised and performed using FDA-compliant sterility protocols with single-use medical filtration systems, ensuring the highest standards of clinical safety and precision. All treatments are conducted under the direct supervision of Dr. Tomas Gigena, MD at Evergreen Factor in Lake Oswego, OR.
Patients searching for EBOO treatment near me or EBOO therapy near me in the Portland, Oregon metro area choose Evergreen Factor for the breadth and specificity of its physician-designed protocols. Clinical experience and emerging research indicate that EBOO ozone therapy may support multiple areas of systemic health.
EBOO treatment is often explored by patients interested in supporting:
Chronic inflammatory conditions and immune dysregulation, including persistent infections and post-viral presentations. Persistent fatigue, brain fog, or diminished cellular energy. Exposure to environmental toxins, heavy metals, or mold-related illness. Recovery from chronic health conditions requiring systemic detoxification support.
Some individuals who explore EBOO have been managing complex inflammatory conditions associated with persistent infections or post-viral symptoms. EBOO is a supportive therapy that may be considered as part of a broader integrative approach to wellness under the guidance of Dr. Tomas Gigena, MD.
During each session, blood circulates through a closed-loop system where it is filtered, enriched with medical-grade oxygen and ozone, and exposed to full-spectrum UV light — supporting inflammatory balance, improving oxygen delivery, promoting immune function, and aiding the body's natural detoxification pathways.
EBOO ozone therapy is also explored by patients focused on:
Athletic recovery and performance optimization. Systemic support for high-stress professionals. Longevity and healthy aging strategies. Wellness optimization and cellular maintenance on a monthly or quarterly basis.
Regardless of where you are on your health journey, EBOO therapy at Evergreen Factor is delivered as a personalized, physician-supervised protocol — designed to support balanced immune function, aid the body's natural detoxification processes, and enhance overall cellular health.
Patients across the Portland metro area — including Lake Oswego, West Linn, Tualatin, Beaverton, and Tigard — searching for EBOO therapy near me or EBOO ozone therapy near me will find Evergreen Factor to be Oregon's most established physician-supervised EBOO clinic. Dr. Tomas Gigena, MD introduced EBOO therapy to Oregon in 2019 through True Health DPC, making him the first physician in the state to offer extracorporeal blood oxygenation and ozonation as a supervised medical treatment.
Medical Pre-Screen Required for EBOO Treatment – At Evergreen Factor, personalized EBOO protocols yield the best patient outcomes.
Comprehensive Medical Evaluation – Every EBOO treatment plan begins with a detailed medical evaluation with Dr. Tomas Gigena, MD . This assessment reviews your full health history, current wellness goals, and any underlying conditions to confirm the selected EBOO protocol is both clinically appropriate and safe for you specifically.
Personalized Protocol Selection – During your pre-screen consultation, Dr. Gigena will recommend the EBOO protocol that best aligns with your clinical objectives — whether immune modulation, heavy metal detoxification, mitochondrial rejuvenation, or microbial burden reduction.
Four protocols are available: EBOO I, EBOO II, EBOO III, and EBOO IV.
EBOO I — Immune System Modulator: General immune support, inflammatory balance, and foundational wellness. $1,299 per session.
EBOO II — Mitochondria Rejuvenator: Cellular energy optimization, fatigue, and metabolic concerns. $1,499 per session.
EBOO III — Chelation and Detoxification: Heavy metal elimination, mold-related illness, and comprehensive detoxification. $1,599 per session.
EBOO IV — Bacteriostatic Lyme: Microbial burden reduction, Lyme disease, chronic infections, and complex fungal or yeast presentations. $1,499 per session.
Package discounts are available across all protocols: $500 off a 3-session series or $1,100 off a 6-session series.
How Many Sessions Will I Need? – A single session supports general wellness and provides an introduction to the protocol. Most patients pursuing optimal outcomes complete a structured series of 3 or 6 sessions, personalized to their specific protocol and health goals. Some patients choose periodic maintenance sessions — monthly or quarterly — to sustain long-term benefits.
Medical Referrals Accepted – Dr. Tomas Gigena, MD has welcomed EBOO referrals from healthcare providers since 2023, when he introduced EBOO therapy to Oregon through True Health DPC — making Evergreen Factor one of the most experienced physician-supervised EBOO programs in the state. To refer a patient, include the patient's diagnosis and desired number of treatments when contacting our clinical team: info@evergreenfactor.com

Each EBOO treatment at Evergreen Factor lasts 45 to 60 minutes and is performed under the direct supervision of Dr. Tomas Gigena, M.D., throughout the entire session. The process occurs entirely within a closed-loop system — your blood is never exposed to the external environment, eliminating any risk of contamination.
Only a portion of blood is processed at any given moment, keeping the majority in active circulation to maintain cardiovascular stability.
Step-by-Step Breakdown
Step 1 — Blood Extraction
Step 2 — Selective Filtration
Step 3 — Oxygenation and Ozonation
Step 4 — Ultraviolet Blood Irradiation (UVBI)
Step 5 — Return to Circulation
Step 6 — Observation of Filtrate
Key Advantages of the Evergreen Factor EBOO Protocol
Maximum Safety
High-Volume Processing
Comprehensive Systemic Support
Physician-Supervised Throughout

During each EBOO session at Evergreen Factor, the selective filtration process removes unwanted elements from the bloodstream to support the body's natural detoxification pathways and overall cellular health. The removed material is visible in the filter during treatment — providing direct, real-time confirmation of the filtration process.
This includes:
This targeted filtration — performed within a sealed closed-loop circuit under the direct supervision of Dr. Tomas Gigena, MD — supports immune resilience, reduces systemic inflammation, and promotes optimal circulation. Every filtration system used is single-use and FDA-compliant, maintaining the highest standards of clinical safety at our Lake Oswego clinic.
Medical Disclaimer: EBOO therapy is not intended to diagnose, treat, cure, or prevent any disease. All treatment decisions are made in consultation with Dr. Tomas Gigena, M.D., following a comprehensive medical evaluation.



EBOO therapy may be considered for individuals interested in supporting immune function, chronic health concerns, energy levels, detoxification pathways, circulatory health, and overall wellness.
EBOO is a specialized form of ozone therapy that works outside the body to help reduce oxidative stress and promote more efficient oxygen delivery and utilization at the cellular level.
While many people may experience benefits, EBOO is often explored by those interested in supporting:
During your health consultation, we will discuss your personal goals and medical history to determine whether EBOO is an appropriate part of your care plan. A medical evaluation with Dr. Tomas Gigena, M.D. is required to ensure safety and suitability before beginning treatment.
Medical Disclaimer: EBOO therapy is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before beginning any new therapy, particularly if you have existing medical conditions or are taking medications.
All EBOO treatments require a medical consultation to determine which EBOO option is most appropriate for your health needs and to ensure safety and suitability. We also gladly accept referrals from other physicians and healthcare practitioners.
Guests: $100
Members: Waived
Step 1. Pre-Treatment Prep
Hydration and minerals open blood vessels, support lymph flow, and prime your body for oxygen-based therapy.
Step 2. Blood Priming
IV nutrition helps alkalize and energize blood, improving circulation and detox support.
Step 3. Full-Spectrum EBOO
Blood is oxygenated, ozonated, and UV-purified to neutralize pathogens, reduce inflammatory proteins, and return cleaner blood to the body.
Step 4. Recovery
Post-care Hydration, minerals, and detox guidance to integrate benefits.
EBOO Medical Pre-Screen Required – A medical evaluation with Dr. Tomas Gigena, M.D. is required prior to booking.
Best For:
Core Benefits:
Detox, oxygenation, cellular rejuvenation
$500 off 3 Session Package or $1100 off 6 Session Package
EBOO Medical Pre-Screen Required – A medical evaluation with Dr. Tomas Gigena, M.D. is required prior to booking.
Best For:
Core Benefits:
Boosts ATP, enhances brain function, restores cellular energy
$500 off 3 Session Package or $1100 off 6 Session Package
EBOO Medical Pre-Screen Required – A medical evaluation with Dr. Tomas Gigena, M.D. is required prior to booking.
Best For:
Core Benefits:
Deep detox, reduced inflammation, improved immune function
$500 off 3 Session Package or $1100 off 6 Session Package
EBOO Medical Pre-Screen Required – A medical evaluation with Dr. Tomas Gigena, M.D. is required prior to booking.
Best For:
Core Benefits:
Reduces microbial load, boosts immunity, supports recovery
$500 off 3 Session Package or $1100 off 6 Session Package
At Evergreen Factor - IV Infusion Therapy, patient safety is paramount. Dr. Tomas Gigena, MD, brings extensive experience in both conventional and integrative medicine to ensure each treatment is administered with the highest standards of care.
EBOO is not recommended for individuals with:
A thorough medical screening is required before beginning any EBOO protocol to ensure patient safety and appropriateness.
Most patients experience only mild, temporary responses such as:

Dr. Tomas Gigena, M.D., combines extensive medical training with specialized expertise in integrative and regenerative therapies. His approach is characterized by:
Located at 16555 Boones Ferry Rd #200 Lake Oswego OR 97035, our clinic is equipped with state-of-the-art technology in a comfortable, healing environment. We maintain the highest standards of sterilization and medical safety.
We recognize that optimal health often requires a multifaceted approach. EBOO therapy may be combined with:
Schedule a Medical Consultation: Contact our office at 1-844-433-2286 to schedule your initial evaluation with Dr. Tomas Gigena, MD
While EBOO therapy is typically not covered by insurance, we provide transparent pricing and package options to make treatment accessible.
We welcome collaboration with referring providers. For medical referrals, please include relevant diagnosis and treatment history when contacting our office.
Evergreen Factor - IV Infusion Therapy | Dr. Tomas Gigena, MD
Address: 16555 Boones Ferry Rd #200
Lake Oswego OR 97035
Phone: 1-844-433-2286
Email: info@evergreenfactor.com
Clinic Hours:
Monday, Wednesday, Friday:
7 AM – 5 PM
Tuesday, Thursday:
9 AM – 7 PM
Saturday:
10 AM – 4 PM
Sunday:
Closed

In a powerful demonstration of leading by example, Dr. Gigena, recently underwent his 6th (EBOO)
Medical Disclaimer: EBOO Therapy is not intended to diagnose, treat, cure, or prevent any disease. Always consult with a qualified healthcare provider before beginning any new therapy or wellness program, especially if you have existing medical conditions or are taking medications.
Under the expert care of Dr. Tomas Gigena, MD, our Lake Oswego clinic invites you to join our monthly newsletter for the most advanced insights in cellular health, longevity, and bio-stacking protocols. Each issue delivers exclusive promotions, evidence-based wellness tips, expert longevity strategies, and updates on our physician-guided events. Subscribing ensures you stay informed, connected, and equipped to accelerate your health, recovery, and performance through a comprehensive, medically informed approach.
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