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We are based in Auckland

123 Diet NZ is based in Auckland, you can find the full range of products here on our website & once you place your order we will deliver it straight to your door within 2 - 3 working days. Start your weight loss journey with 123 Diet NZ

PartPay is now Zip

It is exactly the same product it just has a different look. Nothing will be affected, it is still the same application process via our checkout page.   

Choose Zip as your payment method at checkout. Sign up or sign in (there’s no paperwork, our ID and credit assessment is done online in a few seconds).

Pay your first 25% right away from your debit or credit card. Get your stuff right away. Woohoo!

Pay the rest off 25% at a time every fortnight. Pay no fees and no interest ever.

Recipe Books

Our Exclusive 123 Diet NZ Recipe Books are out now. With all new orders you will receive the Volume 1 Recipe book on the left and anyone purchasing for the second time will receive the Volume 2 recipe book.

Rewards Program

Register now by pressing the Rewards Program Button at the bottom right of this page and when you place your order you will receive points. If you accumulate your points you will get a percentage of your whole purchase free.

I am doing it and so can you!

My name is Dianna De Castro, I am a 57 year old mother of four and grandmother of three. I started my 123 Diet journey a couple of months ago after it has taken me many years of failed continuous attempts with many different diets, eating plans, supplements and pills. I have searched high and low for something that will not make me feel ill, force me to starve myself or cause me to relapse after a week. Now I have finally found a product that works for me!