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Strength Training

Strength Training & Hormone Balance: What’s the Link?

Tami Smith
Tami Smith
CPT, Founder of Simply Strong App
Updated December 6, 2025·Posted December 6, 2025·3 min read
Strength Training & Hormone Balance: What’s the Link?

If you’re over 35, you’ve probably started to notice some subtle shifts in your mood, energy, and body composition. Your hormones - estrogen, progesterone, cortisol, and even testosterone- all play a major role in how you feel in your body and how it responds to food and exercise. You might be feeling like everything that used to work in the past for you is no longer working.

Did you know that strength training is one of the most powerful tools you have to support hormone balance? It’s true! And in this post, I’m going to dive into why lifting weights matters more than ever as we age and how doing so can help you to feel stronger, healthier, more energized, and more confident in your body…despite the hormonal shifts and changes.

Why Hormones Matter After 35

As you probably already know, your hormones are the chemical messengers in your body that regulate everything from your metabolism to your sleep. Around your mid-thirties and beyond, your hormone levels begin to fluctuate, and with these fluctuations come some of these common scenarios:

  • Declining estrogen and progesterone levels (perimenopause and menopause)
  • Shifts in testosterone levels, which play a role in muscle maintenance
  • Increased cortisol levels due to stress, which can impact fat storage and energy

These shifts in your hormones can lead to fatigue, stubborn weight gain (particularly around your midsection), difficulty building or maintaining muscle mass, and changes in your mood and sleep. 

So What’s The Link Between Strength Training and Hormones?

Strength training is truly a secret weapon for aging women, especially when going up against changing hormones. Here’s how:

It Boosts Metabolism and Increases Muscle Mass

Muscle is a metabolically active tissue, which means it burns calories even when you’re at rest. Strength training helps you preserve and build lean muscle mass, which supports metabolism and stabilizes energy levels. Increased muscle mass also helps to balance insulin sensitivity, which plays a role in your body composition.

It Supports Healthy Estrogen and Progesterone Balance

Strength training does not replace hormones, but it positively influences how your body responds to estrogen and progesterone. Women who strength train regularly often experience fewer midlife energy dips and better body composition because their muscle and fat distribution is maintained.

It Helps Regulate Cortisol (Your Stress Hormone)

Regular strength training can help your body handle stress more effectively, lowering chronic cortisol levels over time. This is important because elevated cortisol contributes to fatigue, weight gain, and difficulty with sleeping. 

It Enhances Testosterone and Growth Hormone

Weight resistance training stimulates your body’s natural production of hormones like testosterone and growth hormone, both of which are critical for building muscle, burning fat, and maintaining healthy bone density. 

How to Strength Train for Hormone Support

If you’re looking to start reaping the benefits of strength training from a hormonal standpoint, here are some recommendations for making the most of your weight training journey:

  • Start with 3-4 sessions per week
  • Focus on compound movements like squats, deadlifts, presses, rows, and lunges, engaging multiple muscle groups at once to maximize hormone response.
  • Apply progressive overload, or the practice of gradually increasing your weight, reps, sets, or intensity over time to keep challenging your muscles.
  • Don’t forget about recovery; your rest days and sleep are just as important as your workouts for balancing your hormones and feeling your best.

The Bottom Line

Yes, strength training will help you improve your body composition and feel more confident in your jeans, but the real reason to do it extends far beyond the physical benefits. It’s one of the most effective ways to support your hormone balance as you age. Lifting weights consistently, prioritizing compound movements, and fueling your body properly can help to reduce midlife energy dips, maintain your lean muscle mass, and feel more in control of your body and your hormones. 

Ready to experience the benefits for yourself? The Simply Strong App is designed to help women 35+ use strength training to feel their best. With science-backed workouts, macro-friendly recipes, and a supportive community, you can harness the power of resistance training to support hormones, boost energy, and age strongly.

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The Home Strength Training Starter Kit

Not sure what equipment you need or where to start? Grab Tami's free Home Strength Training Starter Kit and get a simple equipment checklist, a beginner-friendly 30-minute legs and glutes workout, and the 12 rules every woman over 35 should know before starting a strength plan.

About The Author

Tami Smith

Tami Smith

CPT, Founder of Simply Strong App

I’m Tami Smith, a NASM Certified Personal Trainer, NASM Certified Macro Coach, mom of two, and founder of the Simply Strong App. I create, test, and follow the same progressive overload workouts I share inside the app because I believe strength training should be simple, realistic, and built for real life. My goal is to help women get stronger with workouts they can understand, track, and stay consistent with. When I’m not programming workouts, you’ll usually find me reading a book or hanging with my two dogs.

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