Longevity AcademyMuscle Optimizer 50+Brought to you by Longevity Academy

Brought to you by Longevity Academy

How strong will you be at 70, 80 or 90?

Take the free 3-minute Muscle Optimizer assessment and discover how well you're protecting your strength, mobility and independence.

Calculate My Muscle Longevity ScoreWhy muscle matters

Free · No account needed to start · About 3 minutes

An active couple in their sixties hiking a coastal trail at sunrise

Strength isn't just about muscle. It's about staying capable, active and independent.

Your Muscle Longevity Score™

A 0–100 score built from seven categories: muscle preservation, strength, functional capacity, balance, activity, protein and recovery.

Your estimated Muscle Age

An educational estimate of how your strength and function compare to your years — motivating, honest, never alarmist.

A plan you can start this week

Strength, protein, balance and recovery recommendations matched to your ability — from chair squats to barbell work.

The goal isn't bodybuilding. It's capability.

Muscle is your independence engine. Without regular resistance training, enough protein and daily movement, strength and power can fade quietly for years before you notice it on the stairs or carrying a bag.

  • Get off the floor
  • Carry the groceries
  • Climb a flight of stairs
  • Travel without worry
  • Hike the trail you love
  • Play with grandchildren
  • Keep playing your sport
  • Stay independent at home
A woman in her seventies strength training with dumbbellsA man in his sixties carrying grocery bags up outdoor steps

What you'll get in 3 minutes

  1. 1

    Profile

    Age, activity and the goals that matter to you.

  2. 2

    Function

    Chair rise, stairs, walking, carrying, floor and balance.

  3. 3

    Score

    Your Muscle Longevity Score and estimated Muscle Age.

  4. 4

    Plan

    Strength, protein, balance and a 12-week roadmap.

Start my free assessment

Educational tool — not medical advice

Muscle Optimizer 50+ is designed to help you understand where you stand today. It does not diagnose, treat, cure or prevent any medical condition, and it cannot diagnose sarcopenia — that is a clinical condition requiring assessment by a qualified healthcare professional. Speak with your clinician before starting a new exercise or nutrition program, and seek prompt evaluation for repeated falls, unexplained loss of strength or muscle, severe pain, dizziness or new neurological symptoms.