Every week in my practice, I hear some version of the same question:

'I'm in my 70s. Am I too old to start a GLP-1?'

Now, as Medicare – the federal health insurance program for people 65 and older – launches a first-ever pilot program covering weight loss drugs for millions of enrollees, I expect to hear that query even more often.

So, here's the short answer: no.

There is no age at which GLP-1 medications suddenly become inappropriate, but more thoughtful planning and closer medical supervision is required as patients get older.

As a board-certified plastic surgeon who has been treating patients for the past three years, I've learned that health, not age, determines whether someone is a good candidate or GLP-1s.

Frailty, muscle mass, nutrition and an individual's ability to perform normal, everyday activities matter far more than the number of candles on a birthday cake, because GLP-1s don't only encourage fat loss.

If these drugs are not accommodated by diet and exercise plans, they can cause dangerous muscle loss.

Whenever we shed weight, whether through dieting, surgery, illness, or medication, we also lose some lean muscle mass.

Older adults are already losing muscle through a progressive process known as sarcopenia that typically begins around age 30 and accelerates after age 65, with people losing between three percent and five percent of muscle mass per decade.

Rapid weight loss can accelerate that process and this isn't simply a cosmetic concern. Healthy muscles helps protect against falls and fractures which can lead to hospitalization and loss of independence.

In fact, muscle mass and strength are predictors of longevity. Muscles double as metabolic organ that protects against chronic illness and regulate blood sugar and insufficient muscle mass is a stronger predictor of early mortality than Body Mass Index (BMI).

I encourage patients to stop obsessing over is the number on the scale. Body composition tells us much more.

All that means preserving muscle is just as important, if not more, than losing fat.

One mistake I occasionally see in the treatment of people 70 and over is that they are prescribed medications as if they were a healthy 35 year old.

Older adults often need slower dose escalation and more frequent monitoring.

Appetite naturally declines with age, and GLP-1 medications suppress it even further. Some patients unintentionally stop eating enough protein or calories altogether. But the goal isn't to eat as little as possible – it is to nourish the body while reducing excess fat.

Sometimes that means remaining on a lower dose for much longer, slowing dose increases, or even temporarily decreasing the medication if nutrition begins to suffer. Individual monitoring is key.

In my practice, we spend as much time discussing daily protein consumption (I recommend 0.55 to 0.7 grams of protein per pound of body weight for a healthy 70-year-old) resistance training (two or three times per week), hydration and recovery as we do medication dosing, because weight loss without muscle preservation is not a victory.

Now, some physicians look at these considerations and conclude that older adults are safer simply carrying the extra weight.

I disagree.

Excess body fat increases the risk of diabetes, heart disease, sleep apnea, arthritis, fatty liver disease, hypertension and certain cancers. Extra weight also places tremendous stress on aging joints.

For many patients, losing even 10 to 15 percent of their body weight dramatically improves mobility. Suddenly, they're walking farther, climbing stairs without pain, traveling again and keeping up with grandchildren. Those quality-of-life improvements shouldn't be dismissed simply because someone is older.

In conclusion, these medications are remarkable, but they aren't appropriate for everyone.

Patients who are frail, struggling with malnutrition, or experiencing advanced muscle wasting may not be good candidates.

Others may benefit more from focusing on strength training, hormone optimization, or physical therapy before considering medication. A careful medical evaluation should, of course, always come first.

Medicine is entering a fascinating era. Humans aren't just living longer, they're living better too, maintaining function, mobility and independence. GLP-1 medications are part of that conversation, but they shouldn't be viewed as miracle drugs.

When prescribed thoughtfully, coupled with diets that provide adequate protein, resistance exercise, proper nutrition and ongoing physician supervision, they can help many older adults reduce disease risk while maintaining a higher quality of life.

So if you're wondering whether you're 'too old' for a GLP-1, I'd suggest asking a different question.

'Am I healthy enough to benefit, and do I have a physician who will help me lose fat without sacrificing the muscle I'll need for the decades ahead?'

Healthy aging isn't about weighing less.

It's about staying strong enough to enjoy the life you've worked so hard to build.