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For years, creatine had a certain image.
You probably pictured a giant plastic tub sitting beside a gym bag belonging to a 22-year-old guy who spends an impressive amount of time looking at his biceps in the mirror.
But creatine has grown up.
Researchers are increasingly interested in what this familiar sports supplement may offer the rest of us, particularly as we get older and maintaining muscle and strength becomes more important.
Why Strength Matters More Than You Think
As we age, maintaining muscle becomes about a lot more than appearance.
Strength helps us climb stairs, carry groceries, get up from the floor, travel, play with grandchildren and continue doing the everyday things that make life enjoyable.
That’s why resistance training becomes increasingly important as we get older. Research suggests that adding creatine to resistance training may lead to greater improvements in lean tissue and strength than resistance training alone.
Notice the important words there: adding creatine to resistance training.
Creatine isn’t replacing the workout.
So, What Does Creatine Actually Do?
Your body already makes creatine, and you also get some from foods such as meat and fish.
Most of it is stored in your muscles, where it helps your body produce energy quickly during short bursts of effort, like lifting weights or climbing a steep hill. Creatine supplementation increases the amount available to your muscles, which can help with repeated high-intensity efforts and support the work you’re doing in the gym.
It isn’t a stimulant. It isn’t a steroid. And it isn’t magic.
It simply helps your muscles with something they were already designed to do.
What Does the Research Say?
This is where creatine’s old reputation starts to change.
A 2025 systematic review and meta-analysis involving more than 1,000 older adults found improvements in strength when creatine was combined with exercise. Other research has also found benefits for lean tissue and muscular strength when creatine is paired with resistance training.
The goal as we age isn’t necessarily to become the strongest person at the gym. It’s to remain strong enough for life.
Researchers are studying creatine for other possible benefits involving the brain, bones and healthy aging, but the evidence for muscle and strength is better established.
Ladies, You’re Invited Too
If you’ve made it this far thinking, I thought this was a guy thing, there’s another surprise.
Women are very much part of the creatine conversation. A 2026 analysis of randomized trials involving postmenopausal women found modest improvements in lean mass and leg strength, particularly when creatine was combined with resistance training.
The evidence isn’t equally strong for every claimed benefit. Researchers have not established, for example, that creatine improves overall bone density.
But when it comes to maintaining muscle and strength, women have plenty of reason to pay attention too.
Apparently, the giant tub at the gym didn’t belong exclusively to the guys after all.
What Should You Know Before Trying It?
Creatine monohydrate is the form that has been studied the most. Research commonly uses around 3 to 5 grams per day. A larger “loading” dose can fill muscle stores more quickly, but it isn’t necessary. A smaller daily amount gets you there more gradually.
Creatine can also cause the number on the scale to move upward, especially at first. That doesn’t necessarily mean you’ve gained body fat. Creatine draws additional water into muscle cells, and over time increases in lean tissue may contribute as well.
For healthy adults, creatine monohydrate is considered generally safe when used appropriately. But supplements aren’t right for everyone. If you have kidney disease, take medications or have other health concerns, talk with your healthcare professional first.
And don’t be distracted by expensive versions with impressive-sounding names. Creatine monohydrate remains the most extensively studied form, and other forms haven’t been shown to be superior.
Sometimes the boring option wins.
Maybe It’s Time to Rethink Creatine
Creatine can’t replace resistance training, good nutrition, sleep or consistency. But it may help you get a little more out of the work you’re already doing.
And maybe that’s the bigger lesson here. Our goal doesn’t have to be desperately trying to stay 25. Maybe it’s becoming a strong, active, capable version of ourselves at 45, 55, 65, 75 and beyond.
Apparently, creatine isn’t just for the 22-year-olds anymore.
Neither is getting stronger.
