Methylene Blue Therapy in McAllen, Texas
Oxygen for your cells. Clearer thinking. Advanced, clinical vitality.
At Elite Functional Health in McAllen, Texas, we offer Methylene Blue Therapy to support oxygen delivery and cell function. This FDA-approved treatment is administered via IV infusion under clinical supervision and may be used for methemoglobinemia, cognitive support, infection control, and adjunctive therapy. Treatments are safe, brief, and personalized to your medical needs.
What Is Methylene Blue?
Methylene blue is a synthetic compound with a strong ability to enhance your body’s oxygen-carrying capacity at the cellular level. Originally developed over a century ago, this FDA-approved medication supports mitochondrial function, helping cells produce energy more efficiently. When administered through IV infusion at Elite Functional Health, methylene blue acts as a cellular optimizer, potentially improving mental clarity and physical vitality. It is a precise, medically supervised therapy that uses modern science to support your body’s natural healing processes. What Is Methylene Blue Used For?
Methylene blue therapy has versatile medical applications backed by decades of clinical use. It is primarily FDA-approved for the treatment of methemoglobinemia, a rare blood disorder that impairs oxygen transport. Physicians may also consider it for off-label uses such as cognitive enhancement, neuroprotection, antimicrobial support, and adjunctive care.
Many patients seek methylene blue for its potential to sharpen mental focus, boost energy, and support overall brain health. Our medical team will assess your needs and determine whether this therapy aligns with your wellness goals.
Who Is a Good Candidate for Methylene Blue?
Ideal candidates include health-conscious individuals seeking cognitive support, energy optimization, or help with specific medical conditions under physician guidance. You may benefit if you experience brain fog, fatigue, or reduced mental clarity, or if you are managing conditions that respond to improved cellular oxygenation.
Candidacy depends on your medical history, medications, and overall health profile. Some conditions may contraindicate treatment, so our physicians complete thorough evaluations before prescribing therapy. If you want proactive health management with innovative, tailored options, a consultation at Elite Functional Health can determine whether methylene blue therapy fits your wellness path.
Patient Satisfaction Is Our Priority 
Gilberto Palacios Jr
3 weeks ago
I had an excellent experience at my appointment. The staff was welcoming, professional, and made me feel comfortable from the moment I walked in. The doctor took the time to listen to my concerns, explained everything clearly, and answered all of my questions without making me feel rushed. I truly appreciated the level of care, compassion, and attention I received. It's refreshing to find a medical team that genuinely cares about their patients. I highly recommend this office to anyone looking for outstanding healthcare.
Ilsa Hinojosa
4 weeks ago
Miriam Pimentel
2 months ago
Staff at clinic friendly , atmosphere is calm and welcoming. Marissa Tagle takes her time to know, listen, review, and explain the whole process of what is happening and what to expect as a patient.
Laura Rocha
4 months ago
Wesley Garza
4 months ago
I love everyone here
Nolberto Lazo
6 months ago
Great place!
Roxanna Cortez
7 months ago
Amazing experience. Marissa is 100% thorough in explaining all results and recommendations. I highly recommend this facility for EVERYTHING!
Cristel Guillen
7 months ago
Gretchen Losi
7 months ago
MIRACLE WORKERS
I came to Dr Tagle a broken shell of myself. I no longer recognized my body—or even my personality. From the very beginning, the team reassured me that within 12 weeks I would start feeling better, but it didn’t take nearly that long.
By week six, my health had completely turned around. I had hope again. My brain felt like it was connecting, my feet were finally on solid ground, and my health was moving in the right direction. For the first time in a long time, I felt like myself again.
What stood out most was the thoughtful, root-cause approach to healing—without the endless pharmaceuticals, referrals, and testing that conventional medicine so often relies on. I felt truly seen, heard, and guided with intention.
I am deeply grateful for the care, expertise, and compassion I received. This experience truly gave me my life back.
I came to Dr Tagle a broken shell of myself. I no longer recognized my body—or even my personality. From the very beginning, the team reassured me that within 12 weeks I would start feeling better, but it didn’t take nearly that long.
By week six, my health had completely turned around. I had hope again. My brain felt like it was connecting, my feet were finally on solid ground, and my health was moving in the right direction. For the first time in a long time, I felt like myself again.
What stood out most was the thoughtful, root-cause approach to healing—without the endless pharmaceuticals, referrals, and testing that conventional medicine so often relies on. I felt truly seen, heard, and guided with intention.
I am deeply grateful for the care, expertise, and compassion I received. This experience truly gave me my life back.
Dalia Quintanilla
8 months ago
First consultation went great! Everything was explained very well.. there was no rush. Amazing staff and service! Will be back!!!
Rachel Nicol
8 months ago
Dr. Tagle is more than just a physician—he is a genuine healer. In a world where 'profit over patient' is the standard, his practice is a powerful, life-changing exception.
Me, my son and my husband Joe leave his office not only with fewer prescriptions, but with a heart full of hope and a clear plan to defy the odds. The results speak for themselves.
His entire staff is incredibly competent and clearly loves and respects him as much as his patients do, which creates such a warm and positive environment.
Dr. Tagle and his wife Marissa Tagle PA, are a true gift to the RGV community, healing bodies and blessing families with their functional medicine approach.
I highly recommend them to anyone seeking true health restoration.
Me, my son and my husband Joe leave his office not only with fewer prescriptions, but with a heart full of hope and a clear plan to defy the odds. The results speak for themselves.
His entire staff is incredibly competent and clearly loves and respects him as much as his patients do, which creates such a warm and positive environment.
Dr. Tagle and his wife Marissa Tagle PA, are a true gift to the RGV community, healing bodies and blessing families with their functional medicine approach.
I highly recommend them to anyone seeking true health restoration.
Cristi Reyes
8 months ago
Excellent place, very friendly.
Excellent service.
Excellent service.
Dawn Taylor
9 months ago
My husband and I both have been seeing Dr. Pablo Tagle at Elite Functional Health for the past year. We are both very impressed with his knowledge and the time he takes with us. We have improved our diet and our health with his guidance. The staff are also very helpful.
Gabriela Valdez
9 months ago
My experience at this office has been positive. The staff greets you quickly and keeps appointments on time. You get clear instructions at every visit. Thank you Marissa and team!
Brenda Rangel
9 months ago
I’m so thankful for Elite Functional Health! They’ve been incredibly helpful with my hormone checks and making sure I’m taking the right vitamins. I’m so excited to keep coming here, staying consistent with my supplements, and continuing to feel stronger, healthier, and younger every day. Highly recommend!
Carol Mendo
9 months ago
Jomo Mench
10 months ago
I love this place excellent service and a superb variety of supplements ❤️
B Rivera
10 months ago
I love getting my IV infusions here. Marissa is a great PA she's very knowledgeable. I highly recommend them for vampire facials, IV parties and hormone replacement. Great staff
David Rodriguez Jr
10 months ago
The professionalism and warmth of your staff create a perfect balance between relaxation and care — an outstanding example of what a wellness center should be.
aleilee quezada
10 months ago
Elite functional health is an amazing place to get a check up at! The staff is so friendly and welcoming and very knowledgeable. Marissa Salinas PA is very thorough in what she does and explaining test results or answering any question you may have. I would recommend this facility to anyone.
Julissa Guzman
10 months ago
kayla galvan
10 months ago
Such a peaceful and positive environment! The team really focuses on overall well-being and takes the time to make sure you understand your health. I always feel refreshed and cared for after each visit. Highly recommend to anyone looking for a holistic approach to health! Amazing staff, super clean office, and excellent care! They’re always professional and kind I always leave feeling well taken care of. Definitely recommend!
Adria Eernisse
10 months ago
I have been coming to this clinic since April with the encouragement of a PA I work with at my hospital. I have no regrets. Marissa PA is very welcoming and professional and have loved investing in the BHT Pellets. These are a game changer for my well being. The staff here at the clinic are very friendly and professional. I highly recommend coming to see them for health care needs and beyond.
ruben morales
10 months ago
Marissa at Elite Functional Health was amazing! She helped me recover from a sprained knee and gave me the right treatment and guidance to get back on track. Super knowledgeable, patient, and professional. Highly recommend her if you’re dealing with any kind of injury or recovery!
Karla Puente
10 months ago
Marissa and Dr. Tagle are truly amazing! Always taking great care of me and guiding to live a healthier lifestyle
Crystal
10 months ago
Excellent service. Dr. really listens and helps the patient understand the why and how to treat. Love this place.
VaNeSSa CastiLLo
10 months ago
I had an amazing experience. Marissa Tagle gives such a thorough explanation of procedures, results and our bodies deficiencies. You leave with a positive outlook on results and improved overall health. Staff is also super courteous, supportive and professional. Great customer service
ESMERALDA VILLEGAS
10 months ago
Wonderful service Lizzy and all the team are awesome
Ashley Romo
1 year ago
Noel Garza
2 years ago
Great service & products
Joel Olivarez
2 years ago
I was told I was going to need surgery for my toe that I had hammertoe and I was able to get his stem cell shot and my foot feels great in a matter of hours. I got pain relief.
Narciso Cantu'
2 years ago
Best clinic in the valley!! Marissa is very thorough and I’ve had great results with my health ever since.
Ana Corona
2 years ago
Best experience at a clinic in quite some time! Everyone here is so professional and helpful. Each one of our family members have been seen here with excellent results!!
Rey Gutierrrez
2 years ago
Kayla Galvan
2 years ago
Matthew Morales
2 years ago
A wonderful place with so many great services and a top notch staff. I highly recommend the Ozone Therapy and Vampire Facials!
Erica Gonzalez
3 years ago
Great experience. Recommended hormone pellets. Life changing
Noel Guzman
3 years ago
Always treated like family. All the staff is awesome
A Belmares
7 years ago
Excellent experience and treatment overall. From the moment I walk in to the end of my therapy sessions, I'm treated with such kindness and genuine care. Dr. Tagle and his team are incredibly attentive and very professional. Never once have I felt like I was just another number / patient. They give me honest feedback and take my injuries seriously. What more can one ask for? Now healing may be a long road, but Im in the right hands. Coming to Dr. Table's office definitely brings more peace and ease to my body and mind. Ty Dr. Tagle and team!!!!!!!!! ☺️🤗
Armando Galarza
8 years ago
I had an excellent experience! Dr. Tagle is courteous and listens well. He's more than able to explain the why and the how for treatment. I had therapy done on site along with X-ray and back massage which is a time saver. A one stop shop. I'm looking forward to more treatments.
Maria Tello
8 years ago
Dr. Tagle is nothing short of amazing! He is knowledgeable and professional, and his staff works as a team to make clients feel comfortable. Visits to Dr. Tagle are always handled so efficiently that one can expect to be in and out of his office within an hour, feeling relieved from pain and reguvenated.
Daniela Garza
10 years ago
I was in an accident this past weekend and had to come see a chiropractic, I have to say this was the best choice I've made. Dr. Tagle and staff are very courteous and extremely professional. I highly recommend them for any chiropractic need. If they had the choice of 10 stars I would of definitely given them the 10!!
*Patient success stories do not guarantee results. Results vary from patient to patient.