If you’ve turned on the news, scrolled social media, or even just chatted with a friend lately, you’ve probably heard about Ozempic, Wegovy, Zepbound, or Mounjaro. These GLP-1 medications have become one of the decade’s biggest health conversations, and if you or someone you know is using one (or considering it), I want you to hear the real story, not the social media version.
Let me be clear about something first: there’s no judgment here. Whether you’re on one of these medications, curious about them, or have zero interest, that’s entirely your call, and one to make with your doctor. My job as your trainer isn’t to weigh in on that decision. It’s to make sure that whatever path you’re on, your body stays strong, capable, and injury-free along the way.
So let’s talk about what these medications actually do, and — more importantly — what you can do to get the best possible results from them.
What GLP-1s Actually Do
GLP-1 is a hormone your gut naturally releases after you eat. It tells your brain “I’m full,” slows down digestion, and helps manage blood sugar. These medications are engineered versions of that hormone that last much longer in your system, which is why appetite and food cravings often drop dramatically for people taking them.
For many people, that’s genuinely life-changing. Constant hunger and “food noise” can be one of the biggest barriers to eating well, and when that pressure eases up, it’s a lot easier to build better habits.
The Part Nobody Talks About Enough
Here’s the piece that often gets left out of the conversation: when you lose weight quickly, on a GLP-1 or otherwise, you don’t just lose fat. Research shows that roughly 20 to 40% of the weight lost can be lean mass, meaning muscle and bone.
That matters at any age. But it matters especially for those of us over 60. Muscle isn’t just about how you look; it’s what lets you get up out of a chair without using your hands, carry your own groceries, catch yourself if you trip, and recover well if you get sick or need surgery. The medical term for age-related muscle loss is sarcopenia, and it’s already working against us as we get older. Rapid weight loss without the right precautions can speed that process up, raising the risk of falls and loss of independence — the exact opposite of what we’re working toward together.
Bone health tells a similar story. In one study, older adults on semaglutide lost meaningful bone density at the hip and spine over the course of a year. That’s a real risk worth knowing about.
The Good News
This is where I want you to feel encouraged, not alarmed: research consistently shows that resistance training, combined with enough protein, dramatically changes this picture. In fact, some people who strength train while losing significant weight actually gain muscle in the process, rather than losing it. The same holds true for bone; studies show that structured exercise can prevent the bone density loss that often comes with rapid weight loss.
In other words, the medication can take care of the appetite side of the equation. Strength training is what protects the muscle and bone underneath the number on the scale. The two work best as a team.
What This Looks Like in Practice
You don’t need to become a bodybuilder to protect your muscle and bones. The research points to a few simple, doable guidelines:
- Resistance training, 2–3 times per week. Full-body sessions that hit your major muscle groups: squatting, pushing, pulling, and core work. This is exactly the kind of programming we build into your sessions at Corefit.
- Enough protein. Aim for roughly 1.2 to 1.6 grams per kilogram of body weight per day, spread across meals. If you’re taking a GLP-1 and eating less overall, protein needs to be a priority on your plate, not an afterthought.
- Keep walking. Aerobic activity like walking, swimming, and cycling is still great for your heart and mood. It just isn’t enough on its own to protect muscle and bone during weight loss, which is why the strength component matters so much.
- Calcium and vitamin D, discussed with your doctor, can also support bone health during this period.
If you’re on a GLP-1 and dealing with lower appetite, occasional nausea, or up-and-down energy — especially in the early weeks — that’s completely normal. We’ll simply adjust your sessions accordingly. Some days call for a lighter workout, and that’s fine. What matters most is keeping the habit of strength training two to three times a week, even when the volume flexes up or down.
Our Role in Your GLP-1 Journey
If you’re taking one of these medications, considering it, or supporting a partner or friend who is, please know this is exactly the kind of thing we’re here to help navigate. We’re not prescribers, and we’ll never tell you what to do about medication — that conversation belongs with your doctor. But when it comes to making sure the weight that comes off is mostly fat, and the strength, mobility, and independence you’ve worked so hard for stays intact, that’s squarely what we do.
If this raises questions about your own training plan, your protein intake, or how to adjust your routine while on a GLP-1, let’s talk at your next session. There’s no need to figure this out alone — that’s what we’re here for.
Here’s to strong, capable bodies at every stage of life.
Yours in health,
Coach Guy
