What is GLP-1?

GLP-1 is a class of Type 2 Diabetes drugs that help regulate blood sugar and can lead to weight loss.1 GLP-1 (glucagon-like peptide 1) drugs are FDA approved to encourage weight loss and for for chronic weight management in adults with obesity and high body mass index.2 Many individuals who take GLP-1 drugs lose considerable weight, with some even experiencing rapid fat loss. GLP-1 drugs can also lower risk factors for cardiovascular outcomes and even lower cancer risk.3

How Does GLP-1 Promote Weight Loss?

It's not clear how GLP-1 drugs promote weight loss, but we do know that these drugs appear to curb hunger. GLP-1 drugs also slow the digestion of food from the stomach into the intestines, leading to you feeling fuller faster and therefore eating less.1

GLP-1 and Breast Cancer Risk

According to the National Library of Medicine, GLP-1 agonists4 do not correlate to an increased risk of breast cancer events or breast cancer cell proliferation, making these drugs suitable for use in those with Type 2 Diabetes as well as those who are overweight/have a high body mass index.

GLP-1/Breast Size Correlation

If you have recently lost weight, due to taking GLP-1 drugs or not, it's likely that your breast size has also changed. Losing weight affects your entire body weight, and if you have undergone rapid weight loss from taking weight loss drugs, chances are that your bra size has also changed.

Breasts are made up primarily of fatty tissue, so losing weight can result in losing breast volume as well.

Bra Size Adjustments After GLP-1 Treatment

Both your bra band size and cup size may change after losing weight, so it's important to remeasure to ensure your bras are a good fit. If your bra doesn't fit well, it likely won't provide the support you need. We recommend any woman who loses considerable weight to remeasure her bra size accordingly.

Having a bra that fits well is crucial to getting the support you need. If you have undergone significant weight loss, take your band and bust measurements again and plug them into our Bra Size Calculator to find your perfect fit.

After significant weight loss, some women also choose to undergo a breast lift or breast augmentation to restore lost volume and create a desired breast shape. Plastic surgery is a completely personal choice and up to you based on your own comfort level. Some women who have had a mastectomy to remove breast cancer cells also opt for plastic surgery.

Finding the Right Bra Style After Weight Loss

After considerable weight loss, you may find that your breast size and shape is much different than before. If you breast shape has changed after taking weight loss drugs, the bra style that you usually wear may no longer be a great fit. We recommend trying out a wide array of bra styles to see what works best for your body.

Final Thoughts

Always consult a doctor to determine the best weight loss options for you. If you choose to use GLP-1 weight loss drugs, your breast size and shape may also change. After weight loss, be sure to measure your bra size regularly and try out and array of bra styles to see what works best for you.

1: https://www.mayoclinic.org/diseases-conditions/type-2-diabetes/expert-answers/byetta/faq-20057955

2: https://www.fda.gov/news-events/press-announcements/fda-approves-new-medication-chronic-weight-management

3: https://www.nih.gov/news-events/nih-research-matters/anti-diabetes-drugs-may-reduce-risk-colorectal-cancer

4: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10640796/

Disclaimer: The information provided on this website is for general educational purposes only and does not substitute professional medical advice or guidance. Consult your doctor or a medical professional if you seek specific medical advice, guidance, diagnoses, or treatment. We are not liable for reliance on information provided on this website. Consult your doctor or healthcare provider with any matters directly concerning your own health, medical condition(s), and treatment options.

About the Author

Maeve Gesualdi is a Fordham University alumna where she earned a Bachelor of Arts in Communications and Fashion Studies. Based in New York City, Maeve is part of the marketing team at Glamorise. Maeve regularly interacts with customers via social media and product reviews, as well as with influencers and models. She is constantly getting feedback on our products as well as gaining a better understanding of what women in our category struggle with and/or look for when searching for a bra. Aside from writing, she is passionate about all things travel and fashion.

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