Prehab the Weight Loss Jab: A 4-Part Protocol for Health Before, During & After

Prehab the Jab: Prepare well, lose wisely, come off stronger.

Weight-loss jabs have changed the landscape of weight management. There is no denying that. Drugs such as Wegovy and Mounjaro can dramatically reduce appetite, quieten the relentless “food noise” many people experience and make losing significant amounts of weight feel possible for the first time.

But there is something I think we are missing.

What happens to the body while all that weight is being lost and so little being eaten — and, perhaps even more importantly, what happens when the jab stops?

That is why I have created Prehab the Jab.

I’ve spent a lot of time looking at how these drugs work physiologically. They influence powerful appetite and satiety hormones such as GLP-1 and GIP, slow gastric emptying and change the signals travelling between the gut, brain and pancreas. The result can be a quite extraordinary reduction in appetite.

Wonderful for weight loss.

Not always so wonderful for nutrition and metabolism.

When you suddenly eat much less food, you don’t just eat fewer calories, you almost certainly eat less protein, less fibre, fewer vitamins and minerals and less of the food your gut microbes depend upon – it’s just common sense.

And some of the weight lost may be precious muscle.

This matters enormously because I don’t just want people to be lighter, I want them to come out of the process stronger, healthier and metabolically better equipped to maintain that weight loss.

So Prehab the Jab focuses on four key areas.

1. Build and protect muscles: Muscle is metabolically active tissue and one of our greatest allies when it comes to long-term weight regulation, insulin sensitivity, strength and healthy ageing. Before appetite becomes severely reduced, it is essential you build as much metabolic resilience as possible and then protect that muscle during weight loss with adequate protein and resistance exercise.

The goal isn't simply to lose weight. It is to lose predominantly fat while keeping as much muscle as you possibly can.

2. Get the gut microbiome in good shape: Our gut microbes play a fascinating role in appetite regulation, glucose control, inflammation and even the production of compounds that communicate with the same appetite pathways targeted by weight-loss drugs. But microbes need feeding too.

If someone on a jab suddenly eats dramatically less food, particularly less prebiotic fibre and polyphenols found in plant foods, the amount and variety of fermentable material reaching the bowel may fall significantly. This may seriously affect your health during and after your use of the jabs. That is why it is essential to ensure your microbiome is thriving before treatment begins, and supported throughout and after - a healthy gut may well be particularly important when the drug is withdrawn and the body's own appetite-regulating systems are needed more than ever.

3. Make every mouthful count: protein + fibre: When appetite is tiny, food quality becomes so much more important, not less - there simply isn't room for food ‘fluff’ that contributes nothing but calories. Protein helps preserve muscle and provides essential amino acids. Fibre feeds the microbiome, supports bowel function and helps stimulate your own natural satiety pathways. Rather than simply thinking “eat less”, you need to be thinking: how much nutrition can I get from the food I am able to eat?

4. Correct nutrient deficiencies: This is the part that concerns me perhaps most. It is difficult enough for many people to meet all their micronutrient requirements on a normal diet. So what does that mean for you if your appetite has been cut by half, or more? Iron, B vitamins, vitamin D, magnesium, zinc, essential fats and other nutrients all matter for energy, mood, muscle, bone, metabolism and general health. So identifying and addressing deficiencies before food intake falls makes enormous sense.

And then there is life after the jab...

For me, this is where the real measure of success lies. Coming off a weight-loss drug needs to be really carefully managed. When it’s time to come off, for whatever reason, you want to have established good muscle mass, a well-fed gut microbiome, a nutrient-dense way of eating and a metabolism that has been supported rather than depleted.

That doesn't guarantee there will be no increase in appetite or weight afterwards, these are powerful biological systems, but it gives the body a far better foundation from which to manage them.

Prehab the Jab is therefore not about how little you can eat, it is about how well you can nourish and prepare your body before, during and after weight loss. The programme has four core parts, with the option to continue receiving support during the jab and after coming off it, because these are three very different physiological stages and, in my view, they shouldn't all be given the same plan.

More on this very soon.

If you're going to take the jab, let's make sure your body is ready for it.