Are You Training for Strength… but Under-Fueling Your Body?

 
 

If you’re in your 40s or 50s and training consistently, lifting, riding, pushing yourself on the bike, but still eating like you’re trying to “stay small”… it might be time to rethink your approach.

Because what worked in your 20s doesn’t support what your body needs now.

Your Bones Are Not Static—They’re Living Tissue

Bone isn’t something you “have” and then slowly lose. It’s active, constantly remodeling based on the demands you place on it.

When you strength train, your body gets the signal:
build stronger bone.

But here’s the part that often gets missed:
your body also needs enough fuel to actually follow through on that process.

Without it, you’re sending mixed messages:

  • Train hard → “get stronger”

  • Under-fuel → “we don’t have the resources”

And over time, that mismatch matters.

The Hidden Risk of Under-Eating While Training

Chronic under-fueling, especially when paired with consistent training, can increase your risk of:

  • Bone density loss

  • Stress reactions

  • Stress fractures

  • Osteopenia

This isn’t just something that affects elite athletes.

In fact, many recreational, active women in midlife are some of the most under-fueled, often unintentionally.

They’re doing all the “right” things:

  • showing up to workouts

  • building strength

  • staying consistent

But still eating through the lens of restriction.

Understanding RED-S: It’s Not Just for Pros

The Relative Energy Deficiency in Sport (RED-S), recognized by the International Olympic Committee, describes what happens when your body doesn’t have enough energy to support both training and essential physiological functions.

That includes:

  • bone health

  • hormone function

  • recovery

  • metabolism

And importantly, this doesn’t require extreme behavior.

You don’t have to be overtraining for hours a day or severely restricting calories.
Even a moderate, chronic energy gap over time can have real consequences.

Strength Training Builds Bone—Nutrition Protects It

Resistance training is one of the most powerful tools you have in midlife. It helps maintain and even improve bone density, muscle mass, and overall resilience.

But training alone isn’t enough.

Think of it this way:

  • Training = the stimulus

  • Nutrition = the support system

Without adequate nutrition, especially enough overall calories, protein, and carbohydrates—you limit your body’s ability to adapt, repair, and get stronger.

Midlife Isn’t the Time to Shrink—It’s the Time to Fortify

There’s a shift that needs to happen here.

Instead of asking:

“How can I eat less to stay small?”

Start asking:

“How can I fuel in a way that supports strength, longevity, and performance?”

Because the goal isn’t just to keep moving now, it’s to stay strong, capable, and injury-resistant for years to come.

What “Enough” Actually Looks Like

This doesn’t mean extreme calorie increases or abandoning structure.

It means aligned fueling:

  • Eating enough to support your training load

  • Prioritizing protein for muscle repair

  • Including carbohydrates to fuel performance and recovery

  • Closing gaps that might be holding you back

And most importantly, doing it in a way that feels sustainable and realistic for your life.

Not Sure If You’re Eating Enough?

This is exactly what we sort out in a Nutrition Roadmap session.

Together, we look at:

  • your current training load

  • your daily intake

  • protein and carbohydrate targets

  • recovery gaps

  • simple, realistic adjustments

No extremes.
No diet culture.
Just a clear strategy to support your body.

Strong bones don’t happen by accident.
They’re built through training, and protected through how you fuel.

If you’re putting in the work, your nutrition should support it.

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