Heart & cholesterol
Cholesterol & risk calculator
Enter your panel and see every marker read against its reference interval, with supplement doses that adapt to your inputs, a statin-alternative pathway, and projected 12-week outcomes.
Eating for the heart
Food scores — 267 foods
Glycaemic load, added sugar, saturated fat and nutrient value, plus additive and heavy-metal load. Sortable and searchable.
Eating for the heart
Build the plate, portions by height
Plate portions and rough daily nutrient figures scaled from a small child to a tall adult, with hand measures for the no-weighing version.
Longevity
Longevity supplements
The frontier tier, with guidance that adjusts to APOE genotype — the only input these recommendations use.
Food & product safety
Brand safety database
256 UK brands ranked against ten criteria, searchable and filterable, with separate gluten-free rankings where they apply.
Food & product safety
Plastic ingress guide
Fifty-eight everyday situations that put plastic into food and drink, graded by how much each actually matters.
Vaping
Vape exposure estimator
Set a room size, duration and ventilation, and see the estimated dose for both the person vaping and anyone else in the room.
Heart & cholesterol
Is your BP treatment working?
A week of home readings against the target that applies to you, where you sit in the treatment sequence, and what commonly defeats it. Ends at your prescriber, always.
Heart & cholesterol
Blood pressure measurement
Inter-arm difference and the ankle-brachial index from your own readings — plus the technique errors that add 10 to 20 mmHg before the cuff inflates.
Heart & cholesterol
Body composition calculator
Waist-to-height against the NICE bands, BMI with ethnicity-adjusted thresholds, and waist-to-hip against the WHO cut-offs — plus what none of them can measure.
Emergencies & first aid
Dipstick UTI interpreter
Set all ten pads of a urine strip, say who the sample is from, and see what the pattern suggests — including when a strip should not be deciding the question at all.
Heart & cholesterol
CGM 14-day protocol
Not interactive, but a protocol to follow: device comparison, target ranges, and how to read what a glucose monitor shows you.
Nothing you enter leaves your browser. The
calculator runs entirely in the page. There is no account, no database and no submission — if you
reload, your figures are gone unless you have kept the share link it generates.