GLP-1 Medications and Weight Loss: How a Naturopath Can Help Reduce Side Effects and Support Long-Term Success

What Are GLP-1 Medications and How Do They Work?

GLP-1 medications such as Ozempic, Wegovy and Mounjaro have transformed the way we approach weight management and blood sugar control.

These medications mimic a naturally occurring hormone called glucagon-like peptide-1 (GLP-1), which is released after eating. They work by slowing the rate at which food leaves the stomach, increasing feelings of fullness, reducing appetite, and improving blood sugar regulation.

For many people, this can lead to significant and life-changing weight loss. However, the same mechanisms that make these medications effective can also contribute to side effects such as nausea, constipation, fatigue, reduced food intake, nutrient deficiencies, and hair loss.

This is where targeted nutritional and lifestyle support can make a significant difference.

A No-Judgement Approach to Weight Loss Medications

As a Naturopath, I take a no-judgement approach to GLP-1 medications.

Weight management is complex and influenced by genetics, hormones, stress, sleep, medications, gut health, lifestyle factors and metabolic health. While some people can achieve their goals through dietary and lifestyle changes alone, others may benefit greatly from additional support through medication.

My role is not to tell you whether you should or should not be taking a GLP-1 medication. Rather, it is to help you get the best possible results while supporting your overall health, reducing side effects, and building sustainable habits that will continue to serve you long after the medication is stopped.

Why Nutritional Support Is Important While Taking Ozempic, Wegovy or Mounjaro

One of the biggest challenges I see with GLP-1 medications is that people become so focused on eating less that they unintentionally stop eating enough of the nutrients their body needs.

When appetite is significantly reduced, it becomes easier to consume inadequate amounts of protein, iron, zinc, B vitamins and other essential nutrients. Rapid weight loss can also increase nutritional demands and place additional stress on the body.

Without adequate nutritional support, this may contribute to symptoms such as fatigue, poor exercise recovery, loss of muscle mass, hair thinning, dizziness, and low energy levels.

A Naturopath can help assess dietary intake, identify nutritional gaps, monitor pathology markers and create a personalised plan to support healthy weight loss without compromising overall wellbeing.

Protein Intake: One of the Most Important Factors for Success

If there is one area that deserves extra attention while taking GLP-1 medications, it is protein intake.

Many people find they naturally eat much less food overall, which often means they consume significantly less protein than they need. This can increase the risk of muscle loss, slower metabolism, fatigue, poor recovery from exercise, and hair thinning.

Protein is essential for preserving lean muscle mass during weight loss, supporting healthy metabolism, regulating appetite, maintaining strength, and promoting healthy hair, skin and nails.

Many people benefit from aiming for approximately 1.2–1.6 grams of protein per kilogram of body weight per day, although individual requirements vary depending on age, activity levels and health status.

For those struggling to meet their protein needs through food alone, protein powders, high-protein snacks or strategic meal planning may help.

Hair Loss on GLP-1 Medications: Why It Happens

Hair loss is one of the most common concerns people raise after starting a GLP-1 medication.

The medication itself is not directly responsible - instead, hair shedding is often related to rapid weight loss, reduced calorie intake, inadequate protein consumption, nutrient deficiencies, or the physiological stress associated with significant body changes.

Common contributors can include low iron stores, zinc deficiency, inadequate protein intake, suboptimal vitamin B12 levels, and insufficient overall energy intake.

Identifying and addressing these factors early may help reduce the severity of hair loss and support healthy hair regrowth.

Fatigue and Low Energy During Weight Loss

While some people feel fantastic on GLP-1 medications, others experience unexpected fatigue.

There are several possible reasons for this. Reduced calorie intake, dehydration, electrolyte imbalances, inadequate protein intake, iron deficiency, vitamin B12 deficiency, and poor overall nutrition can all contribute to low energy levels.

A Naturopath can help determine which factors may be relevant in your situation and develop a targeted strategy to support energy production, exercise performance, recovery and overall wellbeing.

The goal is not simply weight loss—it is feeling healthy and energised throughout the process.

Managing Constipation on GLP-1 Medications

Constipation is one of the most frequently reported side effects of GLP-1 medications.

Because these medications slow digestion, bowel movements can become less frequent. Reduced food intake, lower fibre intake and inadequate hydration can further contribute to the problem.

Supporting bowel regularity often involves a combination of adequate water intake, sufficient dietary fibre, regular movement, and targeted nutritional support where appropriate. For some individuals, specific fibres, magnesium, or digestive support strategies may also be helpful.

Addressing constipation early can significantly improve comfort and quality of life while taking these medications.

Reducing Nausea and Supporting Digestion

Nausea is particularly common when first starting a GLP-1 medication or when increasing the dose.

Simple strategies such as eating smaller meals, avoiding large high-fat meals, eating slowly, chewing thoroughly, and staying hydrated can often help.

Certain nutritional and herbal interventions may also provide support. For example, ginger has traditionally been used to help relieve nausea and support digestive comfort.

The most effective approach will depend on your individual symptoms, health history and medication regimen.

Hydration and Electrolytes Matter More Than You Think

Many people are surprised to discover how much less they drink after starting a GLP-1 medication.

Reduced thirst, reduced food intake, and changes in routine can all contribute to lower fluid intake. Dehydration can worsen constipation, fatigue, headaches, dizziness and exercise recovery.

Ensuring adequate water intake and, where appropriate, electrolyte support can be one of the simplest yet most effective ways to improve how you feel while taking these medications.

Monitoring Nutrient Levels During Weight Loss

One of the most valuable ways a Naturopath can support someone taking GLP-1 medications is through ongoing monitoring of nutritional status.

Weight loss is often viewed as a success, but it is important to ensure it is occurring in a healthy and sustainable manner.

Depending on your circumstances, monitoring may include iron studies, vitamin B12, folate, zinc, vitamin D, thyroid markers, blood sugar markers and other indicators of nutritional health.

Regular monitoring allows potential deficiencies to be identified and addressed before they contribute to symptoms such as hair loss, fatigue, poor recovery or reduced wellbeing.

Preventing Weight Regain After Stopping GLP-1 Medications

One of the most important conversations around GLP-1 medications is what happens after they are stopped.

These medications can be extremely effective at reducing appetite, but they do not automatically teach healthy eating habits, meal planning skills, or strategies for managing hunger.

This is why I encourage patients to use the period of reduced appetite as an opportunity to build sustainable habits. Learning how to prioritise protein, balance meals, regulate blood sugar, support gut health and develop a healthy relationship with food can make a significant difference to long-term success.

The goal is not simply losing weight - it is maintaining those results in a way that supports ongoing health and wellbeing.

Book a Consultation for Personalised GLP-1 Support

Every person responds differently to GLP-1 medications. While some people experience very few side effects, others may struggle with constipation, nausea, fatigue, hair thinning, nutrient deficiencies, or concerns about maintaining their results long term.

The information in this article is general in nature and may not be appropriate for your individual circumstances. A personalised assessment allows us to identify potential nutritional gaps, optimise your diet and protein intake, monitor key nutrient levels, and develop strategies to minimise side effects while supporting healthy and sustainable weight loss.

If you're taking Ozempic, Wegovy, Mounjaro or another GLP-1 medication and would like tailored support, I'd love to help.

Book an appointment with Simone Goulding Naturopath in Bayside Melbourne or via telehealth Australia-wide to create a plan tailored to your unique health goals and needs.