5 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Race training plan / marathon & 5K prep by race date: build a plan backwards from event day. Returns periodization, weekly mileage, taper, and race-day strategy tuned to race type, date, current fitness, and runs per wee...
Ultra-processed food check for one real product — scan a barcode (EAN/UPC) and get the NOVA processing group, Nutri-Score, full additive census with flagged-additive notes (EU-banned dyes, IARC-listed sweeteners, nitrite...
BMR and daily calorie estimate (Mifflin-St Jeor) from weight, height, age and activity
Macro-calorie calculator from protein, carbohydrate, fat and alcohol grams
Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.