Metabolism · Macros · Contest Prep · Since 2001

Stop FightingYour Body.

It is time to repair, rebuild, and reclaim the body you actually get to keep.

I work with high-achieving women who are doing everything right — and still feel stuck. Whether you have been in the diet loop for years, you are a former competitor whose body has stopped responding, or you are ready to step back on stage — I have spent over two decades helping women transform without extreme dieting, endless cardio, or starting over every few months.

Apply to Work With Me See the Program
Sound Familiar?

Still Struggling — Despite Doing Everything Right?

You are showing up in the gym. You are tracking your food — or at least trying. You have cut carbs, considered HRT, and pushed harder than most people ever will. And yet your body keeps pushing back.

Here is what I want you to hear: you are not broken. Your body has adapted exactly to the patterns you have been following. The reason your results are not sticking is not your discipline — it is the strategy. It is the old plans and outdated templates you keep recycling because they worked once and you are hoping they will work again.

They will not. Not at this stage of your life. Not with this body. Not with this history.

Your metabolism is not your enemy. It is trying to protect you. My job is to show it that it does not have to anymore.
Meet Your Coach

Hi, I am Jennifer.

Metabolism & Macros Coach · Figure Competitor · Dance Mom · Fitness Training Since 1996

If you have spent years doing everything right and your body still is not responding — I want you to know something. I have been exactly where you are. Not as a coach watching from the outside. As a woman living it.

I started competing in 2000. I have coached women from their very first competition all the way to the IFBB Pro stage. I have spent nearly three decades inside an industry that sells restriction as a solution — and I have personally experienced the damage that approach leaves behind.

"I had to rebuild my own metabolism before I could properly help others rebuild theirs. That experience did not just change how I coach — it became the foundation of everything I do."

The women I work with are not lazy. They are not undisciplined. They are exhausted from doing everything they were told to do — and getting less back every time. That is not a willpower problem. That is a strategy problem.

I built this work around one belief: your body is not your enemy. It has simply been given the wrong information for too long. My job is to change that — and to give you a body you actually get to keep. Your Forever Home Body.

Since 1996 Fitness training & group fitness coaching
Since 2000 Competing in fitness & figure · coaching competitors to IFBB Pro
2000 – 2014 Vitamins & holistic nutrition specialist · Thrifty Foods
Since 2013 Online coaching pioneer · INJAFit founder · Jennifer Kersten Fitness
28+ Years Coaching
1000s of Women Transformed
2 Signature Programs
Work With Me
Client Transformations

Real Women. Real Results.

These are the women who stopped fighting their bodies — and started building them.

Side-by-side comparison of a woman before and after fitness transformation showing weight loss and muscle tone improvements, wearing black workout and bikini attire.
Side-by-side comparison of a woman’s back, showing before and after fitness transformation in a gym. Left shows her with a slimmer physique, right shows her with a more muscular, toned physique.
Side-by-side photos of a female bodybuilder posing on stage in a bikini, with a number tag and clear muscular definition.
Side-by-side comparison of a woman before and after a fitness transformation. In the 'before' photo, she is standing in profile with a relaxed posture, wearing a black sports bra, green underwear, and clear high heels. In the 'after' photo, she is in
Side-by-side comparison of a woman flexing her biceps in black underwear, showing her progress in muscle tone and body composition.
Side-by-side comparison of a woman in athletic wear, showing a fitness transformation. In the left image, she has a slightly less toned physique, while in the right image, she appears more toned with visible muscle definition.
Side-by-side comparison photo of a woman in a black bikini on the left and a blue bikini on the right, showing her muscular physique.
Side-by-side comparison photos of a woman with short blonde hair, wearing different bikinis. The left photo shows her in a multicolored patterned bikini, facing forward in a room with a white door and blue wall. The right photo shows her in a blue bi
Two women standing together at a fitness or bodybuilding event, one in casual clothing with a badge, the other in a sparkling blue bikini and high heels, both smiling at the camera.
A female bodybuilder with tanned skin and long dark hair on stage at a bodybuilding competition, wearing a teal bikini, smiling and flexing muscles, with a large digital backdrop behind her displaying 'Arnold Amateur Orlando 2023'.
A woman with long, curly hair walking on stage during a bodybuilding or fitness competition. She is wearing high heels and a bikini with the number 223. The scene is in black and white.
A female bodybuilder with long blonde hair posing on stage in a bikini and high heels, showcasing her muscular physique.
A woman with long, blonde, curly hair standing on stage in a bikini, facing away. The background includes banners and text related to a fitness or bodybuilding event.
A female bodybuilder poses on stage during a competition wearing a blue bikini with rhinestones, showing muscular physique. Another woman is visible in the background.
A female bodybuilder wearing a pink bikini and a tiara stands on a stage at the Northern Classic event. She poses with a smile, showcasing her muscular physique. There is a trophy and a bag on the floor beside her.
A female bodybuilder on stage, wearing a blue bikini and clear high heels, with a competitor number 70, surrounded by others in similar attire backstage.
A woman with long dark hair wearing a tiara and a pink bikini, holding large trophies in both hands, standing on a patterned carpeted floor against a plain wall, with a competitor number 107 on her waist and a trophy at her feet.
Two smiling women, one in a white dress and the other in a pageant outfit, with the woman in the outfit being carried by the woman in the white dress.
A female bodybuilder wearing a blue bikini and high heels, holding a medal, standing in front of a sign that reads 'Vancouver Island Showdown.'
A group of women in bikini competition on stage, with a woman in a pink bikini at the front, smiling and posing.
Four women in bikinis on stage at a bodybuilding or fitness competition, posing to showcase their muscles, with a dark striped background and the event logo.
A female bodybuilder with long hair, wearing a blue bikini encrusted with rhinestones, posing on stage at a bodybuilding competition.
A female competitive bodybuilder in a purple bikini with rhinestones, wearing medals around her neck, standing on a red carpet in front of a banner that reads "Vancouver Island SHOWDOWN PROFESSIONAL" with mountain and pine tree graphics.
A female fitness competitor in a bikini, standing on stage in a bodybuilding competition, with a backdrop displaying the event name and date.
A woman in a bikini with a competition number and medals, standing outdoors near a marina, smiling and showing her muscles.
A female bodybuilder with dark hair holding a large silver trophy, smiling, standing on a stage in front of a backdrop with fitness logos and the words WISCONSIN and SHREDDED CHEDDAR PRODUCTIONS.
Two female bodybuilders with muscular physiques in blue bikinis at a bodybuilding competition. The woman in the foreground is smiling and waving, while the woman in the background is adjusting her hair.
A woman with long dark hair in a yellow bikini and high heels standing on stage, holding an award and smiling.
Seven women, six dressed in bikinis with competition numbers, and one woman in casual clothing, standing outdoors in front of a brick building and black metal fence, some wearing high heels, posing for a photo.
A female bodybuilder with short blonde hair in a blue bikini on stage during a competition, smiling and posing.
A woman in a blue bikini with rhinestones, wearing clear high heels, a medal around her neck, and a contestant number 107, standing in a backstage area with bags, a ladder, and a trash bin in the background.
A female bodybuilder in a purple bikini posing on stage at a competition.
A woman with red hair wearing a black and white checkered bikini, posing on stage with her arms raised holding a trophy, smiling confidently. She has tattoos on her left thigh and right side, and a contestant number 14 on her bikini bottom. The backg
Two women in blue bikinis with medals around their necks, posing backstage after a competition, smiling.
A female bodybuilder with long blonde hair in a teal bikini with rhinestones on a stage, showing her muscular back and glutes, with a tattoo on her lower back.
Three women in bikinis and high heels posing on a stage during a competition or event.
A woman in a red bikini with rhinestones on stage at a bodybuilding or fitness competition.
A woman wearing a tiara and a blue bikini top holding a gorilla statue trophy, smiling at what appears to be a competition or event with a purple backdrop.
A female bodybuilder on stage during a competition, wearing a sparkly blue bikini, posing with one hand on her hip, with a background banner and another competitor behind her.
A woman in a sparkly bikini holding two large trophies, smiling in a backstage or storage area with stacked chairs and carts.
A woman in a blue bikini with rhinestones, holding a trophy, standing in a bathroom with white tiled walls and a paper towel dispenser.
A female bodybuilder in a blue bikini competitively posing on stage at a bodybuilding contest.
Five female fitness competitors wearing sparkling bikinis and crowns, holding medals, standing on stage with a purple backdrop, at a bodybuilding competition.
A woman in a green embellished bikini holding a trophy and wearing a medal, standing in front of a backdrop with a skull design at a fitness competition.
A woman in a bikini with a red and black top and brown bottoms standing on stage at a bodybuilding or fitness competition, smiling with her hand on her hip.
A woman holding three bodybuilding trophies at an outdoor event, smiling at the camera.
A female bodybuilder on stage in a bikini, striking a pose during a competition.
Female bodybuilder on stage in a bikini, smiling. Background shows a banner with sports event text.
A woman in a blue bikini holding a trophy in a dressing room area, smiling at the camera.
A female bodybuilder with long blonde hair posing on stage during a competition, wearing a sparkly blue bikini and smiling.
A woman with blonde hair in a blue bikini posing on stage at a bodybuilding or fitness competition, with a green and black backdrop featuring a mountain and pine tree design and the word 'Showdown'.
A female bodybuilder with blonde hair and tattoos poses on stage in a purple bikini with sparkles at a bodybuilding competition, with a backdrop featuring trees and a mountain logo.
A woman competing in a bodybuilding or fitness competition, wearing a teal bikini and clear high heels, posing on stage with a smile. The background features a large logo with mountains and trees, and the words 'NOVER' and 'WDOWN' are visible.
Two women, one in casual clothing and the other a female bodybuilder, stand together at a bodybuilding competition. The bodybuilder is in a sparkling blue bikini, showing off her muscular physique, and has a competition number on her wrist.
A female bodybuilding competitor on stage wearing a blue bikini with a number 125 badge, posing in front of a green and black backdrop with mountain and pine tree graphics.
A woman in a red and pink sparkly bikini holding a trophy, standing in front of a backdrop with the logo 'Muscle Insider', smiling with one arm raised in victory.
Two female bodybuilders in red bikinis posing on stage during a fitness competition.
Five women in bikinis and high heels standing in a line, posing for a photo. The image is in black and white.
A woman in a black dress holding an award medal stands in front of a backdrop with fitness and performance logos at a formal event.
A female bodybuilder with tan skin and long dark hair on stage in a blue bikini, posing at a competition with a 'Vancouver' sign and pine trees in the background.
Side-by-side comparison of a woman in a black bikini on the left and a blue bikini on the right, both posing in a room with kitchen cabinets and a refrigerator in the background.
A female bodybuilder in a turquoise bikini holding three bodybuilding trophies at a competition event.
A female bodybuilder is standing in a spotlight backstage, wearing a sparkly blue bikini and clear high heels, with a small trophy and a gym bag on the floor nearby.
Comparison of three women in bikinis, showing different body transformations, viewed from the back.
Three women in bikini competition posing on stage with medals around their necks
A woman with blonde hair, tattoos on her arms, and wearing a blue sparkly bikini top and a crown is smiling and holding a trophy of a muscular ape or gorilla. She has a pink medal around her neck and appears to be at a bodybuilding or fitness competi
A female bodybuilder with a crown and sash standing on stage, holding a trophy, at a bodybuilding competition, with a blue background and the words "VDC Natural" and "Overall Winner".
Two women in bikinis posing indoors, with kitchen backgrounds visible.
Side-by-side photos of a woman with red hair showing a before and after fitness transformation, with the text "Jennifer Kersten Fitness" at the bottom.
Side-by-side comparison of a woman before and after weight loss, standing in a bedroom, with the caption "Jennifer Kersten Fitness."
Side-by-side photos of a woman in black workout attire, showing her body progress. The left photo displays her before fitness, the right shows her after fitness, highlighting improved muscle tone and body composition. The text "Jennifer Kersten Fitne
Side-by-side comparison of a woman in black workout attire. On the left, she has long black hair, glasses, and tattoos on her arms. On the right, she has her hair in a bun and is standing in a bathroom. The text 'Jennifer Kersten Fitness' is at the b
Side-by-side photos showing a woman before and after fitness transformation. The left image shows her standing outdoors in a bikini, facing away. The right image shows her indoors in workout clothes, flexing her arm.
Side-by-side comparison of a woman before and after weight loss or fitness progress, standing in similar pose in a room with desert-themed artwork.
Ready When You Are

Your Forever Home Body
Starts Here.

You have spent enough time fighting your body. I have spent nearly three decades learning exactly how to help you stop. When you are ready — I am here.

Apply to Work With Me Applications reviewed personally. Limited spots available.