Sodium nitrite (E250)
The preservative in bacon, ham and other cured meat. Processed meat is an IARC Group 1 cause of bowel cancer, and the NHS advises capping it at 70g a day.
Scan or search a food and the additives we recognise get a plain-English explanation, the published concern, and the source. Then the same diary tracks your meals, your vitamins, your workouts and how you actually felt.
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Scan a barcode or log a food and the additives we recognise get explained in a line you can read in the aisle. Where there's published evidence of a concern, we show it, and we tell you who said so.
The preservative in bacon, ham and other cured meat. Processed meat is an IARC Group 1 cause of bowel cancer, and the NHS advises capping it at 70g a day.
A yellow colour, one of the Southampton Six, used in some sweets and drinks. The FSA requires a label warning that it may affect activity and attention in children.
A sweetener in diet drinks and sugar-free gum. The WHO's cancer agency (IARC) classed it possibly carcinogenic to humans in 2023 (Group 2B).
The nutrition panel comes straight from the can. Scan a Coca-Cola and the caramel colour, E150d, is flagged with the plain-English line and the regulator named on it: IARC and California's Prop 65 list. Tap any additive for the detail, so you can check the source yourself.
Every food you log adds to your day against the UK reference values: the sugar bar, the salt bar, and on Pro your vitamins and minerals. The additive flag is free on every ingredient we recognise.
The additive flag is the hook. From there, the same diary holds your food, your training and the signals your body sends back. Some of it is free, some sits behind Pro.
Type it, search it, or scan the barcode. Branded and own-brand, from Tesco to Lidl to Morrisons. Up to 25 entries a day on the free tier.
See how the foods you log stack up against UK Nutrient Reference Values, so you can see where you're covered and where you're not.
Log energy, mood, gut, skin and sleep. Over time we surface the foods that keep turning up on your rough days, something solid to take to your GP.
Log sets, reps, weight and personal bests, with two-way Apple Watch and HealthKit so your training and your diary live together.
Run 16:8, 5:2 or your own window and keep the full history, so you can see how the pattern held up week to week.
AI meal scan reads calories, macros and ingredients from a photo. The AI Coach chats with your real diary in front of it.
The download is free, and so is barcode scanning, food logging and your first reactions. Pro lifts every limit and unlocks the AI tools, workouts, fasting and the deeper insights.
The download is free, with barcode scanning and food logging from day one. Pro is £3.99 a month or £34.99 a year for everything else.
iPhone · iOS 17 · Cancel any time