The Hidden Cost Of GLP-1 Weight Loss

Updated: August 4, 2026

Dr. Michelle Pearlman

Dr. Michelle Pearlman explains how to lose weight without sacrificing your muscle, your bones, or your long-term strength.

GLP-1 medications are helping millions of people lose weight.

And that’s great!

But according to obesity specialist Dr. Michelle Pearlman, there’s one question that matters far more than how much weight you’re losing:

What are you losing with it?

Because when weight comes off quickly, it doesn’t always come entirely from body fat.

You can lose muscle and bone too! And unless you have the right strategy in place, you may end up lighter on the scale… but weaker in the body.

That matters more than most people realize.

Because muscle and bone are not just about how you look…

They help protect your strength, your metabolism, your mobility, and your independence as you get older.

In this eye-opening interview, Dr. Pearlman, board-certified gastroenterologist, physician nutrition specialist, and obesity medicine expert, explains how GLP-1 medications really work… why muscle and bone loss are not inevitable… and what you can do to lose weight without losing the strength you’ll need for the years ahead.

In this must-watch conversation:

  • How to tell if your GLP-1 plan is protecting your future body… or just shrinking your current one.
  • The GLP-1 dinner mistake that can make food sit in your stomach “like a brick”… and what to do instead.
  • Why “I’m not hungry” might be the worst thing a woman can say! Most people have no idea it’s actually so dangerous.
  • The one thing you must protect while the scale is dropping — especially if you want to stay strong, steady, and independent after 50.
  • The simple “protein+fiber” trick that helps women eat enough on GLP-1s without forcing down giant meals.
  • Why going to the gym to “get smaller” is the wrong goal after 50… and what Dr. Pearlman says you should be training for instead.
  • And much more…

GLP-1 medications can be extraordinarily powerful. But the goal should never be to become the smallest possible version of yourself. It should be to lose the fat that threatens your health… while preserving the muscle, bone, energy, and strength that protect your independence.§

Watch the full interview now to discover how to make the weight you lose improve your future, instead of weakening it.

§The information provided in this article is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare professional, especially if you have a pre-existing condition or concerns about your bone health.

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  1. Jane Sandmeyer

    August 8, 2026 , 1:56 pm

    Wow! This interview was packed with a lot of good information. I really enjoyed Dr. Pearlman’s discussion of nutrition and the tips she provided.

  2. Yoori AlgaeCal

    August 10, 2026 , 9:01 pm

    Thanks for sharing, Jane! 😊 Dr. Pearlman covered so many valuable topics, and we’re glad her nutrition tips resonated with you.

    We hope you’re able to put some of them into practice!
    – Yoori

  3. Debbie

    August 8, 2026 , 4:16 pm

    Such a great conversation I learned so much !! Thank you Dr Pearlman!

  4. Yoori AlgaeCal

    August 10, 2026 , 8:59 pm

    Thank you so much for sharing, Debbie! 😊

    We’re thrilled to hear you enjoyed the conversation with Dr. Pearlman and learned so much from it. We really appreciate you tuning in!
    – Yoori

  5. Debbie

    August 8, 2026 , 4:18 pm

    Also Monica your interviews are so interesting!! Thank you, too!!

  6. Yoori AlgaeCal

    August 10, 2026 , 8:59 pm

    Thank you so much, Debbie! 😊 We’re thrilled to hear you’ve been enjoying Monica’s interviews and finding them interesting.

    We really appreciate you tuning in!
    – Yoori

  7. Jomarie Di Iorio

    August 8, 2026 , 5:45 pm

    I need a good functional trained gastroenterologist, and Endocrinologist. Can you recommend anyone or a place to find them.? Thank you.

  8. Yoori AlgaeCal

    August 10, 2026 , 8:58 pm

    Thank you for reaching out, Jomarie! 😊 While we don’t have any specific gastroenterologists or endocrinologists that we can recommend, we suggest asking your primary healthcare provider for a referral to a practitioner who has experience with functional or integrative medicine.

    You can also use the Institute for Functional Medicine’s practitioner directory HERE to search for functional medicine practitioners in your area.

    We hope this helps and that you find a healthcare provider who’s a great fit for your needs!
    – Yoori

  9. Jomarie Di Iorio

    August 8, 2026 , 5:46 pm

    I just asked about a trained functional gastroenterologist and Endocrinologist names but I forgot to tell you I live in New York City Manhattan

  10. Yoori AlgaeCal

    August 10, 2026 , 8:58 pm

    Hi, Jomarie! You may have noticed I responded to this question in my response to your previous comment. Let us know if you have questions! 😊
    – Yoori

  11. EVA ALLEN

    August 9, 2026 , 1:09 pm

    Absolutely perfect. It’s hard for me to believe this could have been done any better.

  12. Tanya Dobbs

    August 10, 2026 , 9:14 am

    Outstanding interview, thank you…I wish there were more doctors like Dr Pearlman she was so thorough and knowledgeable about gut health, weight loss and nutrition, even brain health, not just GLP-1.
    I watched this interview because my daughter is on Zepbound and although I shared this I’m sure she won’t take the time to watch but this was so worthwhile so I’ll try again.

  13. Kate

    August 10, 2026 , 8:19 pm

    What an outstanding interview! Dr. Pearlman was so informative, and put into perspective how proper nutrition, gut health and resistance/strength training is vital to optimal bone and brain health. Thank you for providing us with such a knowledgeable resource!

  14. Yoori AlgaeCal

    August 10, 2026 , 9:00 pm

    Thank you so much for sharing, Kate! 😊 We’re thrilled to hear you enjoyed the interview and found Dr. Pearlman’s insights on nutrition, gut health, and strength training so informative.

    Thank you for watching and being part of the conversation!
    – Yoori

  15. Char

    August 12, 2026 , 10:57 am

    Very informative

  16. Bee AlgaeCal

    August 13, 2026 , 7:22 am

    We’re so glad you enjoyed the video, Char! 🙂
    -Bee

  17. Gail M Bushey

    August 13, 2026 , 8:31 am

    Please add a link to read the interview so I can skim to the relevant information I’m seeking. With a degree in biology I have a wealth of knowledge but am always looking to update with current information. However sitting through lengthy visual or audio interviews is not a good use of my time.
    Thank You,

  18. Yoori AlgaeCal

    August 17, 2026 , 5:53 pm

    Thank you for the suggestion, Gail! We completely understand wanting a quicker way to find the information that’s most relevant to you.

    While we don’t currently have a written version of the interview on our website, you can access the transcript directly through YouTube HERE. Open the video, click the description, scroll down, and select “Show transcript.” From there, you can read through the interview and use “Search in video” to quickly find the specific topics or keywords you’re interested in. 🙂

    We hope this makes it much easier to access the information you’re looking for, and we appreciate your feedback!
    – Yoori

  19. Oly Town

    August 17, 2026 , 1:03 pm

    This is an excellent article (podcast). We are in our seventies and have focused on diet and fitness for literally decades and this video discusses issues we haven’t heard or read before! Dr. Pearlman explains dietary, fitness and health concerns in easy to understand terms while offering pointers that have inspired us to proceed in a better direction for longevity and bone/muscle strength. Thank you, AlgaeCal for sharing this information.

  20. Bee AlgaeCal

    August 18, 2026 , 9:16 am

    Oly, thank you so much for sharing this! It sounds like you’ve both worked hard on your diet and fitness to keep yourselves healthy. It’s wonderful to hear that Dr. Pearlman’s insights offered some fresh perspectives and that they’ve inspired you to explore new ways to support your longevity, bone strength, and muscle health. Wishing you both continued health and strength for many years to come! 💪
    -Bee

  21. Susan Blackwell

    August 29, 2026 , 2:14 pm

    Can I get a printable copy of this video?

  22. Coral Laskoski

    August 31, 2026 , 4:21 pm

    Hi Susan! ❤️

    While we don’t have a downloadable copy directly on our blog, you can easily view and print the transcript from YouTube!

    If you watch the video directly on YouTube (just click the small YouTube icon in the corner of the video player), you can scroll down to the description section just above the comments and click “Show Transcript.” From there, you can copy the transcript text to paste and print it.

    Please let us know if you have any other questions—we’re always happy to help! 🙂
    – Coral

  23. Janet Kknowlton

    August 29, 2026 , 3:57 pm

    Wow what an excellent interview. I learned so much. I am confused on how much protein a 140lb woman needs per day. I gram per pound of weight so 140grams per day? That equates to 5 oz? That seems really low. is that correct?

  24. Bee AlgaeCal

    September 1, 2026 , 10:11 am

    Thanks for reaching out, Janet! We’re so glad you enjoyed the interview and found it informative.

    In this interview, Dr. Michelle Pearlman recommends getting around 1.6 grams of protein per kilogram of body weight, or 1 gram of protein per pound of ideal body weight if you’re working toward a certain goal.

    For someone who weighs 140 lbs:

    140 lbs ≈ 63.5 kg
    63.5 kg × 1.6 g ≈ 102 g

    So, based on the 1.6 g/kg recommendation discussed, a 140 lb woman would aim for around 102 grams of protein per day.

    I hope this helps clear things up! Let us know if you have any other questions. 🙂
    -Bee

  25. Andrea

    August 29, 2026 , 11:17 pm

    Regarding the high level of protein recommended in this video: In The China Study, T. Colin Campbell showed that a high intake of animal protein correlated with cancer, heart disease, and diabetes. There was no correlation between disease and plant protein, yet you seem to say that this type is inferior to animal protein. I’ve seen strong and healthy bodies thriving on about 30 g of plant protein. What studies are available to prove otherwise?

  26. Bee AlgaeCal

    September 1, 2026 , 10:41 am

    Thanks for sharing your thoughts and questions, Andrea! 🙂

    Dr. Michelle Pearlman certainly discusses the importance of getting enough protein in the interview, but we don’t believe she suggests that animal protein is inherently better than plant-based protein. In fact, she discusses a number of great plant-based protein sources and ways to incorporate them into your diet.

    Protein requirements are very individualized, and this interview focuses on how much protein is needed to help preserve muscle mass and support bone health, particularly as we age. Our ability to maintain muscle and bone density can decline with age, which is why Dr. Pearlman recommends a higher protein intake rather than simply aiming for the minimum amount needed to meet basic nutritional requirements.

    It can sometimes be easier to reach higher protein goals with animal-based foods because they tend to be more protein-dense and provide all nine essential amino acids. That said, it’s absolutely possible to meet your protein needs with a plant-based diet. The key is to consume a variety of different plant-based sources to help ensure you’re getting all of the essential amino acids your body needs!🫘🥗

    For more information on the research behind protein and bone health, feel free to check out our article HERE.

    We appreciate you raising these points and joining the conversation! Don’t hesitate to reach out if you have any other questions. 💖

    -Bee

  27. Andrea

    August 29, 2026 , 11:41 pm

    This was inspirational – I need to seriously make sleep and resistance training an important part of my day!

  28. Bee AlgaeCal

    September 1, 2026 , 10:42 am

    We’re so glad you found the interview inspirational, Andrea! 🙂 Making sleep and resistance training a priority can be a wonderful way to support your overall health and strong, healthy bones. Wishing you all the best as you incorporate these habits into your routine!
    -Bee

  29. Lot

    August 30, 2026 , 6:53 am

    The interview gave a lot of good information. Those comments are directed to younger generation. What is recommended for women over 77 yr. old. More information would be beneficial especially for women with osteoporosis.

    Thank you.

  30. Coral Laskoski

    September 2, 2026 , 10:54 am

    Hi Lot! 🙂

    Thank you so much for your valuable feedback! It is never our intention to make our content seem like it’s only valuable for younger generations, as we are dedicated to supporting bone health for individuals of all ages.

    I will be sure to share your feedback directly with our team so we can keep this in mind moving forward.

    If you ever have any questions or need anything at all, please don’t hesitate to reach out to us at 1-800-820-0184 (USA & Canada toll-free) or by email at [email protected], and we would love to offer you further support!

    – Coral

  31. Lucy Mauterer

    August 30, 2026 , 7:38 am

    A few months ago I bought a Hume Body Pod, which measures all those metrics you need. Measures visceral fat, muscle mass, skeletal mass, water in the body, arms, legs, etc. I have RA so cannot exercise like most people. Also, I am overweight so need to lose fat. I don’t have cravings. I also do intermittent fasting, but not deliberately. I just don’t like eating in the morning. I am also on a keto diet with built-in cheat days. Diabetes runs in my mother’s family, so keto really makes me feel good. I stay away from gluten as well, so have much better digestion. I am on Social Security so these drugs are just too expensive for me. My BP is normal. Earlier in the year I had an echocardiogram and full cardiac work up. Cardiologist said my heart was great. I am 74. AlgaeCal has improved my bone health steadily over the past few years. I take AlgaeCal Plus and Strontium Boost, Norwegian salmon oil, D3/K2, Collagen, and a host of anti-inflammatories. Also my RA drugs. I just want to be healthy. ❤️

  32. Coral Laskoski

    August 31, 2026 , 4:28 pm

    Hi Lucy! ❤️

    Thank you so much for sharing your inspiring journey with us! We are thrilled to hear that AlgaeCal Plus and Strontium Boost have been steadily improving your bone health over the past few years.

    It is wonderful news that your cardiologist gave you such a great report, and it sounds like you’ve done a fantastic job listening to your body and finding a rhythm that works for you—from gluten-free and keto eating to keeping close tabs on your overall wellness. Navigating health routines with joint pain takes real care and dedication, and you should be so proud of how proactively you’re taking care of yourself!

    We are honored to be a part of your daily routine alongside your salmon oil, D3/K2, and collagen. Wishing you continued health, strength, and wonderful days ahead! 🙂

    Please let us know if you ever have any questions or need anything—we’re always here to help!

    – Coral

  33. Paula Tarozzi Ryan

    September 2, 2026 , 5:51 am

    Very informative. Dr. Perlman breaks down nutrition and exercise very nicely for the layperson. I would listen to other podcasts!

  34. Coral Laskoski

    September 2, 2026 , 9:26 am

    Hi Paula! ❤️

    Thank you so much for your kind words! We are so glad to hear that you found the interview with Dr. Pearlman informative and easy to follow. We love sharing these educational videos, and we truly appreciate your feedback and encouragement to post more!

    Please let us know if you ever have any questions or need anything—we’re always here to help! 🙂

    – Coral

This article features advice based on cutting-edge research from our industry experts to give you the best possible information to support your bone-building journey.

Lara Pizzorno
MSc, MA, LMT - Best-selling author of Healthy Bones Healthy You! and Your Bones; Editor of Longevity Medicine Review, and Senior Medical Editor for Integrative Medicine Advisors.,
Dr. Liz Lipski
PhD, CNS, FACN, IFMP, BCHN, LDN - Professor and Director of Academic Development, Nutrition programs in Clinical Nutrition at Maryland University of Integrative Health.,
Dr. Emma Gasinski
PT, DPT, RYT - Physical therapist and certified yoga teacher with a Doctorate in Physical Therapy from Rocky Mountain University of Health Professionals,
Dr. Lawrence (Larry) A. May
MD, FACP, Harvard Medical School Graduate, Physician, Author, Public Speaker - Doctor of Internal Medicine at Providence Cedars-Sinai Tarzana Medical Center and author of several articles and books, including the widely utilized and best selling medical textbook Primary Care Medicine,