33% Off

33% off All Products Sitewide at Optifast

  • Supports Charity
25% Off

Up to 25% off Everything at OPTIFAST

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Free Delivery

Free Delivery on orders over £50 at OPTIFAST

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25% Off

Up to 25% off Diet Plans at OPTIFAST

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Top Tip

Starter Pack for £24.61 at OPTIFAST

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25% Off

Up to 25% off Subscription orders at OPTIFAST

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Multibuy Deal

Free Gifts on orders at Optifast

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25% Off

25% off First order with OPTIFAST's Newsletter Sign Up

  • Supports Charity
30% Off

30% off Everything at Optifast

  • Supports Charity
Free Delivery

Free Next Day Delivery on orders over £60 at Optifast

  • Supports Charity
Top Tip

£10 Credit When You Refer a Friend at OPTIFAST

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Top Tip

Offers and Promotions at OPTIFAST

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Multibuy Deal

Free Diet Plan Handbook with orders at OPTIFAST

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Popular Optifast Discount Codes

Discount Last verified Redemptions
33% off All Products Sitewide at Optifast 15 Nov, 2023 Used 14 Times
Up to 25% off Everything at OPTIFAST 15 Nov, 2023 Used 2 Times
30% off Everything at Optifast 16 Nov, 2023 Used 1 Time
Free Delivery on orders over £50 at OPTIFAST 15 Nov, 2023 Used 4 Times
Up to 25% off Diet Plans at OPTIFAST 15 Nov, 2023 Used 14 Times

Optifast FAQs

ᐅ Where can I find an Optifast discount code?

We currently have 13 Optifast discount codes available, offering a maximum saving of 33% off to customers. Our page always has the freshest deals, helping you save on health essentials and meet your weight loss goals.

If you're a first-time customer, subscribe to the Optifast email newsletter to receive a 25% off Optifast discount code.

ᐅ When is the Optifast sale?

You can find products with the best value for money when you click on the Promotions tab on the Optifast website. There, you'll see what products are on offer, whether it be a diet shake, meal replacement shake, or high-protein cereal bar. Moreover, you'll also see if a diet plan has been discounted too. For example, 25% off diet plans & bundles.

ᐅ Is there an Optifast student discount code?

Students can get a whopping 10% Optifast student discount code to use on every order, helping you to meet those weight loss goals even on a student budget. You can access this discount using a Student Beans account which is free to use as a student and will allow you to use the discount time and time again.

ᐅ How do I know I am spending money on the right plan?

Make use of the handy plan finder tool. Based on your answers to a few simple questions, it will come up with the perfect Optifast plan to meet your body type and health goals. You will still be able to pick your favourite flavours, but you can rest assured that the products will be doing what you want them to.

ᐅ Do I have to buy each product individually?

Buying each product is only one option when it comes to buying from Optifast. Another popular way to shop is to buy the premade plans and bundles, and there are a few choices available. These could include the six-week diet plan, four-week maintenance plan, or the shakes edition bundle.

How can I get an even bigger Optifast discount?

Optifast banner - NHS Low Calorie Diet Programme

Be it bars and desserts or soups or shakes, Optifast has what it takes to help you reach your target weight with its range of targeted weight loss plans and programs. It is surprising how much you can save with bundles, offers, promotions, and more.

Take control of your diet, weight & health with Optifast plans

Take control of your diet the right way with Optifast's safe and efficient guides to help you reach your goals this season, and enjoy impressive before and after results.

Make a saving on your Optifast products, thanks to the Optifast sale. There's always a way to bag a great deal at Optifast, no matter the time of year. You'll find savings, such as up to 40% off diet plans, helping you get closer to your health goals for less.

If your goal is to take control of your diet, health and fitness, Optifast will help you achieve that. Check out the 'Shop by Diet Plans' page at Optifast, depending on your aims, to find the perfect plan for you. Whether you're hoping to maintain your current weight, you're looking for meal replacements, try intermittent fasting or periodic fasting - there's something for everyone. You'll find Optifast products, such as replacement meal shakes, bars, liquid diet items, soups, diet plans and more to support your weight loss programme.

Optifast coupon code banner

Banner offers

Take a look at the banners on the homepage before you shop. See if you can make use of any of the deals and offers advertised there. If you're interested in weight loss, fat loss, intermittent fasting or looking for low-calorie alternatives, you should be able to find a deal or offer perfect for you at some point. Whether it's the referral scheme or free delivery, you can find at least one way to allow you to hold on to a bit more of your hard-earned cash.

Diet plan bundles

Get the most for your money when you buy a bundle, which works out much more cost-effectively than buying every bar and shake separately. All sorts of bundles are available depending on the type of product you like and how long you want to be dieting for, but popular bundles include the 6-week diet plan or the bars edition bundle. You will see how much you save when shopping this way under the product image.

3 for 2

Bag 3 products for the price of 2 with this great offer, one of the most common deals run by the company. Better yet, you don't even have to do anything, as the offer automatically applies at the checkout. The deal applies to all shakes, bars, soups, and desserts, so you have plenty to save on.

Optifast Nestle banner


Get free tips, lifestyle articles, recipes, plus a lot more, from the Optifast blog. You can learn simple tricks, such as easily tracking your daily calorie intake. Read about other weight loss journeys and get inspired. The blog is updated regularly with new free content, so check it out.

Referral scheme

Tell a friend about the great results you have received from Optifast and earn credit to use on future shops. Head to the customer referral page and sign in to your account. Share your unique code with friends with help from the handy social media share buttons. When a friend completes an order worth £40 or more, you will receive £10 worth of credit, and they'll receive £5. Check out how much credit you have earned and how many people you have signed up with through the referral scheme.

Winter Savings at Optifast

optifast discount code banner and family

Lose weight easily with Optifast

Discover your perfect diet plan with ease with Optifast so you don't waste money on something that's not right for you. If you're looking for a diet plan, need help with weight loss or fat loss, or are interested in intermittent fasting, Optifast is the brand for you.

Check out the Choose your Plan page and follow the instructions, such as letting the team know a bit about you and your goals. They will then calculate your BMI and recommend a plan tailored to you, leaving you to pick out your favourite flavours.

We're all trying to save as much as possible and maximise our spending. Due to this, you can feel a bit more relaxed over the fact that you'll receive a free gift when you spend over £50 or get something even better when you spend over £100. Whenever you spend over £50, you will bag yourself a free Optifast shaker. Spending over £100 allows you to choose a tasty treat from a range of desserts or soups. Not only are you getting more bang for your buck, but you'll be able to stay within your diet plan or caloric deficit easily.

Winter sales

Don't forget all about those Optifast sales that occur throughout the year. Think Black Friday, Flash Sales and product-specific deals such as get up to 40% off on Diet Plans. These fantastic offers tend to appear one after another; for example, after Optifast's Black Friday Sale don't be surprised if you see a 25% off sitewide deal potentially appear a few days after.

Other sales to expect to see during the Winter season include:

  • 20% off sitewide
  • Up to 40% off Diet Plans
  • 30% off sitwide
  • Mix and Match: 3 for 2
  • Buy 1, Get 1 50% off

How do I use an Optifast discount code?

  1. Find the code that you want to use from the Optifast discount codes available
  2. Click on the code and copy it
  3. Follow the link through to the Optifast website
  4. Add your chosen products to your basket
  5. Head to the checkout
  6. Paste your discount code into the box that says ‘Got a discount code?’
  7. Click on ‘add’ to see your discount applied
  8. Pay for your cheaper goods

Optifast discount code box - checkout

Recently Expired Optifast Discount Codes & Deals

3 for 2 orders at Optifast
25% off Everything at Optifast
25% off Everything at Optifast
20% off Everything at Optifast
25% off Individual Items at Optifast