What does 13 pounds of muscle look like?
Check out the progress pics of people who have gained 13 pounds of muscle!

A 3 Month Weight Journey: From 152Lbs to 165Lbs

Redditor's Inspiring Weight Loss Journey with 36 Upvotes

A Weight Loss Journey: Insights From a Reddit User

From 65Kg to 71Kg in 3 Months: Tracking a User's Weightlifting Journey

1 Year Weight Transformation: Gaining 13 Lbs Through Proper Diet and Heavy Lifting

A Reddit User's Weight Loss Journey: Insights and Learnings

Teen's Remarkable Transition From Being Underweight to Healthy Weight in Two Years

One User's Weight Loss Journey: an Inspiring Tale of Dedication

The Anonymous Weight Loss Journey of a Reddit User

From 153 to 166 Pounds: the Weight Journey of a Male Teenager

A 45 Day Journey Towards a Healthier Weight: a First Person Reddit Account

M/17/6'0 Goes From 161Lbs to 174Lbs with Serious Lifting: a 10 Month Journey