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What Our Clients Say

  • Making the decision to work with Sagi was one of the best decisions I’ve ever made for my health and wellness. My initial motivation to seek Sagi’s help was largely attributed to my frustration in getting lean and adding muscle mass. For 5 years I was dedicated to never missing a daily workout, eating clean, and continually researching the latest fitness information. Yet, I could never seem to achieve the gains and progress I so desperately desired. I tried everything and yet my physique for the most part didn’t change.
    Sagi changed the whole game for me. Through his extensive testing and knowledge we were able to diagnose the internal factors that were holding me back. The hormonal and digestive issues that plagued me were never going to allow me to achieve my goal physique no matter how clean my diet was or how intense my training was on a daily basis. Sagi took the guessing game out of my health and wellness and allowed me to finally get on track to be the best version of me.

    Do yourself a favor and schedule a consultation with Sagi today. My biggest regret is that I didn’t begin working with him sooner. You won’t find a more compassionate, caring individual who is dedicated to helping you become the very best version of you.

    Dan Byers
  • There are very few people that you will meet in this world that would “DROP EVERYTHING” to be there for you, well I have met such a friend in my Soul Sibling/Sagi!  I never had a brother, but if I designed one he would be like Sagi. Sensitive, kind, talented, handsome, giving, strong, amazing… The list could go on and on.

    Sagi is an accomplished Celebrity Trainer and former 2 x  Mr. Israel, has an amazing amount of certifications and is the creator of Body Beast Program in Beachbody. I could truly go on and on, but this is about the spirit and heart of Sagi.

    So, how do I know him?  You would think that maybe he would be self absorbed and only care about people that are doing his programs, but you could not be further from the truth.  Sagi is a man of integrity, depth and above all HEART.  He cares about serving people and what is in their best interest.

    Beachbody could not have found a better trainer to represent their company and brand.  Body Beast is an exceptional program that has helped so many to tone up or build muscle mass. He helps people live their dreams through health and nutrition.

    I just saw Sagi in Vegas and am actually going through Sagi withdrawal now.  He has a way of making everything better and a way of making you feel like the most important person on earth.  He actually dropped what he was doing to come up the stairs to see me when he found out I was at a party. I am sure I upset a few coaches, but I truly needed that healing hug.

    I have only known Sagi for 3 years, but it seems like forever. I feel such a special connection with him and would do anything I ever could to help him or the people that he cares about.  I trust him with all of my secrets and he is always there to lift my spirits and share advice that remains etched in my heart forever!  His advice echoes in my head when I need it most.

    I invite all of you to follow Sagi Kalev…he is more than an Angel with Biceps. He has exceptional physical accomplishments and incredible advice that he can bestow.

    Sagi brings hope to all that know him. A special kind of inspiration and motivation for even those that are lost or struggling.

    Sorry ladies, but Sagi is engaged to a phenomenal woman, Barbie and I could not be happier for the two of them.  They make a wonderful couple and truly share the same heart.

    There will never be enough words to thank Sagi for everything that he has done for me and all the times he has been there. He holds a very special place in my heart and even a piece of it that will always belong to him.  Sagi makes every day brighter and makes anything seem possible.

    For you coaches that have never brought him in for an Event…make that a PRIORITY you will NOT be SORRY!  He’s incredible!!!

    My fiance, Alan, can’t say enough wonderful things about him too.

    Love you with all my heart, Sagi!

    Love- Sheri/Soul Sibling

    Sheri Strang
  • If you look at the picture on the left, you’ll see a guy in good shape. That is the result of 4-5 years of beachbody programs, the latest being two rounds of Body Beast. But what that picture doesn’t show are my insides. I didn’t feel good. Now let me say, I felt good in the sense that I was strong and had endurance in any physical activity, but my insides were messed up. Gastrointestinal issues, bloating, gas, heartburn. Didn’t go a day without one of these guys popping up. I also noticed that I was stuck, plateaued. I couldn’t gain more muscle and that bothered me immensely. So I reached out to the one man who I knew could help me. Sagi Kalev. Hall of fame master PROPTA trainer, clinical nutritionist at the Thrive institute, and creator and trainer of Body Beast. If this man couldn’t help me, well then I guess I’m helpless. From the very first meeting he told me that everything was going to change, and with some faith and hard work everything I wanted would come to me. Don’t let his huge muscles fool you, this man is all heart and brains…well and huge muscles. Following is mantra of “Don’t guess, test”, we did just that. We found what my body was missing and what it needed. Every step of the way he was there with encouragement, support, and care. So this brings me to the bottom picture, one year later from the top picture. I’m six lbs heavier and shredded to the bone!! But what you don’t see is how amazing my insides feel. All issues resolved. I feel amazing!!!! I cannot wait to see what the next years will bring. Sagi IS the man, pure and simple. I will be forever grateful for the help, care, and friendship he has given me.

    Adam Wilks
  • We’ve struggled with our 12-year old son for several years. After being diagnosed with ADHD & Generalized Panic Disorder and trying to handle it on our own, we finally relented to medications. Although the meds helped, the side effects caused a whole host of issues. Always a slim child, his meager appetite worsened and he fell off the growth chart. Frustrated, we knew that there had to be a better way. Then we met Sagi Kalev. He helped us get to the root cause of our son’s issues, instead of simply dealing with symptoms. Through a series of tests (that our doctors never suggested,) we discovered that our son was dealing with several issues including a bacteria, fungus, & food sensitivities. With Sagi’s help, our son is finally on the road to good health. He’s now off ALL of his medications, his appetite is normal for his age, and he’s gained 7 lbs! We are incredibly grateful!

    Rochelle G.
  • I decided to see Sagi because I was unhappy with the way I felt and looked. Ultimately I felt fat which was a result of a bad diet, terrible cravings, depression, and no energy. I was always tired! So initially my goals were to lose some weight and feel healthier so I could have the energy to actually be able to workout and create a healthy lifestyle for myself.

    Sagi helped me with my diet that was specific to my metabolic type and food sensitivities. I thought I knew what eating healthy meant until I met Sagi. Looking back I had no clue how to eat healthy which is why I felt and looked the way that I did. He also prescribed me natural supplements that would support my body and hormones which made a huge difference in the way I feel now. I didn’t realize how off my body was until I actually was able to get tested and see what my hormone levels really were. After changing my body from the inside with diet and supplements, I was seeing huge changes in my body and my skin clarity was even improving. I finally had the energy to workout and start Sagi’s workout regimen which led to my latest journey…

    I have been working with Sagi for 9 months now and he has completely changed my life. I started off with an initial goal to lose a few pounds and feel healthier. I met that goal relatively quickly and decided to pursue something that I’ve never considered doing before. I decided to start competing in bikini competitions. He helped me with my diet and workout regimen which completely transformed my body to be bikini competition ready. He prepped me with a very specific diet and supplement plan all the way up to minutes before stepping on stage. So far I have won 2 out of 3 competitions! So now I have a new journey ahead of me to continue to compete because I have now found a new passion in my life thanks to Sagi!

    Thank you so much Sagi for seriously changing my life inside and out !

    Shanda N.
  • I decided to see Sagi because I was unhappy with the way I felt and looked. Ultimately I felt fat which was a result of a bad diet, terrible cravings, depression, and no energy. I was always tired! So initially my goals were to lose some weight and feel healthier so I could have the energy to actually be able to workout and create a healthy lifestyle for myself.
    If it were not for Sagi Kalev, I would be dead by now. He saved my life. That is something you cannot put a price tag on. In early September 2008, I called Sagi. I indicated that my healthy was very poor and that I needed an alternative to gastric bypass. He set an appointment on September 6, 2008 and from that time through December 2008 I worked out five days a week. In January, I increased my workouts to six times a week and twice a day! When I first started with Sagi, he took me at my own pace: gradually and very patiently increasing the exercise, weights, and activity. He was a very honest, considerate man whose pleasant personality made it a pleasure to be with him for an hour each day. Although Sagi was very laid back, he was also very results oriented. In September, I weighed 466 lbs. Five months later, I have lost 136 lbs, and feel 100% better. My health has also improved significantly. I want everyone who reads this to understand that Sagi Kalev is a very special individual. He is not like most people or most trainers. He does not allow you to give up and he supports you in every way to attain your fitness goals. In my mind, he is elevated to a much higher level of professionalism than any other personal trainer that exists. I am very glad Sagi and I met and he agreed to assist me. In my opinion, there is no one like him in the world! Sagi Kalev is the best!

    Jon Leo G.
  • Prior to my first consultation with Sagi Kalev I was overweight, had extremely low self esteem, suffered from depression and I was taking high doses of anti-depressants and ADHD medications.  With his help I was able to get in the best shape of my life and accomplish a life long dream of mine, being pictured in a national fitness magazine, a dream I had given up on.  As we worked through the process of improving my overall health and fitness I was able to stop taking both my anti-depressants and my ADHD medications.  I had become a completely different person inside and out and felt so much better about myself.  The journey was not easy, but I always had Sagi there to hold me accountable and tell me what I needed to hear, not what I wanted to hear.  Sagi helped me to turn my life around in so many ways and has taught me a new way to live my life and how to look at life, all of which I am very thankful for.

    Mark M.
  • For two years I had been suffering from inexplicable weight gain, insomnia, and fatigue despite my best efforts to eat clean and exercise at least 2 hours a day 5 times per week. Visits to other doctors had turned out fruitless. One doctor tried a quick fix of putting me on testosterone cream, but that only helped slightly and temporarily.

    When I started working with Sagi, I decided to trust him completely and the process. After a series of tests–from saliva, to stool, to blood–we discovered that I had a host of issues going on. Sagi helped me get to the root cause of my symptoms. I meticulously followed his supplementation and dietary protocol, cut back on the amount of exercise temporarily, and within two months I felt like a brand new person.

    In fact, I am a whole new, better version of myself from the inside out. Eating had become scary because it seemed that even a minor splurge would result in an added pound and it did! Little did I know that I had been eating all the wrong foods and that my body was begging to be healed. I’m also a take-action/results-oriented person. Despite struggling badly with poor sleep, weight gain and fatigue, I still got my work done and did what I needed to do. But I can now tell you, there’s a huge, and I mean huge difference between dragging yourself through life and being fully alive and vibrant in it. I can truly say that I feel fully alive and vibrant. Sagi was a God-send. Without his help I’m sure I would still be struggling.

    Barbara D.
  • Prior to seeing Sagi, I was suffering from fatigue, insomnia, digestive issues and unexplained weight gain. It seemed like the more I ate clean and exercised, the more I gained weight. I was truly feeling desperate.

    I had a goal to transform my body to do a photoshoot and men’s physique competing. We did a bunch of testing–blood work, hair analysis, stool, and saliva. My tests revealed that I had all sort of issues going on. Sagi was able to help transform my body with workouts and nutrition that have completely changed my life and my mind! I did my first photoshoot and now I’m getting ready to compete next year!

    As far as mentally, Sagi helped me really get over a lot of old tapes in my head and beliefs that I had about myself that were holding me back and get focused on my goals and what I want out of life to become more productive and a better person over all.

    Also, I had trouble sleeping prior to working with Sagi and we were able to organize my diet in a way that now I have no trouble sleeping and wake up more rested every morning!

    Sagi is amazing. Can’t say enough about working with him. He is a therapist, nutritionist, scientist and genius all at once. He has a gift, a lot of gifts really, but most of all loves helping people and really helping you come to grips with reality about what needs to be done to because the best version of you possible!

    Thank you Sagi for helping me become the best version of me that I could possibly be!


About Sagi Kalev

Sagi Kalev is a Clinical Nutritionist and functional medicine expert currently living in Dallas, Texas. He serves clients both at Thrive Institute in Dallas as well as all over the world via phone consultations or teleconferencing. Sagi brings a wealth of experience to his practice. In addition to his extensive training and education in functional medicine, his true passion, Sagi’s practice is informed by his 25 years as a professional bodybuilder, almost a decade as one of the world’s leading fitness models, and over 15 years as a Certified Pro Personal Trainer with PROPTA, the world’s leading personal trainers and nutrition agency. He is currently the Senior Director-Examiner of PROPTA and was inducted into the agency’s Hall of Fame. Sagi is also the creator of Body Beast, Beachbody’s popular in-home training fitness program for both men and women designed to build lean muscle mass.