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Angelica Brandelius

MD, PhD, Certified Fitness & Medical Trainer

Dr. Angelica Brandelius, MD, PhD, is a licensed physician and certified medical trainer with a background in immunology, clinical research and more than 15 years of experience in exercise and health. At Yazen, she develops digital solutions that help people build and maintain an active lifestyle.

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Dr. Angelica Brandelius earned her medical degree from Lund University and holds a PhD in Medical Science in immunology. She is also a Certified Personal Trainer and Certified Medical Trainer through The Academy, where she bridges medicine and exercise by tailoring physical activity for individuals with conditions such as type 2 diabetes, overweight and obesity, and cardiovascular disease.

With more than 15 years of experience at SATS, the Nordic region’s largest fitness chain, she has led a wide range of training concepts – from yoga and running to strength training and senior fitness – while continuing her professional development through Les Mills programmes, yoga certifications and studies in sports psychology at Malmö University.

At Yazen, she develops digital solutions that empower people to start and sustain an active lifestyle, always with a focus on individual needs and circumstances.

Articles by

Angelica Brandelius

Can you use GLP-1 while breastfeeding – what does the research say?

After pregnancy, it’s completely normal to want to focus on your own health again. At the same time, many people hear about GLP-1 medications such as Ozempic, Wegovy and Mounjaro as effective treatments for overweight and obesity. That often leads to questions about why these medicines aren’t recommended while breastfeeding.

The short answer comes down to your baby’s safety, limited research, and the fact that your body has different needs during this stage.

Why you shouldn’t use GLP-1 during pregnancy. How it can affect you and your baby

Pregnancy brings big changes to the body, so it’s completely natural to wonder what’s safe when it comes to medication. Can you use GLP-1 treatments like Ozempic or Wegovy while pregnant? Here, we’ll walk through what the research says, why these medicines aren’t recommended during pregnancy, and what to think about if you’re pregnant or planning to be.

What happens if you stop taking GLP-1?

Stopping GLP-1 treatment, such as Ozempic, Wegovy or Mounjaro, raises a lot of questions for people who’ve used it to lose weight. What actually happens in your body? Will the weight come back? Can you keep the results?

Here, we’ll walk through what the research shows about what tends to happen when treatment comes to an end.

Common side effects of GLP-1 medications and how to manage them

Side effects are common with GLP-1 medications, especially at the start of treatment or when the dose is increased. For most people, they are mild to moderate and tend to affect the stomach and gut. They usually ease as your body adjusts. With the right advice around food, fluids and dosing, discomfort can often be reduced so treatment can continue safely. Here we’ll walk through common side effects and practical tips to help.

GLP-1 for weight loss

GLP-1 has quickly become an important part of treatment for people living with overweight and obesity. If you’ve struggled for years with constant hunger, cravings or weight regain, this treatment can offer much-needed biological support. But how does GLP-1 actually work in the body, and why can it help with more sustainable weight loss? Here we explain how it works and who it may be suitable for.

Diabetes medicines, weight loss and long-term health

Searches for diabetes medicines and weight loss have risen sharply. Lots of people want to understand the connection and who this kind of treatment might be right for. Some medicines originally developed for type 2 diabetes can also lead to weight loss. In this article, we explain how diabetes medicines and weight loss are linked, and which treatments may help support weight loss.

Weight loss with medication

Interest in medication to treat obesity has grown a lot in recent years. Obesity is a long-term, complex condition. It is not just about body weight, but about overall health and the risk of related conditions. Its complexity reflects the many factors involved, including genetics, hormones, everyday habits, and the environment we live in.

Levothyroxine for weight loss: myths and risks

On social media and blogs, it’s sometimes claimed that levothyroxine can be used for weight loss. For people living with overweight or obesity, it can be confusing to know what’s actually true. This article explains the risks and what may be useful to know about levothyroxine and weight loss.

Metformin and weight loss

Metformin is one of the most widely used medical treatments for type 2 diabetes. At the same time, this medication often appears in discussions about weight and metabolism. But why is metformin talked about in connection with weight loss, how strong is the effect really, and what risks do patients need to be aware of?