CONDITION GUIDE

Loss of Muscle Mass

If you’ve noticed your strength fading or your muscles looking smaller even though you haven’t changed much, you’re not imagining it and it’s not just “getting older.” Loss of muscle mass is one of the most common, and most overlooked, concerns we see in both women and men, especially once hormone levels start to shift. The good news is that it’s also one of the more treatable concerns once the underlying cause is identified.

RECOGNIZE THE PATTERN

Common Signs of Loss of Muscle Mass

Noticeably less strength than before, even with the same effort
Muscles appearing smaller or softer despite consistent training
Increased body fat alongside reduced muscle
Fatigue or weakness during everyday tasks like stairs or carrying groceries
Slower recovery after workouts
Difficulty building muscle no matter how hard you train

ROOT CAUSES

Why You Might Be Experiencing This

Hormonal decline

Hormones play a central role in maintaining muscle. According to Mayo Clinic, the gradual loss of skeletal muscle that comes with age, known as sarcopenia, can limit daily activities and even increase the risk of falls and loss of independence if left unaddressed. Testosterone is one of the key hormones involved, and its natural decline with age is part of why loss of muscle mass tends to accelerate in midlife for both men and women.

Age-related muscle decline

According to Cleveland Clinic, sarcopenia is the age-related progressive loss of muscle mass, strength, and function, and it can make everyday activities like walking and climbing stairs noticeably harder over time. The encouraging part of that same research is that the right exercise, nutrition, and treatment plan can slow or even reverse much of this decline rather than simply managing around it.

Nutrition, activity & inflammation

Beyond hormones, inadequate protein intake, reduced physical activity, chronic inflammation, and metabolic changes can all accelerate loss of muscle mass, which is why a personalized evaluation matters more than a generic workout plan.

Ready to understand what's driving yours?

Root Cause Wellness Center · 24963 Paseo De Valencia, Suite 10C, Laguna Hills, CA 92653

OUR APPROACH

How We Approach Loss of Muscle Mass

Narges and the team start by looking at what’s actually driving your muscle loss: testosterone, estrogen, thyroid function, inflammation, and metabolic health, rather than assuming it’s simply age. This root-cause evaluation is part of our Functional Medicine program, which looks at how hormones, metabolism, and inflammation connect rather than treating muscle loss as an isolated issue. When hormone decline is a contributing factor, our hormone replacement therapy program is often part of the plan, built around your specific labs. For patients also dealing with weight changes or insulin resistance, this can be paired with our Weight Loss & Peptides program to support body composition more broadly.

Hormone testing

Estrogen, progesterone, and testosterone are reviewed for both women and men

Metabolic evaluation

Inflammation and insulin sensitivity are assessed since they affect muscle maintenance

Bio-identical hormone therapy

Personalized dosing based on your labs, symptoms, and goals

BioTE® pellet therapy

A longer-lasting hormone option for eligible patients, offered by Narges

Peptide support

May be incorporated to support recovery and body composition when appropriate

Ongoing adjustments

Your plan is refined over time based on labs and how you respond

DOES THIS SOUND LIKE YOU?

You May Be a Good Candidate If...

Have noticed reduced strength or muscle size compared to before

Train consistently but aren’t seeing the results you’d expect

Are in perimenopause, menopause, or have symptoms of low testosterone

Have noticed slower recovery or increased body fat alongside the muscle loss

Want a plan based on your labs rather than guessing at supplements

THE PROCESS

What to Expect

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Consultation

We review your symptoms, activity level, and history.

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Testing

Hormone and relevant metabolic markers are reviewed.

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Personalized plan

Your plan is built around your specific labs and goals.

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Ongoing care

Your plan adjusts as your levels and progress change.

QUESTIONS

FAQs

Is loss of muscle mass always related to hormones?

Not always, but hormones, especially testosterone, are one of the most common and treatable contributors, particularly once decline accelerates in midlife.

Yes. If hormone levels, inflammation, or metabolic health are working against you, exercise alone may not be enough to maintain or build muscle the way it used to.

No. Women experience hormone-related muscle loss too, especially during perimenopause and menopause, and it’s worth evaluating at any age once symptoms appear.

Your provider determines what testing makes sense based on your symptoms and history, so the process is tailored to you rather than a standard panel for everyone.

It depends on the underlying cause and your starting point. Some patients notice changes in strength and recovery within a few months of starting treatment.

Yes. Treatment addresses the underlying hormonal or metabolic barriers, but resistance training and adequate protein intake remain an important part of rebuilding muscle.

You Don't Have to Accept Losing Strength

Schedule your consultation and find out what’s actually behind your loss of muscle mass.

Root Cause Wellness Center

24963 Paseo De Valencia, Suite 10C, Laguna Hills, CA 92653