When it comes to health and weight loss, ultra-processed foods (UPFs) and GLP-1 medications like Ozempic and Mounjaro dominate the headlines. One is blamed for overeating, the other praised for rapid weight loss. But here’s the truth: both can leave people struggling with the same silent issue: undernutrition.

The UPF problem: calorie-rich but nutrient-poor

A new study has shaken up how we think about UPFs. It found that the real reason we overeat isn’t the “ultra-processed” label itself, it’s the energy density (too many calories packed into small portions), the lack of fibre, and the way food is perceived.

• High-calorie, low-fibre foods drive us to eat more.
• Fibre-rich, whole foods naturally slow us down and make us feel fuller.
• And our perception: how indulgent, comforting, or “healthy” food feels, powerfully shapes how much we eat.

In other words: UPFs don’t necessarily cause overeating because they’re processed. It’s because they’re often nutrient-light and calorie-heavy.

The GLP-1 nutrition trap

Now, many people frustrated by overeating are turning to GLP-1 medications like Ozempic, Wegovy, or Mounjaro. These drugs work brilliantly to suppress appetite, helping people eat less and lose weight. But eating less can come at a cost.

Recent research published in Frontiers in Nutrition revealed that GLP-1 users are falling short on essential nutrients. Smaller appetites mean fewer vitamins, minerals, fibre, and protein are consumed. At the same time, many still overconsume saturated fat and underconsume wholegrains, fruits, and vegetables.

The result? Rapid weight loss but growing risks of:

• Muscle loss – without enough protein, lean mass declines. This affects strength, metabolism, and long-term health.
• Micronutrient deficiencies – low levels of vitamins and minerals impact energy, immunity, and hormonal balance.
• Fatigue and plateaus – when the body is under-fuelled, weight loss may stall and energy crashes.

Why this matters long-term

Losing weight is only half the story. If it happens without nourishment, you risk trading one problem for another. Muscle mass protects bones, regulates metabolism, and keeps us resilient against ageing and disease. Once it’s lost, it’s hard to regain.

This is why focusing on nutrient density, protein intake, and smart food choices matters more than ever, whether you’re reducing UPFs or using GLP-1s.

Introducing BLOOM: Balanced Lifestyle & Ongoing Optimisation with Medication

This is exactly why I created BLOOM, my upcoming lifestyle medicine course designed for people using GLP-1 medications. BLOOM helps you do more than just lose weight, it gives you the tools to protect your health, preserve your muscle, and nourish your body for the long term.

Inside BLOOM you’ll learn:

🌱 Nutrition strategies to maximise protein, fibre, and micronutrients in smaller portions.
💪 Muscle-preserving movement plans created with expert personal trainers.
🧠 Mindset and lifestyle support to manage emotional eating, stress, and behaviour change.
💊 Medical insight from doctors and pharmacists on how to use GLP-1s safely and effectively.

You’ll have two options:

• Self-guided version – for those who want affordable, practical guidance at their own pace.
• Live coaching version – for those who want tailored support, accountability, and expert guidance every step of the way.

Because weight loss should never come at the expense of health. With BLOOM, you’ll learn how to make every bite count—so you can feel energised, strong, and confident as the weight comes off.

The bottom line

UPFs, GLP-1s, overeating, undereating… at first glance they seem like different problems. But at the heart of it, they’re the same story: nutritional imbalance.

The answer isn’t fear of food or reliance on labels. It’s about nourishment, choosing meals that are rich in protein, fibre, and micronutrients, and supporting your body to thrive, not just survive.

You deserve more than weight loss. You deserve to BLOOM.

✨ Balanced. Authentic. Deserving. Always. ✨