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My Services

  • I offer free consultations
  • I offer mobile visits
  • I work from home
  • I work from a business premises
  • I offer daytime consultations
  • I offer weekend consultations
  • I offer evening consultations
  • I accept Healthcare vouchers

Hi, I'm Isabelle!

Let's do this together!

If you are reading this, you are probably feeling like you've tried everything and this is your last shot - I have been there. 

I know how it feels to feel uncomfortable in your own skin. I started struggling with my weight after the birth of my twin boys. After years of trying different diets and exercise plans I stumbled  upon The 1:1 Diet. It made a huge difference for me. I managed to get back to my pre pregnancy weight.

Since then, because life has a little habit to get in the way, I do the plan every year for a few weeks, to keep that last half a stone in check. Even now,  that I am perimenopausal, my trusted plan delivers the loss I need to feel great in my 50s!

Over 5 years ago I trained to become a consultant.

I became a consultant to help others feel as I feel and because...
I know first-hand that losing weight isn't easy.
I know this plan works. 
I know that support, guidance and reassurance works.
I know that being on a diet can be lonely.

I promise you'll never be alone with me as your cheerleader! I’m here to support you, guide you and celebrate every milestone with you.

I have supported many all the way to goal and more importantly helped them to stay there!


  • Flexible weekly weigh-ins in person or virtual
  • Free Starter Kit  perfect for a strong start
  • Ongoing Personal support by phonevideo call or messages 
  • Full range of products stocked 

My clients are losing an average of 14lbs every 4 weeks on plan. Follow me on Instagram and Facebook @one2onediet.isabelle to see some of my client’s journeys and my hints and tips. 

Read my customers reviews 

I am part of a multi award winning team, based near Ashton in Makerfield. Where I work from my home office. I cover StHelens, Wigan, Warrington, Widnes, Skelmersdale, Liverpool and all surrounding areas.

Thanks to virtual consultations I can now offer my support wherever you are in the UK.

So, whether you have a few pounds or a few stone to lose get in touch now for free no obligation chat and find out how the plan will help you too.

Isabelle Derbyshire x


This is my journey

Height: 5' 3" Time to lose: 3 months Time maintained: 8 years
From 11 stones 2 lbs
To 9 stones 9 lbs

Invest in yourself! It's time to turn your dream into a plan