The science behind switching: why some people might respond better to different weight loss medications

Weight loss treatments have transformed the way we treat obesity. Clinical trials show that people using these medications can lose anywhere between 16% and 21% of their body weight, depending on the drug and how well they stick with treatment.1,2 For many, that’s life-changing progress which leads to less breathlessness when walking upstairs, clothes that fit more comfortably, and improved health markers like blood pressure or blood sugar.1-3

Switching from Mounjaro to Wegovy: expert advice from a Numan doctor

As you may be aware, Eli Lilly has announced a UK price increase on Mounjaro. We know changes like this can be unsettling. Our priority is safe, continuous care - keeping you informed, helping you weigh up your options, and supporting whatever decision you make.

Worried about Mounjaro price changes? Here’s what you need to know

From September, UK patients paying privately for Mounjaro - the weekly tirzepatide injection - will see significant price hikes, with some doses more than doubling.

Higher dose of Wegovy tested in new obesity trial: what you need to know

A new study has explored whether a higher dose of the weight-loss injection semaglutide, better known by the brand name Wegovy, could help people with obesity lose more weight than currently marked doses.

The difference between total and free testosterone

What to know if your Mounjaro pen is exposed to heat

It’s the middle of summer. You get home after work to find your Mounjaro (tirzepatide) delivery left outside, baking in the sun. Should you inject it or throw it away? It’s a question many people are asking. As more people start using GLP-1 medications like Mounjaro for weight management or diabetes, the logistics of keeping it cool, especially in warmer months, start to become a real headache.

7 common triggers of food noise and what you can do about them

Food noise: a constant whisper (or shout) in your head reminding you about snacks, meals, and cravings. For some, it’s fleeting. For others, it’s like a soundtrack playing on loop. But why does it happen?

Mounjaro 5-day diet plan

Crafting a successful weight loss journey is about finding the right balance in your diet, especially when you're on medications like Mounjaro. Tom Holloway, a nutritionist at Numan, shares insights into the best diet to support weight loss when taking Mounjaro.

Understanding food noise: Numan's new insights on how it affects us

Numan is uncovering what's really driving our cravings: food noise. Our recent survey, conducted with Attest, shows that almost nine out of ten people in the UK feel tempted to snack when they're not even hungry.

Can you work out too much? What overtraining does to men’s testosterone levels

Exercise is good for you, until it isn’t. Most of us are told to move more, train regularly, and push ourselves to get stronger and fitter. But there’s a limit. And for men who regularly train at extreme intensity and volume, consistently going beyond that limit may quietly chip away at one of their most important hormones.

The impact of low testosterone on bone health

When most people think about testosterone, they picture muscles, mood, and libido. What doesn’t often come to mind is bone health.

What men need to know about testosterone and heart health

Testosterone isn’t just about sex drive or gym performance. In fact, your heart might depend on it more than you think. For decades, testosterone has been misunderstood, framed as a macho hormone tied to aggression or vanity. But behind the clichés lies something far more complex. Testosterone plays a vital role in nearly every system of the body, including the cardiovascular system. And for men, especially as they age, low testosterone may signal more than fatigue or low mood.

The biology of food noise

You might be working, driving, or sitting in a meeting, but part of your brain is elsewhere, mentally rifling through the kitchen cupboards. This intrusive soundtrack of food thoughts, known these days as “food noise,” is more than just a passing craving. It’s a psychological and biological tug-of-war that scientists are only beginning to map.

Hunger vs cravings: how to tell the difference

Most of the time, we eat because our body tells us we’re hungry. But sometimes, we eat only because we feel like it, are bored, or are enticed by external cues, such as the smell of a neighbour's morning bacon sandwich trickling through the window.

Why food noise gets louder at night

Almost a third of us are guilty of raiding the fridge at night, after we’ve had our dinner, according to our new nationwide survey of over 2,000 UK adults. It’s only natural to fancy a snack in the evening, even if you’re not hungry.

Understanding your thyroid test results chart

If you’ve ever had a thyroid function test (TFT), you’ve probably stared at a confusing lab report filled with markers like TSH, FT4, and FT3, and wondered what on earth it all means. But know that you’re not alone. Thyroid testing is pretty common, yet many people don’t fully understand what their results are telling them.

Thyroid health and female fertility: why blood testing matters

It’s not a hormone most people think about when planning for pregnancy, but the thyroid plays a quiet, important role in fertility. Nestled in the neck, this small gland affects everything from energy levels to menstrual cycles. And when its signals are off, even slightly, it can impact a woman’s ability to conceive or carry a pregnancy to term.

The overlooked symptoms of hypothyroidism

You’re tired all the time. Your skin feels dry, your hair’s thinning, and the number on the scale seems to be moving up even though nothing’s changed. It’s easy to chalk it all up to stress, age, or leading a busy life. But these seemingly unrelated symptoms may be connected by a common thread, and it might be your thyroid.