Muscle Loss on GLP-1s: How Diet and Power Monitoring Assist

Muscle Loss on GLP-1s: How Diet and Power Monitoring Assist

Last Updated: October 15, 2025By


Within the early weeks of a GLP-1 journey, the adjustments can really feel thrilling. You might be free from nagging cravings and begin to see adjustments on the size. However with out the precise habits, GLP-1s can result in muscle loss, which isn’t the form of weight you sometimes wish to lose (1). The excellent news? A couple of easy methods might help defend in opposition to muscle loss when you attain your objectives.

Sufferers taking GLP1s are typically shocked to see how a lot muscle they lose together with fats, particularly in the event that they don’t solely wish to be lighter on the size, but additionally wish to be lean, toned, and robust.

For those who’re on a GLP-1 medicine or planning to start out one, it’s essential to know how diet and power coaching work collectively to assist forestall muscle loss. We’ll break down suggestions that may assist you keep robust, and present how MyFitnessPal might help you alongside the best way. 

Why Muscle Loss Issues on GLP-1s 

If you shed weight, fats isn’t the one factor to go. Lean muscle mass could disappear too. (5) And that is very true when weight is misplaced shortly and because of a major calorie discount (1). That’s precisely what can occur whenever you take a GLP-1 (1)

Why is that this essential? As a result of muscle is accountable for lots! Bodily power, sure. However muscle additionally performs a job in your metabolism, how nicely your physique responds to emphasize, your immune system and blood sugar management (5)

Plus, lean muscle mass helps you keep weight reduction long-term. Muscular tissues are in fixed want of power, so even at relaxation, your physique is burning extra energy when you may have extra muscle mass (13). And for those who’re among the many 54% of people that discontinue the drug in the course of the first 12 months (14), you’ll wish to stack the chances in your favor when the time involves managing your weight with out it. When folks cease taking the drug, weight regain is widespread.(1) However the extra muscle you keep alongside the best way, the much less weight you’re more likely to regain, in keeping with the analysis (2)

How Protein Helps Lean Mass

If you wish to maintain onto muscle whereas losing a few pounds, your first line of protection is getting sufficient protein. (11) Why? Protein helps protect muscle throughout weight reduction by supplying the amino acids your physique wants to keep up its power and performance (2) (11)

For those who’re on a GLP-1, hitting your protein objectives will be difficult. You will have much less of an urge for food or discover that high-protein meals you as soon as loved are immediately unappealing (1)

Within the U.S., the Beneficial Each day Allowance (RDA) for protein is about 0.36 grams per pound of physique weight, or 54 grams per day for a 150-pound grownup (6). However throughout calorie restriction and weight reduction, your protein wants for muscle preservation can climb to 0.55–0.73 grams per pound (2). That’s roughly 83–110 grams per day for that very same 150-pound grownup.

Monitoring your protein consumption in MyFitnessPal might help you keep on high of your protein consumption. You’ll see at a look whether or not you’re getting sufficient all through the day, so you may make changes earlier than you fall quick. It’s also possible to spot patterns—like persistently low-protein breakfasts—that you could simply repair with just a few small adjustments.

Listed below are some tricks to get extra protein whereas on GLP-1s:

  • Add eggs to breakfast.
  • Swap common yogurt for Greek yogurt.
  • Maintain protein shakes helpful.
  • Snack on cheese sticks, hummus, or roasted chickpeas.
  • Stir protein powder into oatmeal or smoothies.
  • Select soups and salads with hen, tofu, or beans.
  • Eat protein first at meals so that you don’t refill much less nutrient dense sides.

The Position of Resistance Coaching

Diet is barely half the equation for safeguarding your muscle groups on a GLP-1. The opposite key piece is resistance coaching, a kind of train that challenges your muscle groups in order that they keep robust at the same time as you shed weight. Assume: lifting weights, doing pushups, or utilizing resistance bands. If you’re dropping weight however not incorporating resistance coaching workout routines alongside the best way, one research exhibits that you could be lose muscle, too (1)

And if that’s not sufficient motivation, contemplate this: Analysis exhibits that pairing a GLP-1 with resistance coaching helps protect muscle and keep weight reduction higher than the medicine alone (2, 15). “Committing to resistance coaching whereas taking a GLP-1 is like investing in your future weight administration objectives,” says Denise Hernandez, MS, RD a MyFitnessPal dietitian. “In different phrases, it helps you retain the burden off.” 

For learners, intention for 2 or three days per week of resistance coaching and begin easy (2). There’s no want for fancy tools or sophisticated routines. Some gentle weights and fundamental actions like bicep curls, weighted squats, and tricep kickbacks are an incredible begin. 

And for those who fear that beginning conservatively means it’ll take perpetually to start out seeing and feeling a distinction, you’ll seemingly be pleasantly shocked after only a few quick weeks (7).  Do not forget that outcomes don’t come from aggressive depth proper out of the gate. Sustaining and enhancing muscle mass comes from consistency and regularly ramping up your coaching. (12)

Monitor your exercises with MyFitnessPal’s train log to remain motivated and monitor your progress. 

The Backside Line

On a GLP-1 weight reduction journey, it’s not nearly how a lot weight you lose. It’s additionally concerning the high quality of that weight reduction. Excessive-quality weight reduction usually entails shedding fats whereas preserving as a lot muscle as potential. By prioritizing protein and resistance coaching, you may defend your power, help your metabolism, and work towards your healthiest, strongest physique (5)

Ceaselessly Requested Questions: Muscle Loss On GLP-1s

Can GLP-1 medicines trigger muscle loss?

Sure, fast weight reduction from GLP-1 medicines can result in substantial muscle loss. (1) It is because whenever you considerably scale back your calorie consumption and your physique wants extra power than what you take in out of your weight loss program, it’ll seize saved power out of your muscle groups. (8)

What’s the perfect protein consumption to keep up muscle on GLP-1s?

In response to Hernandez, “look to get no less than 20-30 grams of protein, no less than 3-4 occasions per day. Lean meat, low fats dairy and eggs are nice choices for the very best protein content material (gram for gram) and high-protein plant-based choices embody beans and lentils.”

Does power coaching assist forestall muscle loss on GLP-1s?

Power coaching (also called resistance coaching) has been proven to assist forestall muscle loss on GLP-1s. (2) Resistance workout routines like bicep curls and squats might help to keep up and develop muscle. (9)

How can I inform if I’m shedding fats or muscle on a GLP-1 medicine?

You might even see your weight lower on the size, however most scales can’t inform how a lot fats vs muscle you might be shedding. However your physique measurements and power monitoring can fill that hole and paint you a extra detailed image of kilos misplaced from fats or muscle. (10)

The Backside Line


Balancing weight reduction with muscle preservation is crucial for sustaining long-term well being and residing your finest life. And there’s no have to set massive, overwhelming objectives and go from zero to sixty proper off the bat. MyFitnessPal’s macro and train monitoring options would possibly simply assist take away any intimidation you could really feel about including a brand new intention in your GLP-1 journey. You’ve received this!

The put up Muscle Loss on GLP-1s: How Nutrition and Strength Tracking Help appeared first on MyFitnessPal Blog.


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