Open Dr. Siegal's Cookie Diet box displaying assorted cookie flavours
Woman enjoying a Cookie Diet biscuit in a modern kitchen beside the product box
Assorted Cookie Diet flavours stacked on a plate outdoors
Freshly baked Cookie Diet biscuits displayed on a baking tray
Dr. Siegal's Cookie Diet box with assorted cookies in a premium natural setting
Open Dr. Siegal's Cookie Diet box displaying assorted cookie flavours
Woman enjoying a Cookie Diet biscuit in a modern kitchen beside the product box
Assorted Cookie Diet flavours stacked on a plate outdoors
Freshly baked Cookie Diet biscuits displayed on a baking tray
Dr. Siegal's Cookie Diet box with assorted cookies in a premium natural setting
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  6M+ Customers Worldwide

Dr. Siegal's Cookie Diet

Australia’s easiest diet, doctor-developed and trusted for nearly 50 years. Our cookies curb hunger and help you achieve your goals.
Targeted appetite control
Crushes cravings naturally
Doctor-formulated formula
30-day risk-free trial
$280.00 AUD
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  • Flat Rate Shipping

    $9.95 AUS Wide

  • 30-Day Guarentee

    Love it or get your money back

  • Secure Checkout

    Safe & encrypted

simple. Effective. Sustaintable

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One cookie. Every two hours.

Six cookies, evenly spaced. Hunger, quietly handled.
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A real dinner. Your choice.

Real dinner. No counting, no shakes.
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Repeat. For as long as you need.

Reach your goal. The snack noise stops.

Real Results from Real People

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 -14kg GONE

Mark L. 10 Weeks
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 -23kg GONE

Jess H.  - 16 Weeks
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 -18kg

Ellen T.  12 Weeks

the secret is in the science. 

Our cookies contain a unique blend of soluble fibre and protein that forms a gel in your stomach when combined with water. 

Helping you feel fuller for longer and naturally eat less. 
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    Forms a gel in your stomach

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    Slows down stomach emptying

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    Helps reduce hunger & cravings

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    Supports weight loss & maintenance