X-FIT has established itself as the #1 most trusted and respected provider of private personal fitness training brand in Bangkok for the past 14 years.


Our fitness training programs and plant based nutrition have become legendary in Bangkok for producing body and life changing results.


We have gained our reputation as the fitness training brand in Bangkok you can trust with Internationally acclaimed personal trainer, Dennis Romatz as our Head Personal Trainer.


+66 0981015563  WhatsApp

Line App:  dennisromatz


99, 387 Rama IX  Rd

Huay Kwang, Din Daeng

Krung Thep Maha Nakhon


Mon. - Fri. 6am - 8pm

Sat. & Sun. 7am - 4pm

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X-FIT Bangkok Personal Trainer

Bangkok's Most Trusted Personal Fitness Training Company Since 2005

Copyright 2009 X-FIT Bangkok Personal Trainer

X-FIT Weight Loss & Body Fat Reduction in Bangkok

We deliver fitness training & nutrition programs to Bangkok Expats for rapid, significant & sustainable weight loss and body fat reduction.

"Imagine stepping onto the scale and the number is lower.....every day.  That's the cool reality of our weight loss personal fitness training program."  - Dennis Romatz, X-FIT

Healthy, Sustainable Weight Loss & Body Fat Reduction Via Fitness Training & Nutritional Guidance

X-FIT offers weight loss & body fat reduction programs via fitness training and nutritional guidance which are virtually guaranteed to have your scale weight significantly lower and your body size much smaller. 

We achieve weight loss with 100% of our clients using intelligent fitness training programming while monitoring biometrics with a Polar heart rate monitor to accurately track your progress and scale your workouts.

Get Started With Weight Loss Personal Training >​

Weight Loss Achieved With Personal Fitness Training 

We guarantee weight loss, body fat reduction and a smaller waist line size.

We are able to ensure significant weight loss via fitness training because we prescribe very specific and effective fat reduction training programs which are supported by proper nutritional guidance.


We monitor our client's exercise performance in real time with a Polar H10 wearable heart rate monitor. 

This enables us to track your biometrics and make deviations in training intensity according to the number of calories you need to be deficient to be on a course to burn fat and lose weight. 

As a rule, I need my clients to burn 500 calories in a 50 minute training session (combined with proper nutritional guidance) to have a daily body weight reduction of between .75 and 1 pound.  

Get Started With Weight Loss Personal Training >

Weight Loss Achieved With Appropriate Nutritional Guidance

We supplement every weight loss specific fitness training program with nutritional guidance, meal plans and food education.

It is absolutely imperative that our clients understand the significance of the foods they eat and how they effect their body fat percentages and ultimately their weight.

We monitor our client's daily food intake during each fitness training session.  We also chart weekly and monthly food consumption to get a clear understanding of weight loss amounts during strict days and cheat days.

Food recommendations are made on a daily basis according to your body's reaction and recovery for each workout and as we scale the intensity to achieve more caloric deficiency for greater weight loss.

We Specialize in Weight Loss & Body Fat Reduction

We guarantee our clients weight loss because we prescribe appropriate visceral & subcutaneous fat burning exercise protocols and support them with proper nutritional guidance for caloric expenditure.

We use Polar wearable heart rate monitor technology.  This allows us micro-manage your biometrics to target and attain heart rates necessary for the physiological fat burning reaction to occur.








098 101 5563  WhatsApp

X-FIT Bangkok Personal Trainer Fitness For Weight Loss


Guaranteed Weight Loss & Body Fat Reduction For Everyone


X-FIT knows full well that the most desired goal is weight loss.  I have answered the phone and read email for more than 32 years regarding our clients wanting to be lighter and slimmer.

So what do we do when we get so many weight loss requests? 

We become the best personal trainers in Bangkok for weight loss!

We have the tools for weight loss gained from our University education and years of weight loss training experience. 

We know that each person is unique and will require a personalized weight loss based fitness program.


We offer:

  • Weight Loss Support

  • Weight Loss Lifestyles

  • Weight Loss Workouts

  • Weight Loss Nutritional Guidance


We are also fit and healthy trainers who have never had a problem with weight loss.  We can easily put you on a weight loss program and have you slimmer and lighter in a short amount of time.

  • Weight Loss

  • Body Fat Reduction

  • Slim Thighs

  • Shapely Butt

  • Slim Waistline

  • Slim Abdomen


X-FIT will design the perfect weight loss program for you in the gym and on your plate.

We provide you with nutritional guidance necessary for being the catalyst for your weight reduction.

Please give us a call to get started on your weight loss fitness program today.

Weight loss is easier than you think.

Weight Loss, Body Fat Reduction, Slimming

It's no secret that a lot of people are overweight.  So, it may come as no surprise that weight loss is the most sought after Bangkok fitness training goal.

Our X-FIT Bangkok Personal Trainers specialize in weight reduction especially, Head Trainer, Dennis Romatz who 32 years experience in helping people get slim and reduce their body weight thru safe, effective weight loss training, nutritional counseling and proper meal planning.

You will lose weight with personal training from any of our Bangkok personal trainers.  Your exact amount of weight loss and waist size reduction entirely up to you!

Telephone 098 101 5563