My Ramblings.

30+ Years In the Trenches Helping Women Transform Their Bodies.

The Forever Home Body Blueprint: Why Most Women Get Recomp Completely Wrong
Jennifer Kersten Jennifer Kersten

The Forever Home Body Blueprint: Why Most Women Get Recomp Completely Wrong

If you spend any time in the fitness space, you have probably heard the term body recomposition.

Most people define it the same way:

Losing body fat while gaining muscle at the same time.

Technically, that can happen.

But only under very specific circumstances, and it is not a reliable long-term strategy.

This misunderstanding is one of the biggest reasons women spin their wheels for years.

They believe they should be able to:

  • build muscle

  • lose fat

  • improve strength

  • tighten their physique

all simultaneously, all the time.

That is not how physiology works.

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The Hidden Costs of Chronic Calorie Restriction for Women Over 35
Jennifer Kersten Jennifer Kersten

The Hidden Costs of Chronic Calorie Restriction for Women Over 35

As high-achieving women, we are wired for success. We meticulously plan our careers, manage our households, and strive for excellence in every aspect of our lives. When it comes to our bodies, this drive often translates into a relentless pursuit of control, particularly through diet. For decades, the prevailing wisdom has been simple: eat less, move more. But for women over 35, especially those navigating the complexities of modern life, chronic calorie restriction often comes with a hidden, and often devastating, cost.

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How Smart Women Get Stuck
Jennifer Kersten Jennifer Kersten

How Smart Women Get Stuck

You’re smart. You know your stuff. You’ve joined the FB groups, watched the reels, saved the posts. AND your friend knows someone who knows someone that healed themselves. You get it.

And yet… here you are. Stuck. Resetting. Second-guessing yourself.

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What Really Happens When You Try to Coach Yourself
Jennifer Kersten Jennifer Kersten

What Really Happens When You Try to Coach Yourself

At some point, most women who have been “into fitness” for a long time decide they can coach themselves.

You’ve read the books.
You’ve run the plans.
You’ve tracked, reversed, dieted, built, cut, maintained.
You know what you’re doing… right?

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A Harsh Truth — And I Know This Will Hit Some Nerves
Jennifer Kersten Jennifer Kersten

A Harsh Truth — And I Know This Will Hit Some Nerves

I know this will hit some cords.
I know some people won’t like it.
But it needs to be said.

I do not believe competing is a healthy or appropriate path for most women — and that belief has cost me clients, money, and reputation over the years. I’m okay with that.

Because what I’ve seen in the trenches tells a very different story than what social media sells.

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Methylation: Why You’re “Doing Everything Right” and Still Feel Off
Jennifer Kersten Jennifer Kersten

Methylation: Why You’re “Doing Everything Right” and Still Feel Off

If you’re a woman in your late 30s, 40s, or beyond, chances are you’ve had this thought at least once:

“I eat well. I train. I’ve done the diets. I’m disciplined. So why does my body still feel off?”

Low energy. Poor stress tolerance. Mood shifts. Inflammation. Hormonal chaos that doesn’t respond the way it used to.

This is often where women blame themselves.

But what if the issue isn’t effort — it’s biochemistry?

Enter: methylation.

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is food noise haunting you?
Jennifer Kersten Jennifer Kersten

is food noise haunting you?

If you’ve ever felt like food is constantly on your mind—planning it, negotiating with yourself about it, feeling guilt before you’ve even eaten it—you’re not broken.

I’ve seen this pattern for decades, long before it had a name. Women who looked disciplined on the outside but felt exhausted and preoccupied on the inside. What most people now call food noise is something women have been quietly dealing with for years.

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From Vitamins to Vitality: How My Early Career Shaped Jennifer Kersten Fitness
Jennifer Kersten Jennifer Kersten

From Vitamins to Vitality: How My Early Career Shaped Jennifer Kersten Fitness

Before I started my coaching business, INJAFIT in 2013, I spent over a decade working in the health and wellness field in a way that laid the foundation for everything I do today. From 2000 to 2014, I was originally a holistic nutritionist, working as the Vitamins & More Manager at one of Canada’s top 50 managed companies, Thrifty Foods. But my role went far beyond managing a department.

I wasn’t just overseeing supplements and natural foods—I was a holistic nutrition advisor and functional wellness consultant, helping everyday people navigate complex health challenges. I worked closely with customers experiencing medical complications, often bridging the gap between pharmacists and individuals, finding root causes, and developing personalized strategies to support their wellness.

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My layer of life- Seasons of Health, Acceptance, and Reality
Jennifer Kersten Jennifer Kersten

My layer of life- Seasons of Health, Acceptance, and Reality

Holding On to the Old Version of Myself

When my health started declining in late 2018 going into 2019, I was desperate to hold onto the old version of myself — the one I knew and trusted, the one that could push through anything, that could grind in the gym, hit stage goals, and “perform” as I had for years.

When Body and Mind Don’t Align

As the years went on, I realized just how disappointing it was when my body was telling a different story from my mind. I wanted to be strong, lean, disciplined — but my body, weakened by health issues, inflammation, and chronic stress, was saying, “Not today, Jenn.”

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Your Metabolism Isn’t Broken
Jennifer Kersten Jennifer Kersten

Your Metabolism Isn’t Broken

You Just Created an Environment It Had to Survive

Let’s get one thing straight:

Your metabolism is not broken.
It didn’t fail you.
It didn’t stop working.
And you don’t need to be “fixed.”

What did happen is this: you created an environment that worked against your body—and your body adapted exactly the way it’s designed to. And then diet culture, social media, and all the “quick fix” gurus told you that adaptation meant something was wrong with you.

I know this because I’ve been coaching metabolism since 2013—long before the fads, the gimmicks, and the Instagram “experts” promising magic fixes. I’ve seen it all: extreme diets, endless cycles of restriction and rebound, overtraining, and the obsession with control. And here’s what I’ve learned: the body doesn’t betray you. It adapts. It responds intelligently to what you put it through.

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Can a Reverse Diet Help Your Perimenopause Symptoms?
Jennifer Kersten Jennifer Kersten

Can a Reverse Diet Help Your Perimenopause Symptoms?

If you’re in your 40s and feel exhausted, inflamed, moody, or like nothing is working anymore, you’re not failing.

Chances are, you’re under-fueling—and it’s quietly making perimenopause symptoms worse.

This happens to a lot of women, and most don’t realize it until their body starts pushing back.

Why So Many Women Start Under-Eating After 40

For decades, women have been told that metabolism “slows down” with age.
So what’s the logical response?

We eat less.
We skip meals.
We tighten control.
We push harder.

All while juggling careers, families, workouts, stress, and a nervous system that never really gets a break.

The problem?
This strategy often backfires—especially during perimenopause.

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Flexible Dieting: Why I’m a Fan — And Where It Can Go Wrong
Jennifer Kersten Jennifer Kersten

Flexible Dieting: Why I’m a Fan — And Where It Can Go Wrong

In a world of extremes, flexible dieting is often misunderstood.

Some people hear “flexible” and think eat whatever you want.
Others hear it and assume it’s just another rigid system dressed up to look relaxed.

The truth sits somewhere in the middle — and when used correctly, flexible dieting can be one of the most sustainable nutrition models available, especially for women navigating hormones, busy lives, and years of diet baggage.

I’ve been coaching nutrition for decades, and I’ve watched trends come and go. Flexible dieting is one model that can work incredibly well — if it’s applied with intention, education, and self-awareness.

Let’s break it down honestly.

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Feeling Stuck? How to Get Back in Control and Move Forward
Jennifer Kersten Jennifer Kersten

Feeling Stuck? How to Get Back in Control and Move Forward

Your mind is your most powerful asset.
Where you place your attention becomes your intention.

If you’re feeling stuck right now — truly stuck — you’re not alone.

Not knowing where to start (or how to reset), feeling limited by time, dealing with illness or injury, navigating information overload, worrying about finances, or simply not prioritizing yourself anymore are all very real parts of life. But this is also where all-or-nothing thinking quietly takes over.

And that’s where progress stops.

When you don’t know where to begin, it’s easy to fall into endless scrolling, researching, saving workouts, and consuming information — without ever actually starting.

Life gets busy. Kids, work, and keeping the household running often come first, so your own care gets pushed aside. You tell yourself you’ll get back to it later, when things calm down or when life feels easier.

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GLP-1s and Therapeutic Peptides: Powerful Tools — Why Coaching Still Matters
Jennifer Kersten Jennifer Kersten

GLP-1s and Therapeutic Peptides: Powerful Tools — Why Coaching Still Matters

GLP-1 medications and therapeutic peptides are becoming more common in the health and fitness space, especially among women over 40 who are navigating hormonal shifts, stubborn fat loss, injuries, inflammation, or recovery challenges.

I want to be clear from the start:

I’m not opposed to them.

I’ve seen GLP-1s help some women quiet constant food noise, and I’ve seen peptides like BP-157 and TB-500 significantly improve recovery, gut health, and injury healing in both clients and colleagues.

These tools can be incredibly helpful — when used thoughtfully.

But they are still just tools.

Without structure, education, and coaching, even the best tools can create new problems instead of long-term solutions.

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Breaking the Cycle: Chronic Dieting, Fat Loss Obsession, and Sustainable Body Composition
Jennifer Kersten Jennifer Kersten

Breaking the Cycle: Chronic Dieting, Fat Loss Obsession, and Sustainable Body Composition

This blog is a follow-up to a recent video I shared on why so many women struggle to lose weight — and more importantly, why they can’t keep it off.

If that video resonated with you, this is where we go deeper into the role chronic dieting and fat loss obsession play in that cycle.

For decades, women have been taught that fat loss is the ultimate measure of success.

Eat less. Move more. Shrink your body. Start again on Monday.

This cycle has been normalized to the point where chronic dieting isn’t seen as a red flag — it’s seen as discipline. But the truth is, an ongoing obsession with fat loss is one of the biggest barriers to long-term, sustainable body composition change, especially for women over 35 navigating hormonal shifts, stress, and real-life responsibilities.

Let’s talk about why.

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