Skip to main content
Exercise and Fitness

How long does it take to build muscle?

Consistent, progressive resistance training can grow muscles and boost strength in a few months.

By , Staff Writer
Print This Page

Building strength requires progressive resistance training two to three times a week, challenging major muscle groups. Expect strength gains resulting from nerves more effectively recruiting existing muscle within two weeks and visible muscle growth after eight to 12 weeks. Results also depend on consuming adequate calories and protein.

To continue reading this article, you must log in.

Source matters. Subscribe to HarvardHealthOnline+ for as low as $4.99 a month for unlimited access to the site – where all content is reviewed by an HMS physician or faculty expert.

With HHO+ you get these exclusive benefits:

  • Unlimited access to all Harvard Health Online content
  • 4 expertly curated newsletters delivered monthly
  • Customized website experience aligned to your health goals
  • In-depth health guides on topics like sleep, exercise, and more
  • Interactive features like videos and quizzes
  • Members-only access to exclusive articles and resources

SPECIAL OFFER! UNLOCK EXPERT ACCESS for just $4.99 per month!

Already a member? Login ».

About the Author

photo of Lynne Christensen

Lynne Christensen, Staff Writer

Lynne Christensen is a staff writer who contributes articles to Harvard Health Publishing’s flagship website and its four newsletters: the Harvard Health Letter, Harvard Heart Letter, Harvard Women’s Health Watch, and Harvard Men’s Health Watch. She … See Full Bio
View all posts by Lynne Christensen

About the Reviewer

photo of Timothy Aceto, PT, MPT, CSCS

Timothy Aceto, PT, MPT, CSCS, Contributor

Tim Aceto earned his master of science in physical therapy at the University of New England. He specializes in orthopedics and sports medicine. He’s experienced in treating patients with shoulder dysfunctions and in the treatment and … See Full Bio
View all posts by Timothy Aceto, PT, MPT, CSCS
Print This Page

Disclaimer:

As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.

No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.

Free Healthbeat Signup

Get the latest in health news delivered to your inbox!

Sign Up