Field notes · Strength after 40
Can you build muscle after 40?
Yes. The question I get more often is the quieter one underneath it: is it still worth it? Also yes, and more than it was at twenty-five.
Dai Manuel · Coach Moose · Vancouver
What actually changes
Muscle builds a little slower after forty. Recovery takes a little longer. The body gets less sensitive to protein, so you need a bit more of it to get the same response. None of that stops you. It just means sloppy training and sloppy eating show up faster than they used to.
Studies in men and women over fifty show meaningful gains in strength and lean mass from regular resistance training. The men who do not build muscle after forty are almost always the men who do not train for it.
The three levers
Training: lift two or three times a week, work close to your limit, and add weight or reps over time. Protein: the plan I use is 0.8 to 1.2 grams per pound of goal bodyweight a day, spread over your meals. Sleep: seven to nine hours, because that is when the repair happens.
Pull all three and you will build muscle. Pull one and you will mostly stay where you are.
What to expect
Strength comes first, often within weeks, because your nervous system learns the movements. Visible muscle takes months. Measure your lifts and your waist, not the mirror, for the first twelve weeks.
Common questions
- How long does it take to build muscle after 40?
- Strength usually improves within a few weeks. Visible changes in muscle typically take two to three months of consistent training, adequate protein and good sleep.
- Do men over 40 need more protein to build muscle?
- Older muscle responds a little less to protein, so a higher intake spread across meals helps. The DadBody plan uses 0.8 to 1.2 grams per pound of goal bodyweight a day.
Sources
- Resistance exercise for lean mass in older adults. Peterson, Sen and Gordon, Medicine and Science in Sports and Exercise, 2011.
- Anabolic resistance to protein with age. Breen and Phillips, Nutrition and Metabolism, 2011.