How do you protect muscle mass while losing weight on a GLP-1?

Protecting muscle mass during GLP-1-driven weight loss primarily comes down to two factors supported by research: adequate protein intake and resistance training, ideally alongside nutrient-dense whole foods. Because GLP-1 medications reduce overall food intake, it's easy to lose muscle along with fat unless you're intentional about both what and how much you eat. This is a nutrition and strength conversation.

Why muscle loss happens with rapid weight loss

A retrospective study on adults using GLP-1 receptor agonists found that weight loss on these medications is associated with both fat mass reduction and loss of muscle, and that nutritional therapy with adequate protein may help mitigate this.^[1] Mayo Clinic notes that managing nutrition proactively, rather than reactively, is an important part of a GLP-1 treatment plan specifically because of this muscle-loss risk.^[2]

Why women in midlife face compounded risk

This matters even more for women navigating midlife hormonal changes, since muscle and bone health both naturally decline during that transition independent of any medication. A clinical study currently underway is specifically investigating how GLP-1 therapy affects muscle strength and bone health in older women with diabetes, reflecting how seriously researchers are taking this compounded risk.^[3]

"What other vitamins and supplements should you be taking as you're losing weight and losing muscle mass? That's top of mind for me."

— Dr. Jummy Amuwo, Pharm.D., MPH, BCPS, Clinical Pharmacist and Board Certified Pharmacotherapy Specialist

Nutrient density alongside protein intake

While protein intake is the primary lever for muscle preservation, whole-food nutrient density plays a supporting role too. Iron, in particular, is essential for oxygen delivery to muscle tissue during physical activity, and the NIH Office of Dietary Supplements notes that insufficient iron intake is common among women, independent of any medication.^[4]

A whole-food option for nutrient density

Our beef organ supplement formulated specifically for women supplies naturally occurring, bioavailable iron, B-vitamins, and amino acids from grass-fed liver and heart, nutrients traditionally valued in ancestral nutrition for supporting cellular energy.† It's Clean Label Project Purity Award certified and cGMP-certified for manufacturing quality.

Building a routine around protein, movement, and nutrient density

Beef Organ Complex, a whole-food blend of grass-fed liver, heart, kidney, and female-focused organ powders, is meant to complement, not replace, adequate dietary protein and a resistance-training routine, which remain the most well-supported strategies for muscle preservation during weight loss.

"Strength isn't something we should have to sacrifice for progress. Whatever your health journey looks like, I want you to feel supported in protecting what your body has worked hard to build, and that's something I take seriously, in faith and in formulation."

— Amy Suzanne Upchurch, Founder and CEO of Pink Stork

A practical muscle-preservation checklist

• Prioritize protein at each meal, since research consistently points to adequate protein as the primary lever for muscle preservation
• Incorporate resistance training at least twice a week if your provider clears you for it
• Consider whole-food nutrient density alongside protein, particularly for iron and B-vitamins†
• Ask your provider about baseline and periodic muscle mass or strength assessments while on GLP-1 therapy

For the broader nutrient picture while on a GLP-1 medication, see our pillar guide, what nutrients do you need while taking a GLP-1 medication.

Frequently asked questions

How much muscle loss is typical on GLP-1 medications?

Research shows that rapid weight loss, including on GLP-1 medications, includes some muscle loss alongside fat loss, though the exact proportion varies by individual, diet, and activity level.

How much protein should I eat while on a GLP-1?

Protein needs vary by individual, and your provider or a registered dietitian can help you determine an appropriate target based on your body weight, activity level, and treatment plan.

Can I strength train while losing weight on a GLP-1?

Many women can and do incorporate resistance training during GLP-1 therapy, but always get clearance from your provider first, especially if you have other health conditions.

Is Beef Organ Complex a replacement for protein intake?

No. Beef Organ Complex is a whole-food nutrient supplement, not a protein source or a replacement for adequate dietary protein intake.

Should I be worried about bone health too, not just muscle?

Bone health is a related concern being actively studied in the context of GLP-1 therapy, particularly for women in midlife. Talk to your provider about whether bone density monitoring is appropriate for you.

† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare provider before starting any new supplement, especially during pregnancy, breastfeeding, or while managing a medical condition. Keep out of reach of children.