US-based Retreat Center Specializing in Psychedelic-Assisted Therapy For Anxiety, Depression, PTSD and More


Our holistic approach addresses not just symptoms, but the root causes affecting your mind, body, and spirit. At our Austin-based retreat, we offer a sanctuary for tranquility.

Our expert team, led by Clinical Director David Burks, is dedicated to guiding you through a transformative experience. We combine the power of ketamine-assisted therapy with a comprehensive wellness approach.

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Your Guides

Our compassionate guides are the heart of the Retreat Center experience. With deep expertise in psychedelic-assisted therapy, they facilitate your sessions with skill and sensitivity. They create a safe space for profound healing, holding you through integration and transformation long after your retreat ends.

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Sanctuary for Transformation

Our rooms are designed with your comfort, safety, and spiritual journey in mind. The luxurious floor bed provides a grounded and secure environment, while carefully curated elements create a space for deep reflection and inner exploration.

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A Window to Inner Peace

From the plush textiles to the thoughtfully placed aromatherapy diffuser, our rooms are designed to soothe your senses and support your journey of self-discovery.

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A Space for Connection and Reflection

After your sessions, find solace and community in our cozy living area. The warm fireplace, inviting seating, and spiritual touches create a nurturing environment for sharing experiences, finding support, and continuing your integration journey.

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Dedicated to Your Healing

The Within Team brings together diverse expertise and a shared passion for transformative healing. From our experienced guides to our support and medical staff, we’re committed to providing you with a safe, personalized, and deeply transformative experience.

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Retreat into Restorative Calm

Our bedrooms are designed with your ultimate relaxation in mind. The stylish aesthetic creates a soothing atmosphere, while warm lighting invites you to unwind and release your stresses.

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Two Stories

Our therapy rooms are located upstairs couple with a room that is most vital to our process – our low stimulation recovery room. Here you will process and plan how to best integrate the insights you recieved during your journey.

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Discover the Power of Community

True growth goes beyond the individual. Our vibrant community room fosters connection, support, and deep belonging. Imagine sharing experiences, finding inspiration, and building lifelong friendships on your journey. Join the Within family and experience the transformative power of togetherness.




  • Medical Consultation
  • Preparation Session
  • 3 Guided Ketamine Sessions
  • Weekly Therapy Sessions
  • Weekly Coaching Sessions
  • Weekly IV Therapy Drips
  • Gut Health, Blood Work, and Functional Medicine Programs
  • Full Access to Integration Program and Community Classes
  • All-inclusive Organic Chef-made Meals


  • Medical Consultation
  • Preparation Session
  • 6 Guided Ketamine Sessions
  • Weekly Therapy Sessions
  • Weekly Coaching Sessions
  • Weekly IV Therapy Drips
  • Gut Health, Blood Work, and Functional Medicine Programs
  • Full Access to Integration Program and Community Classes
  • All-inclusive Organic Chef-made Meals


We’re committed to walking with you every step of the way on this journey.

Step 1: Intake

Schedule a complementary consultation with our Admission team. We assess your medical history and current medications to confirm ketamine is an appropriate treatment. We work together to decide what treatment package is best for you.

Step 2: Onboarding and Consultation

Once you decide Within is right for you, we will schedule your onboarding call and medical consultation. We’ll go over your medical history, schedule your first ketamine session and first coaching and therapy session.

Step 3: Moving in

You will decide on a moving date with your Admission rep. We will be sending you a list of things you need to bring with you and how to prepare. Once you arrive at the Center, we will host a welcome ceremony and help you settle down in the space.

Step 4: Integration and post-care

Once you’re done with your retreat package, your therapist will create an after-care plan tailored specifically to you and your needs. You can decide to continue treatment at Within with therapy and coaching add-ons.

Read what your peers are saying – click or swipe left and right to read through these passionate reviews from people just like you who have gone through our program

Colleen R

“The Within Center has completely changed my life. Within is such a beautiful place in so many ways. I can’t begin to describe how grateful I am for finding this place. I came to the Within Center in such a dark place- I was so lost and broken. I was extremely stuck in my healing journey, coming from a past filled with trauma that years of therapy could not fix. After going through their month long retreat program, I’ve been able to completely change my life. I’ve been able to process my traumas, remove any blocks, and emerge as a completely different person in the best possible way.

One of the best things about Within is the people. Sarah Slack (Retreat Manager & Guide) has had such an impact on my life. She is at the center with the retreat clients during the day & will be able to help you with any questions about the program & will also be a listening ear if you ever need to talk. Sarah is a very key piece to the retreat program. She is one of the most caring & understanding souls. She has so much love & compassion for people and is able to hold such a healing space. Sarah has taught me how to have compassion & grace for myself and others. It’s been such a blessing to have her in my life. She’s helped me in so many ways throughout my stay here and I’m so grateful for her.

Taylor is the Chef at Within. She makes the most amazing & healthy meals. You’ll see her throughout the day- whether it’s cooking or hanging out with the clients. Taylor has been such a key factor in my healing journey. She brings so much fun to the center in so many ways. She is such a joy to be around and will always make you laugh. She continuously teaches me how to find joy in the little things. She is always looking out for the clients and making sure they’re taken care of. I’m so grateful for her & all of the energy that she brings.

Luke Carver is the Admissions Director at Within. You’ll see him hanging out around the center with the clients & also running a couple of the classes there. I am continuously blown away by the amount of love he shows for others. He is such a genuine & humble soul. He has been such a great teacher to me in my healing journey. Luke has taught me all about gratitude and how to be grateful. He brings so much light with him wherever he goes. It’s been such a blessing to have him as a teacher & friend throughout my stay here- and I’m forever grateful.

David Burks is the on-site Therapist at Within. You’ll get to meet with him and his cute therapy dog (Stella) at your stay here. David is an amazing therapist. He’s able to break down your walls in the most gentle way. Aside from the therapy he provides- you can tell that he genuinely cares about the clients. He has gone out of his way several times to provide care for me in my healing journey. He goes above & beyond when it comes to getting the help you need. Im extremely grateful for all that he has done for me during my stay here.

Thank you to everyone at Within that has helped me through my time here. The Within Center has completely changed my life. Going through the Within program has been the best decision I’ve ever made. If you are considering going through the program here, I would highly recommend the Within Center for your healing journey. God really outdid himself with this place & with all the people here.”

Jo D.

“Having suffered from anxiety since I was a child and major depressive disorder since my 20’s, at 57 I’d had all the medications and treatment protocols in psychiatry as my depression would at times become “treatment resistant”. With all the medications, and even ECT (“shock”) treatments I’ve endured through the years, I can truly say that the guided ketamine therapy treatments and the integrative therapeutic approach that Within Center uses is nothing short of a MIRACLE. I am a believer of science, with a degree in psychology, and had been watching the ketamine drug trial studies for the past 10+ years and had been waiting for it to become available for psychiatric use. But, I wanted to find the RIGHT place, not just a center where they give you a shot, you have your journey unguided, then they send you home. Within IS the right place, in my opinion, if you’re seeking a holistic approach to your mental health treatment. From the moment you walk in the door you feel the peace and love in the house. It’s a beautiful, comfortable, peace-filled setting. You feel it from the staff, every single one. You not only get a personalized approach to your treatment but there are also many groups and activities to take part in as well during your healing journey. The ketamine is an important part of that journey, don’t get me wrong. But, without a proper supportive and caring therapeutic environment, you’d be wasting your time by only getting the medication alone as you may at other places. With the help of my therapist, David Burks, LCMSW, who was also my guide for my treatments, I was able to finally get to the root core of my issues and use the neuroplasticity that ketamine helps create in your mind to help mold new neural pathways in my mind and new and healthier and happier ways of thinking and living. I’ve been to more therapists than I can care to count through the past nearly 40 years and I can say that in my personal and professional opinion, David is one of THE BEST. My coach Sarah Slack was an unbelievable support to me during my time there as well. But ALL the staff, Luke, Taylor, McKenzie, Pascha, Bri, Sadie…I could go on and on..all of them make sure you are supported all the time and the level of care and support is unmatched compared to anywhere I’ve ever been treated. I told everyone after my first treatment I felt as though I had been pulled out of the grave. And I wasn’t kidding. Now I’m so grateful to everyone at Within for their help, love and support for not only helping me to join the land of the living, but to start truly enjoying a life I never dreamed was possible. Thank you from the bottom of my new clear heart and mind to EVERYONE at Within.”

Denise G

“This certainly wasn’t an easy thing for me to do to just pack up and come here for a month not knowing what to expect but it didn’t take me long to realize that these people are the most caring, loving, and understanding people that I have ever met. Every one of these people have a story and that’s what makes this place work because they realize what it takes for someone to get through a childhood trauma or just a bad situation I would just like to mention Taylor. Luke, Sarah, Heather Ashley and David burks you brought me out of the dark into the light. I will never ever forget what you have done for me I love you all. – Denise”

Ryan C

“Like the other reviews, it’s hard to know where to begin.
My healing journey at within started as soon as I entered the building. Immediately, I was greeted by a team of people who for the first time made me feel supported. A lot of us are reserved about our scars for fear of judgement but the staff at within will immediately put you at ease, and they will do so with a level of compassion that’s rare these days. There is a level of human connection at Within that I have not found in any other community.

I had little experience with psychedelics going into this, and had some fears. What’s clear from the beginning is how committed everyone is to facilitating a positive experience that you can grow from. At Within, you’ll learn how to utilize these experiences and how to integrate them into your life. So many of our problems come from within ourselves, and they almost all begin with not loving oneself. At Within, I learned how to start having compassion for myself again and what a healthy mind/life looks like – which is something that all people on a healing journey must learn.

The facilitators I worked with were phenomenal – Sarah especially. She uses a combination of methodologies to facilitate the journey – having used psychedelics without a facilitator, The difference is hard to put into words. It is absolutely imperative to have a guide for a healing journey – and Sarah is just awesome.

Luke Carver was the person who held my hand through this whole process. What a tremendous, loving person. He helped me start to love myself again and to see the good in things.

These people are the people that you’ve been looking for to help you actualize. I can’t say enough good things about my experience at within. After many years of feeling lost, they helped put me back on the path.”

Jorge C

“Where to start, first off I wanna thank everyone at the Within Center. Everyone is extremely kind, knowledgeable and truly care about your health and well being.

Brittany, Ashley, and Sarah took me under their wing throughout my treatment and I couldn’t ask for a better experience. They’re amazing in every way possible!

10/10 recommend. Within Center helped me more in 3 weeks then any other treatment has in the last 5 years. It’s been amazing. I can laugh, live and love again and that right there is priceless.

Side note…I along with my family noticed a difference after 1 treatment. It’s different with everyone but that was my experience.”

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 Find out if Within is the right fit for you with a free phone consultation or call (512) 515-9434