No needle, no £1,200: this is what the new Mounjaro killer looks like

2 days ago | By Charlotte Windsor, Editor, Health & Lifestyle

Why this medicinal mouth spray has been one of the most popular weight loss products on the market since October 2025.

MS Spray is currently being marketed as a side-effect-free alternative to weight-loss injections.

It started with a few Instagram stories...

...then the internet exploded: a medical mouth spray called "MS Spray" is currently being hailed as the first genuine natural alternative to Mounjaro (the so-called "weight loss injection") and similar products.

No injections, no prescription and no need to spend thousands of pounds every month.

Within just six weeks, the manufacturer's website is partially unavailable for hours at a time.

Thousands of users post their results every day: 10, 15, 20 kilos less – and that's with a completely normal diet and only 2 applications per day.

What do doctors say? Can a mouth spray be an effective alternative to injections?

Endocrinologist Dr James Harrington has been testing MS Spray Metabolism on over 180 patients in his practice since spring 2025.

The results so far (not yet published):

  • Average weight loss of 11.6 kg in 12 weeks
  • 9 out of 10 users report that emotional eating and food cravings have completely disappeared
  • No side effects such as nausea, vomiting or diarrhoea (weight loss injections usually affect 1 in 5 users. This special spray does not cause these side effects).
  • Also works for PCOS, hypothyroidism and people over 55

According to Dr Harrington, the effect is based on the patented ‘MS Phase Complex’:

The formula specifically dissolves the outer shell of overfilled fat cells, allowing the body to break down and burn the stored fat naturally – without slowing down the metabolism, as is the case with injections.

A second active ingredient (a highly concentrated derivative) blocks ghrelin signals in the brain, causing appetite to normalise on its own.

(Note: Ghrelin is the ‘hunger hormone’ that is produced when the stomach is empty and constantly tells the brain to ‘Eat now! Preferably something fatty and sweet!’ This is precisely why cravings become worse and worse during normal diets.)

Already over 100,000 users since October 2025

I noticed the first change after just two weeks.

Sophie (24) from Cardiff

For years, I struggled with my weight in vain until I finally wanted to give up.

"The spray was recommended to me as an alternative to the injection because it has the same effect but fewer side effects.

And since I'm very afraid of needles, it wasn't really an option for me."

"I used the MS Spray for 3 months (twice daily) and lost 24 kilograms during that time. I had no side effects."

Sophie after using MS Spray for 3 months.

Why is it considered a "natural alternative to Mounjaro"?

Because it does exactly what Mounjaro & Co. artificially enforce with injections – only naturally: the bioidentical peptides activate the same satiety and fat-burning mechanisms as tirzepatide, but without synthetic chemicals, without a prescription and without the brutal side effects.

Instead of sticking a needle in your stomach every week, 10 sprays a day are enough – and your body loses weight as if it were back in its natural balance.

One pack (enough for about 4 weeks) costs just £55 – instead of £1,200 or more, which Mounjaro injection users pay each month.

→  MS Spray manufacturer's website

Why this medical mouth spray outshines everything else – according to medical studies

Clinical trials involving a total of 1,800 participants, which prove the effectiveness of the product, were published in the summer of 2025.

In another recent clinical trial involving over 500 participants, those who used the spray regularly lost an average of 7.5 kilograms more weight per month than participants in the control group.

Studies on MS Spray have also attracted considerable interest in Denmark.

The results were similarly impressive, with many of the 1,300 participants recording significant weight loss that was clearly attributable to using the spray.

The Danish studies showed an average weight loss of approximately 8.3 kilograms per month among those who took MS Spray regularly.

The studies showed that the individual active ingredients are particularly effective when absorbed directly through the oral mucosa.

Lucy (Manchester) – 22 kilograms

Social media is full of success stories

Anna (Birmingham) - 21 kilograms

Maria (Liverpool) – 21 kilograms

Victoria (Belfast) – 24 kilograms

MS Spray is available over the counter in United Kingdom without a prescription.

Currently, one pack (for one month) is available from £36.95 → on the manufacturer's website for MS Spray.

The product is available over the counter and no longer requires a prescription.

As of December 2025