Your easy-to-use food diary tracks your calorie intake for you. Simply find what you've eaten in our calorie directory, select the portion size and click to add it to your diary. It measures your 5-a-day, alcohol and water intake too.
For times when you're not near your computer, you can log into your diary from your mobile. There are time-saving options like saving your 'Favourites' and copying over the contents of your food diary.
Our mobiles are the one item we never leave home without! So when you're away from your PC, this is the convenient way to keep your food diary updated. Plus you can scan the barcodes on food, check your recipes and view the forums and post on the go.
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Of course, when you're seeing the weight come off, it's really important to record how well you're doing. You can enter your weekly weigh in plus up to seven other body measurements if you wish.
There's also a very handy chart that shows how closely your weight loss is tracking over time towards your goal.
Feeling supported is vital to your success - and you'll get plenty of help and motivation from our members' forums. There are thousands of people with just the same challenges and issues as you - a problem shared generally means lots of helpful replies.
Even if posting in forums isn't your thing, it's still well worth reading the comments. We know that people who use this part of the site find it helps their weight loss.
The best way to know what goes into your meal is to prepare it yourself. So our handy Recipe Calorie Counter lets you enter your favourite recipes and check the calories per portion. You can try changing portion sizes or ingredients to see the effect on calorie content.
Store all your recipes in a Personal Recipe Book, then simply add one portion to your food diary with a click whenever you cook that meal.
Just a fraction of the cost of a typical weekly diet club.
Nutracheck membership starts from just £1.42** per week.
See membership options and prices
Look up the calorie content of over 100,000 food and drinks. It's particularly useful for foods without nutritional labeling like take outs, alcoholic drinks and coffee shop products. We show you different serving sizes to help you make an informed choice.
Use your mobile when you're out to check the calorie value of foods. It's a convenient, discreet way to keep your diet on track.
Of course food intake is only half the equation - burning more calories is important to boost your weight loss too. Your exercise diary shows how many calories are burned by hundreds of different activities.
From gym-based to home - you can find how out how many calories you burn off doing your favourite fitness DVD, playing the Wii Fit or cleaning the car!
For people who want to analyse their diet in a bit more detail, there are 8 different reports. You can view which foods contribute the most fat to your diet, or the most calories. Track your weekly alcohol intake or check whether your exercise levels are increasing.
Got a question about nutrition or your exercise programme? Our nutritionist Angela Dowden and fitness consultant Kelly Marshall are here to provide an expert answer. Only available to full members, you can post your query (anonymously) in the forum if you feel it would help others too - or our experts send a personal reply by email.
Find lots of useful articles covering a whole range of subjects. From nutrition, to dieting, to getting fit and making the most of your exercise programme. Our comprehensive library covers many popular issues raised by slimmers. As well as articles, there are hundreds of real life members' problems that our experts have answered.
* Our experts endeavour to answer as many questions as possible but unfortunately cannot guarantee to reply to every one received. We do not provide medical advice and if it is felt that a question is of this nature, we will direct you to speak to your GP or seek suitable medical advice.
* Published by Kaiser Permanente's Center for Health Research
** Weight loss is individual and your personal rate of loss may vary from any case studies shown on this website.