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Cambridge Diet

A UK-origin weight-management brand offering meal-replacement foods and tailored plans with personal Consultant support, now trading as The 1:1 Diet by Cambridge Weight Plan.

Last updated October 30, 2026

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Overview

Cambridge Diet is the original name of a weight-management business whose current consumer-facing identity is The 1:1 Diet by Cambridge Weight Plan. The company says the Cambridge Diet launched in 1984, following research into safe and effective weight loss by biochemist Dr Alan Howard that began in the 1960s. The brand’s later name emphasizes its personal Consultant model: customers receive individual guidance, encouragement and a plan tailored to their goals and circumstances, with support available in person or online. The offering combines weight-loss plans with a range of foods and meal replacements. Current product categories described on the company’s website include shakes, bars, soups, savoury meals, snacks, porridge, smoothies and Step Up Meals®. The company presents its products as convenient, nutritionally balanced options, and its product page describes them as high in protein, nutritionally complete and suitable for vegetarians. The site says there are more than 40 product options, with additions made over time. Customers can begin with a taster pack or find a Consultant; products can also be ordered through the company’s dedicated app. The brand’s stated positioning is personal, flexible and supported by nutritional research. Its marketing highlights one-to-one support, tailored plans, food intended to be enjoyable, and a range of ways to access Consultant guidance. The company says it has helped people around the world and describes its approach as intended to support manageable, maintainable weight loss. These are the company’s own descriptions; the supplied material does not independently establish clinical outcomes. The business says it has been based in Corby, Northamptonshire, since 1986, and that its products are made across three Corby sites. It also says it became employee-owned in 2014 and joined the Employee Ownership Association, and that it was recognized as Employee Owned Business of the Year in 2019. The brand’s naming history is presented with a small discrepancy across the supplied official pages: one says it changed its name to The 1:1 Diet by Cambridge Weight Plan in 2019, while another says it became The 1:1 Diet by Cambridge Weight Plan in 2018. Both link the change to the importance of one-to-one Consultant support. The company still operates as The 1:1 Diet while acknowledging that people continue to search for and call it the Cambridge Diet.

History

The company traces its origins to research conducted by biochemist Dr Alan Howard in the 1960s on safe and effective weight loss. That work led to the launch of the Cambridge Diet in 1984. The name Cambridge Diet therefore refers both to the original diet plan and, in continuing public usage, to the business and product range that later adopted a different consumer-facing name. The company says it has been based in Corby, Northamptonshire, since 1986. It describes Corby as the home of its business and says its products are made across three sites there. The supplied evidence does not give a more detailed account of the original company’s formation, early distribution or initial product range, so those aspects cannot be stated reliably here. The brand has developed beyond its original diet-plan identity. The company describes an evolving range of meal replacements and other foods, alongside tools and support for Consultants who guide customers. Its current product categories include shakes, bars, soups, savoury meals, snacks, porridge, smoothies and Step Up Meals®. The company says it now has more than 40 options and continues to add products. Its present service model pairs those products with personalized plans and a Consultant relationship, with support available in person or online. In 2014, the company says it became employee-owned and joined the Employee Ownership Association. It later says it was recognized as Employee Owned Business of the Year in 2019. The supplied evidence does not name individual owners or executives, nor does it specify a parent company. The Cambridge Diet name was subsequently replaced in consumer-facing use by The 1:1 Diet by Cambridge Weight Plan. The company’s official pages give different dates for this transition: the dedicated Cambridge Diet explainer says that the name changed in 2019, while the About Us page says the company became The 1:1 Diet by Cambridge Weight Plan in 2018. Both explanations say the new name reflects the central role of one-to-one relationships between Consultants and dieters. The company also notes that consumers continue to search for and refer to the service as the Cambridge Diet. Today, the business presents The 1:1 Diet as a weight-management service built around personal Consultant support, tailored plans and food products. Customers can start through a taster pack or by finding a Consultant, and the company says products can be ordered in person or through its dedicated app. Its current communications emphasize nutrition, convenience, flexibility and personal guidance. Claims about safety, effectiveness and results in the supplied material are company claims rather than independent assessments.

  • 2019

    Rebrand date given by the Cambridge Diet explainer; employee-owned business recognition

  • 2018

    Rebrand date given by the About Us page

  • 2014

    Becomes employee-owned

  • 1986

    Business establishes itself in Corby

  • 1984

    Cambridge Diet launches

  • 1960

    Research into weight loss begins

Products and positioning

Personalized weight management combining tailored plans, one-to-one Consultant guidance and a broad range of convenient, nutritionally balanced foods.

  • Meal-replacement products

    The company lists shakes, bars, soups, savoury meals, porridge and smoothies among its meal-replacement products.

  • Snacks

    The range includes snacks such as Pop Squares and bites.

  • Step Up Meals®

    The company includes Step Up Meals® in its range of products.

  • Taster Pack

    The homepage offers a taster pack containing six meals.

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