Muscle Mass Peaks at Age 30

I was reading an article on, which is a very good source of health information and learned something I have never heard before. According to Alan Aragon, a man’s muscle mass and skeletal formation peaks at age 30.  He also said that many bodybuilders, compete well into their 40’s and these men are much more impressive than the younger guys competing at the shows.  At first, this was confusing to me, because most people say your done growing at age 18, but when I actually thought about it, it made perfect sense.

Compare an 18-year-old and 30-year-old and see which one has a bigger bone structure, muscle mass, and weight.  The 30-year-old is obviously going to be bigger.  That means maybe your done growing HEIGHT wise at the age of 18, but definitely not done growing overall.  In the article, Alan Aragon brought this up in response to what a 19-year-old should do that was interested in building muscle.  He basically said the answer was a slow consistent process of progressive weight training until he hit his peak.  Once he turned 30 years old and maybe a little before, his gains would slow down.

Even if the 19-year-old put on a very slow 4 pounds of solid muscle each year that would be 40 pounds over the course of 10 years, which makes a substantial difference in a man’s physique.  Definitely, an eye-opener to show that even the most basic approaches can yield very impressive results if given enough time to run its course.

Alan also cautioned against extreme approaches to health and fitness.  Mainly about how a simple hobby and interest can turn into a deep obsession if taken too far, and he is exactly right.  Long term, slow and controlled, balanced diet is what it’s all about.


Here is the article it came from: Interviewed by Wisconsin’s Polytechnic University (Alan Aragon Blog)


3 thoughts on “Muscle Mass Peaks at Age 30

    • Michael Cocchiola

      I’m honestly not 100% sure, but women due to tend to mature faster then men, so maybe they do have one last “hormonal surge” before their done growing, its just probably at a younger age. Its the same concept though if you compared most 30 year old women to most 18 year old women. The 30 year old is 9 time out of 10 much more developed and just overall bigger in many areas.


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