How to Build Muscle After 50: A Step-by-Step Guide

Each day, most of us live our lives prioritizing other people's needs and happiness while pushing our own well-being to the back burner. It's time to change that.

If you're under 50 and you're reading this: start before 50, and keep reading.

If you're over 50 and thinking you might be stuck: you aren't. You just have to put in a bit more effort. Good thing effort never killed anyone. (Well, maybe it has, I don't know.) This one is pretty straightforward, and if you're consistent, it can be done.

Can You Build Muscle After 50?

Let's get the doubt out of the way first, because it's the thing that stops most people before they start.

A meta-analysis in Medicine & Science in Sports & Exercise pooled 49 studies of resistance training in adults aged 50 and older, 1,328 people in total. The average gain in lean body mass was 1.1 kg, about 2.4 pounds. That's the average, across studies that ranged from mediocre programs to good ones. The meta-regression found that higher-volume programs produced bigger gains.

So the honest answer to "can you build muscle after 50" is yes, and the more you put in, the more you get. Your body did not forget how. It's just less forgiving of the shortcuts you could get away with at 25.

Here are the four steps. I've put them in the order I bring them up in lifestyle meetings, which is the order people usually need to hear them.

Step 1: Sleep Like It's Part of the Program

When I meet with people for lifestyle meetings, this is the first thing I talk about. It's the most important thing you can do for your health, both mental and physical.

It's also the step everyone skips because it doesn't feel like training.

A 2020 study in the Journal of Physiology looked at the effect of acute sleep restriction on muscle protein synthesis. They took healthy young men and gave them just five nights of 4 hours in bed. Myofibrillar protein synthesis, the actual process of building muscle tissue, dropped by 19% compared to the group that slept 8 hours.

Five nights. Healthy young men.

So what does that mean for someone over 50 with 10 years of chronic sleep restriction, a poor lifestyle, and poor nutrition? It means the lifting you're about to do is fighting uphill before you ever touch a weight.

Interesting footnote from that same study: the group that slept 4 hours but also did three high-intensity sessions during the week kept their protein synthesis at normal levels. Training helps buffer bad sleep. It does not replace fixing it.

Target 7 to 9 hours. If that sounds impossible, I wrote a whole post on how much sleep adults actually need and how to get there.

Step 2: Lift Weights 3x Per Week to Near Failure

You can't grow muscles that have no reason to grow.

Three sessions a week, and in each one, take your working sets close to the point where you couldn't do another clean rep. Not every set to absolute failure. Close. The last two or three reps should be hard enough that you'd rather not do them.

A proper program is imperative to your success. "I do some machines at Planet Fitness" is not a program. Random workouts produce random results.

After 50, it isn't just about muscle, either. We need strength to go with it, to maintain your mobility, independence, and function as you age. A proper program is designed to incorporate all of it:

• Mobility, so you can get into the positions the lifts require.
• Strength, so the muscle you build actually does something.
• Hypertrophy, the muscle-building work itself.
• Metabolic endurance, so your heart and lungs keep up with the rest of you.

That's the entire picture. Chasing one piece without the others is how people end up strong but stiff, or mobile but weak, or just tired.

If it's been years since you lifted anything, don't start by chasing failure. Start by relearning the movements. How to start working out again after 40 walks through the first 16 weeks. And for the women reading, strength training for women over 40 covers the bone density and hormone side of this, which matters even more after 50.

Step 3: Start Tracking Your Food

You cannot build muscle in the absence of nourishment. You have to eat enough protein.

The range: 1.2 to 2.0 grams of protein per kilogram of body weight, per day. The International Society of Sports Nutrition's position stand puts it at 1.4 to 2.0 g/kg for people who train, and I push clients over 50 toward the upper half because older muscle is less responsive to protein than younger muscle. You need a bigger dose to get the same signal.

Here's what that looks like in real numbers:

Body weight	Protein per day (1.2 to 2.0 g/kg)	What that is in food
140 lb (64 kg)	76 to 127 g	3 to 4 palm-sized servings
180 lb (82 kg)	98 to 164 g	4 to 5 palm-sized servings
220 lb (100 kg)	120 to 200 g	5 to 6 palm-sized servings

A palm-sized serving of chicken, fish, or lean beef is roughly 25 to 30 grams of protein. Spread it across three or four meals rather than cramming it into dinner.

Now, the actual advice: track your food. Not forever. As a practice, to learn what you are consuming.

I'd say more than 95% of the people I speak to in consults and lifestyle meetings have no clue what they eat. Not roughly. No clue. That makes being successful at whatever goal you have very difficult, because you can't make a change to data you don't have. You can't fix what you don't know.

Two weeks with a tracking app will tell you more about your diet than two years of guessing. Most people find out they're eating about half the protein they thought.

Step 4 (the Most Important One): Consistency

You guessed it.

If you do this stuff for a week, it doesn't matter at all. If you do it for a month and stop, you'll be right back where you started by spring.

You have to do this stuff forever. Literally until you die.

That sounds harsh. It's actually the good news. There is no finish line to miss, no program to fail. There is just showing up three times a week, sleeping, eating your protein, and letting time do the work. Boring is what working looks like.

If picking a time is what's stopping you, the best time of day to work out is the one you'll actually keep.

Watch This

Also: watch this video. It's awesome, and it made me cry.

This is the primary person we work with at Full Circle Function & Fitness. Not the 22-year-old chasing a pump. The 55-year-old who wants to carry their own groceries, get off the floor without a hand, and be around for the grandkids. If that's you and you need help, let us know.

What to Do This Week

Four steps, four actions:

1. Set a bedtime that gives you at least 7 hours in bed, and keep it five nights out of seven.
2. Book three lifting sessions on the calendar. If you don't have a program, get one before you go.
3. Download a food tracker and log everything for 14 days. Don't change anything yet, just look.
4. Tell someone you're doing this. Consistency is easier with a witness.

The Bottom Line

Building muscle after 50 works. The research says so, and so does every client over 50 we've trained in Allison Park. It just requires more intention than it did at 25: sleep on purpose, lift with a plan three times a week, eat enough protein that you can prove it, and never stop.

If you're in Allison Park, the North Hills, or anywhere around Pittsburgh and want a program built for your body and your age, set up a free session. We'll get you started the right way.

Always remember: the more willing you are to make changes to prioritize your well-being, the better you will be at taking care of those around you. YOUR well-being is important, and it is time to start prioritizing it, FOR LIFE.

Frequently Asked Questions

Ready to train smarter?

Ready to build muscle after 50 with a plan instead of guesswork? Book a complimentary personal training session at Full Circle Function & Fitness in Allison Park. We'll cover sleep, lifting, and protein in your first visit.

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