Strength + body composition

GLP-1 Muscle Loss: What Women 35+ Can Prioritise

Weight loss can include losses from both fat and lean tissue. You cannot control every component, but adequate nutrition, protein, progressive resistance training and sensible recovery can support muscle preservation while using a GLP-1.

This page is general education. Discuss medication, significant symptoms, rapid or concerning change, and clinical suitability for exercise with the appropriate healthcare professional.

Why muscle matters

Muscle supports strength, function, training performance and the body composition many women want. It also helps you stay capable as you age.

If the only metric is body weight, you may miss whether training performance, recovery or function is moving in the direction you value. A lighter body is not automatically a stronger one.

Four practical priorities

1. Resistance training

Use progressive strength training appropriate to your experience, health and recovery. The goal is a meaningful signal to retain and build capability.

2. Adequate protein

Distribute realistic protein-containing foods across the day. The right plan depends on your overall intake, preferences, health and clinical context.

3. Enough total nutrition

Very low appetite can make it easy to under-fuel. Prioritise nutrient-dense choices and seek individual advice when intake is difficult.

4. Recovery

Training works with rest, sleep and adequate energy—not through continually adding more sessions while recovery declines.

Signs your plan deserves review

  • Strength or performance is falling consistently.
  • Recovery is poor and fatigue is persistent.
  • Intake is so low that adequate meals feel impossible.
  • You are avoiding training because of symptoms or fear.
  • You are losing weight rapidly or experiencing concerning symptoms.
  • Your program is mostly cardio used to compensate for eating.

These signs do not identify a diagnosis. They indicate that the current plan deserves review with the appropriate dietitian, exercise professional or medical clinician.

What changes after 35?

The fundamentals do not suddenly stop working. But muscle and strength deserve deliberate attention, especially if weight loss, busy work, recovery, perimenopause/menopause considerations or long periods without resistance training are part of the picture.

Train progressively, choose an appropriate dose of exercise and avoid assuming more is always better.

Body composition without obsession

Measurements, photos, weight, training performance and how you function can all provide information. None needs to become a daily judgment of worth.

Use the smallest amount of monitoring that supports good decisions. If body checking or anxiety is increasing, adjust the monitoring strategy rather than simply demanding more discipline.

Want to become stronger—not only smaller?

Private coaching integrates nutrition, training and behaviour change around your goals and medical care.

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About Astrid Naranjo, APD

Astrid Naranjo is an Accredited Practising Dietitian, clinical dietitian and evidence-based nutrition + fitness coach helping high-achieving women 35+ with nutrition, strength, body composition, behaviour change and long-term weight management. Her professional work includes research-review and education contributions across evidence-based nutrition and fitness platforms.

Last reviewed: 15 August 2026