Fitness
Why Isn't My Muscle Strength Increasing Despite Enough Protein?

Many people, from young adults in their 30s and 40s to those over 60, ask why their muscle strength doesn't improve despite consuming enough protein and exercising.
It's important to understand that having enough protein, increasing muscle mass, and improving muscle strength are three different things.
Muscles need not only protein but also proper training, sufficient energy, and recovery.
1. Protein is there, but is the muscle being challenged? Walking, household chores, or light daily exercise are good, but to increase strength, muscles must be challenged beyond their current capacity. This is called Progressive Overload—gradually increasing the challenge. For example, if you can easily do 10 squats initially, then gradually increase repetitions or resistance while maintaining proper technique. Progressive Overload doesn't mean lifting heavier weights every time but advancing training according to capacity.
2. Why doesn't strength increase even after training? Four key factors need checking: - Training Stimulus: Is the exercise regular with proper resistance and progression? - Sleep & Recovery: Are muscles getting enough rest after training? - Total Energy: Are you consuming too few calories in a weight loss attempt? Even with enough protein, low energy can hinder progress. - Age & Muscle Response: Some people have reduced muscle response to protein and exercise with age, called Anabolic Resistance. But this is not only an age issue; incorrect training and insufficient recovery can block progress even in 30s and 40s.
3. Are muscle size and strength the same? No! Strength can improve initially without much increase in muscle size because training improves coordination between the nervous system and muscles. So, don't just look at weight or muscle size. - Can you do more repetitions of the same exercise? - Can you increase resistance while maintaining proper technique? - Do activities like climbing stairs or lifting weights feel easier? Strength is not just appearance; it is functional ability.
4. What if weakness persists despite proper protein and training? A crucial clinical point is that not all weakness is due to protein or exercise. Conditions like Diabetes, Thyroid Disorders, Vitamin D Deficiency, medication effects, or other medical causes should be investigated. So, increasing protein powder or supplements alone is not the solution if strength doesn't improve.
According to WHO guidelines, muscle strengthening activities at least twice a week are important for most adults.
5. Try this 4-week experiment: Focus less on how much protein you consume and more on actual progress in strength. - Training: Choose two safe exercises. Record repetitions, resistance, and perceived effort. - Recovery: Monitor sleep duration and rest between exercises. - Progress: Compare your capacity in the same exercises after four weeks.
Use the Just For Hearts App to track exercise, activity, and sleep. Keep a simple record of strength progress.
After 4 weeks, ask yourself: - Is training regular and progressing? - Do you see increased capacity in the same exercises? - Despite enough protein, is recovery insufficient?
Significant muscle size changes may not appear in 4 weeks, but initial strength improvements can be noticed.
Common questions include: - "How much protein is enough?" - "Can strength increase without gym workouts?" - "Why is there weakness despite proper protein and training?"
For such questions, consult with your records. Assistance with app tracking is also available.
Remember: "Protein provides the building blocks. Training provides the stimulus. Recovery allows adaptation." Protein is important, but consistent training, sufficient energy, and recovery are essential for strength gains.
Observe the pattern. Change the course.
Important: If you experience sudden or increasing muscle weakness, seek medical evaluation. For Heart or Joint Disease, exercise and for Kidney Disease, protein intake should be guided by medical advice.
Dr. Ravindra L Kulkarni MD, DNB FSCAI Cardiology Senior Consultant Physician & Cardiologist Just For Hearts