At 17, you’re right on the edge—caught between the tail end of adolescence and the start of full-on adulthood. And if you’re here, you’re probably wondering: “Can I still grow taller?” I get that. I’ve had dozens of conversations with teens (and honestly, a few panicked parents) who were anxious about height, especially when comparing themselves to taller friends or siblings. Here’s the thing though—yes, height growth at 17 can still happen, but it’s a bit of a race against time… and biology.
You see, your bones grow from areas called epiphyseal plates—most folks just call them “growth plates.” They usually start closing sometime after puberty ends, but the timing can vary wildly based on your genetics, overall nutrition, and even your sleep and exercise habits. I’ve seen late bloomers hit a solid growth spurt as late as 18 (though it’s less common), especially during what’s called their peak height velocity phase. That’s the window when growth happens the fastest—and if you’re lucky, it might still be open.
Now, don’t get me wrong. You’re not going to magically shoot up 5 inches overnight. But if your growth plates haven’t fully fused, and you’re giving your body the right inputs—like calcium-rich foods, consistent movement, and quality sleep—you might still see some natural gains. Heck, even small posture tweaks or muscle strengthening can change how tall you feel and appear.
So, what actually works? What doesn’t? What’s just hype? Let’s dig into the real, practical ways to increase height at 17—and how to know if you’ve still got time on the clock.
Can You Still Grow at 17?
Yes, but it depends—and that’s where things get interesting.
Now, speaking as someone who’s been deep in the height growth world for over a decade, what I’ve seen is this: 17 isn’t necessarily too late, but you’re definitely nearing the biological finish line. The deciding factor? Whether your growth plates—technically called epiphyseal plates—are still open.
These plates are soft cartilage zones at the ends of your long bones. When you hit puberty, your body floods with growth hormone, testosterone, and estrogen (yep, guys produce estrogen too—it’s part of what signals the plates to fuse). Once those plates ossify and turn to solid bone—game over for height gain. That’s what we call skeletal maturity.
But here’s the twist: not everyone hits that point at the same time. I’ve worked with teens who were still growing at 18, even 19. Others? Done by 16. Genetics, puberty timing, even lifestyle habits (like sleep and nutrition) all influence how long your bones stay in that “growth window.”
What I’ve found helpful—if you really want to know your chances—is getting an x-ray of the hand and wrist. An endocrinologist can check if your growth plates are still open. Without that, everything’s kind of a guessing game.
So yeah, growth at 17 is possible, but it’s not guaranteed. That’s why I always say: if you’re serious about squeezing out those last few inches, timing is everything.
Genetics and Height Potential
If there’s one thing I always tell people first when they ask about height—it’s this: your genes are doing most of the heavy lifting. Not all of it, but… yeah, a huge part.
From everything I’ve seen over the years (and I’ve pored over bone scans, growth charts, you name it), your genetic blueprint sets the upper limits of your height. Basically, your DNA lays down the potential—like a blueprint for how long your bones could grow, assuming everything else goes right. This is why we look at family height trends first in nearly every growth case I work with. If both parents are tall, chances are pretty good the kids will be too—though there’s always some variability.
There’s even a rough tool we use called the mid-parental height formula. Take the average of both parents’ heights, adjust for sex, and boom—you’ve got a ballpark figure. (Not perfect, but surprisingly accurate in a lot of cases.)
That said, phenotype ≠ destiny. You might have the genetic predisposition for tall stature and still fall short (no pun intended) due to things like poor nutrition or hormone imbalances. I’ve seen that happen. And the reverse, too—kids outgrow their parents when everything else aligns just right.
Nutrition for Height Growth
Let me be blunt: you can’t out-eat your genetics, but you can mess them up—or maximize them—with what’s on your plate. In my years working with teens and tracking growth patterns, I’ve seen good nutrition make a real difference—especially when you’re still in those late growth years like 16 or 17.
You see, bone growth isn’t just about height—it’s about bone health, bone density, and the raw materials your body needs to elongate bones and strengthen the frame. That means calcium (yeah, dairy still matters), vitamin D, magnesium, zinc, and protein are the non-negotiables. You want strong bones? Feed them right.
Now, here’s where a lot of teens get it wrong: they think gulping down three glasses of milk a day is enough. It’s not. You need a balanced intake—leafy greens, nuts and seeds, lean meats, eggs, and a decent amino acid profile across the day. (And no, protein bars alone don’t cut it.)
What I’ve found works best—especially for kids I’ve coached—is eating whole foods consistently and spreading protein throughout the day. Not just dinner. Not just shakes.
So if you’re asking, “What are the best foods to grow taller at 17?” — think of it less like a magic menu and more like fueling the construction site. Because your body’s still building, and it needs the right tools.
Exercise and Posture
Here’s what I tell every teen I work with: you might not be able to “stretch” yourself taller, but you can train your body to stand taller—and that makes a huge difference. I’ve seen this firsthand with athletes, dancers, and even my own clients who didn’t technically grow, but looked noticeably taller just by fixing posture and building better movement habits.
Now, let’s talk growth. Physical activity—especially stuff like basketball, swimming, and yes, even yoga—doesn’t directly lengthen bones (your growth plates handle that). But these activities do support what I’d call your “growth environment.” They increase blood flow, stimulate human growth hormone, and improve spinal alignment. Stretching, for example, can decompress the spine a little—temporarily, sure—but it trains your body to carry itself with more length.
What I’ve found works really well? A mix of core strengthening, mobility work, and resistance training (done right—not ego-lifting at the gym). Especially for teenagers with slouched backs from gaming or hunching over phones, posture correction alone can make you appear an inch or two taller. Seriously.
So if you’re 17 and trying to grow taller—or just look taller—don’t skip movement. Posture is half the battle.
Sleep and Hormones
I’ll be honest—sleep is one of the most overlooked tools for height growth, especially among teens. I’ve lost count of how many 16- and 17-year-olds I’ve worked with who were doing everything right—eating clean, stretching daily, even lifting smart—but still staying up till 2 AM on TikTok or gaming. And the truth is? That might be costing them inches.
Here’s the science (without making it feel like a biology lecture): your pituitary gland releases human growth hormone (HGH) in pulses during deep sleep, mainly in the first half of the night. That’s not happening if you’re skimping on proper rest. What I’ve found is, if you’re not getting at least 8 to 10 hours, your body isn’t hitting enough slow-wave sleep—which is where the real growth magic happens.
And it’s not just quantity—it’s quality. Messing with your circadian rhythm (like scrolling with blue light in bed) delays melatonin release, which throws off the whole hormone cascade. I always recommend getting off screens an hour before bed, even if that means forcing it with a book or mellow playlist. (Yeah, even I struggle with that sometimes.)
So does sleeping increase height? Not directly—but deep, consistent sleep helps HGH do its job. And at 17, that job’s not done just yet.
Medical Factors That Affect Growth
This is the part most teens and even parents overlook: sometimes, height isn’t just about food, sleep, or genetics—it’s about what’s happening medically, under the surface. And in my years coaching height growth strategies, I’ve had a few cases where no amount of stretching or nutrition was going to make a difference until a deeper health issue was addressed.
Let’s start with the obvious but commonly misunderstood one—growth hormone deficiency. This is where the pituitary gland (tiny thing, big job) doesn’t produce enough HGH to support normal growth. It’s rare, but I’ve seen it more than you’d think. And it’s treatable—growth hormone therapy can genuinely help if caught early. But that’s the key: early. Once the growth plates close, that window shuts.
Another big one? Hypothyroidism. If your thyroid’s underactive, it can slow down bone development and delay puberty. I’ve worked with a few teens who thought they were just “late bloomers,” but once they got a blood panel and saw their TSH levels were off, things started to make sense. And with treatment? They started growing again. Not dramatically, but noticeably.
Then there’s scoliosis—something I didn’t pay much attention to early on, until I started seeing how much poor spinal alignment can shave off visible height. It doesn’t necessarily stunt growth, but it can make you look shorter than you are, which—let’s be real—can feel just as frustrating.
What I’ve learned is this: if you’re doing everything “right” and still not growing, or growing way slower than your peers, see an endocrinologist. I can’t stress this enough. Delayed puberty, hormone imbalances, or even rare bone disorders need a proper diagnosis—not just guesswork from Google.
Lifestyle Choices That Support Height
Here’s the thing most people don’t realize: your daily habits—what you eat, how you move, when you sleep, even how you sit—are either helping you grow or quietly working against you. I’ve spent years working with teens and young adults chasing that last inch of growth, and I can tell you firsthand—lifestyle matters more than people give it credit for.
Let’s start with the basics: sleep, nutrition, movement—the growth trifecta. You need 8–10 hours of solid sleep because that’s when your pituitary gland releases growth hormone. But if you’re staying up scrolling under blue light, eating chips for dinner, and skipping breakfast… well, you’re stacking the odds against yourself. (Been there, seen that.)
Poor posture is another silent killer. Slouching at your desk or gaming for hours without a stretch can compress your spine and mess with your body’s alignment. I’ve had clients gain a “visual inch” just from improving their posture—no joke. That means building core strength, stretching regularly, and being aware of how you hold yourself throughout the day.
And yep, what you don’t do matters too. Smoking, alcohol, too much junk food—they all interfere with bone density, hormonal balance, and general well-being. In fact, in one case I saw, a teen who drank energy drinks daily and barely slept stalled out in height gains, despite having tall parents and late puberty on his side.
What I’ve found works best? Keep it simple. Eat whole foods, stay active, get real sleep, and ditch habits that drag you down. It’s not sexy advice—but it works. Growing taller isn’t magic—it’s biology responding to consistency.
So if you’re 16 or 17 and wondering what else you can do? Audit your day. Your routine might be the missing piece.
Realistic Expectations and Confidence
Here’s the truth no one tells you when you’re 17 and obsessing over your height: confidence almost always outgrows inches. I’ve worked with plenty of teens who were 5’5″ and walked into a room like they were 6’2″—and people felt that energy. On the flip side, I’ve seen guys over six feet who still slouched through life because their confidence never caught up with their genetics.
You see, this whole “height equals value” thing? It’s just a story we’ve all internalized. And yeah, it’s hard to ignore when social media or classmates won’t shut up about it. But what I’ve found—and what I’ve told younger clients over the years—is that you can train confidence the same way you train posture, sleep hygiene, or your mindset.
Little things help. Wearing clothes that fit right (tailored pants beat baggy every time). Walking tall, even if you have to fake it at first. Getting physically strong—that’s a huge one. Strength does something to your self-image that’s hard to explain until you feel it.
And let’s not skip the mental game. I’ve had to do the inner work too—rewriting the narrative that I had to be taller to be taken seriously. Turns out, you don’t need more inches—you need less self-doubt.
So yes, chase healthy habits, but also learn to own what you’ve got. Because when you start showing up like you’re already enough, weirdly… people start seeing you that way too.