More Than You’re Getting. Probably a Lot More.
Somewhere along the way, a lot of us absorbed the same message: eat less, weigh less, feel better. And for a while, it seemed to work. Until it didn’t.
I know this personally.
When I trained for my first Ironman, I thought I understood nutrition. I was disciplined. I was committed. I was doing what I believed was right. But endurance training has a completely different fuel demand than building muscle, and I didn’t fully understand that yet. I was asking my body to perform at an extraordinary level while under-fueling it. I got away with it for a while. My body forgave me. Until it couldn’t anymore.
Then in my mid-40s, everything changed again. I stepped into training for my first fitness competition, and suddenly it wasn’t about endurance. It was about building muscle, shaping my physique, and recovering at a level I’d never experienced. I had to unlearn the biggest lie I’d been telling myself: that eating less would make me leaner.
The opposite was true.
I went from three meals a day to six smaller, intentional meals designed around protein, recovery, and metabolic efficiency. I started eating more, not less. And my body responded in ways that stunned me. More energy, more strength, better body composition, and a relationship with food that finally felt like partnership instead of punishment.
That shift is the foundation of how I now coach every woman who walks through my door. And it starts with one question: are you eating enough protein?
Why Protein Changes After 40
As you move through your 40s and beyond, your body becomes less responsive to the signals that drive muscle growth and repair. Researchers call this anabolic resistance. Your muscles essentially need a louder signal and more raw material to do the same work they did ten years ago.
The Harvard T.H. Chan School of Public Health confirms that protein is essential for preserving lean muscle, supporting metabolic function, and maintaining health as we age. Meanwhile, the National Institute on Aging highlights that muscle loss accelerates significantly when protein intake and resistance training aren’t prioritized.
This is the foundation of building muscle after 40 and 50, and protein is the single most under-consumed nutrient I see in the women I work with.
The Number: How Much You Actually Need
A strong starting point for active women over 40 is 0.7 to 1 gram of protein per pound of body weight per day.
I know. That probably sounds like a lot. For most women I coach, it’s nearly double what they were eating when we started. And I completely understand the resistance. You’ve spent years being told that smaller portions equal better health.
But when your body finally gets what it needs, the shift is undeniable. Workouts start producing visible results. Energy stabilizes instead of crashing at 2 p.m. Cravings quiet down because your body isn’t screaming for nutrients it’s been missing. And for women looking to further support recovery and performance, understanding whether creatine is right for you can be a natural next step.
This isn’t about perfection. It’s about closing the gap between what your body needs and what it’s been getting.
This is one of the first things I dial in with my nutrition coaching clients, because everything changes when your body finally gets what it needs.
The Signs You’re Not Getting Enough
Most women don’t realize they’re under-eating protein because the signals are subtle. They masquerade as other things.
That low-grade fatigue you can’t shake no matter how much sleep you get. The cravings that keep circling back, especially in the afternoon. Workouts that feel harder than they should and produce less than you expect. A body that feels softer instead of stronger despite consistent effort. Recovery that drags on for days when it used to take one.
These aren’t signs of failure or aging catching up to you. They’re your body communicating a nutrient deficit. When you start listening instead of pushing through, the conversation changes entirely.
Why Spacing Your Protein Matters
One of the most impactful changes I made, and one I now coach all my clients through, was how I spread protein across the day.
When I shifted from a few large meals to smaller, consistent feedings, the difference was immediate. My recovery improved. My energy held steady from morning through my last session. My body composition started responding to the training I was already doing.
You don’t need a rigid six-meal-a-day plan. But going long stretches without protein (skipping breakfast, having a carb-heavy lunch, then trying to make up for it at dinner) leaves your muscles without the building material they need for hours at a time. Your body can only use so much protein in one sitting, so spreading it out gives your muscles a consistent supply throughout the day.
What This Actually Looks Like
This doesn’t need to be complicated. It can look like:
Morning: Three eggs scrambled with spinach, a slice of Ezekiel toast. Or Greek yogurt with berries and a scoop of protein powder stirred in.
Mid-morning: A handful of almonds and a cheese stick. Or a small protein shake if you’re between clients or on the go.
Lunch: Grilled chicken over a big salad with avocado and olive oil. Or leftover salmon with sweet potato and roasted vegetables.
Afternoon: Turkey roll-ups with hummus. Or cottage cheese with sliced cucumber and everything seasoning.
Dinner: Ground turkey stir-fry with brown rice and mixed vegetables. Or a lean steak with roasted broccoli and a small baked potato.
Evening (if training late): A casein protein shake or a small bowl of Greek yogurt before bed to support overnight recovery.
Every one of those meals has 20 to 40 grams of protein. That’s the rhythm. That’s what your body needs to hear.
The Bigger Picture
Protein isn’t just about building muscle. It’s about supporting a body that can carry you through your life with strength, energy, and confidence.
When you pair adequate protein with consistent strength training and real recovery, you’re not just changing your physique. You’re changing how your body functions: your metabolism, your hormones, your resilience, your mood. This is about longevity.
You Don’t Need to Eat Less. You Need to Eat With Purpose.
More nourishment. More strength. More intention.
Frequently Asked Questions About Building Muscle After 40
Is eating more protein going to make me bulky?
No. I’ve been lifting heavy and eating high protein for years, and I compete in women’s fitness, not bodybuilding. More protein will make you feel stronger, more defined, and more energized. “Bulky” requires a very specific, years-long protocol that general strength training does not produce.
What if I’m not hungry enough to eat that much protein?
Start where you are. Add protein to one meal at a time and let your body adjust. Most women find that as their nutrition improves, their appetite naturally increases to match. It’s a sign your metabolism is waking up.
An Affirmation for You:
I am fueling my body to support the life I desire. I choose strength over restriction. Every meal is an investment in the woman I am becoming.
If you’re ready to feel confident in how you’re fueling your body and want a more personalized approach to building strength, energy, and confidence, you can explore my nutrition coaching services or reach out to connect with me here.
Love Yourself,
Jen Calling 💖
