$ cat molecule-index.md

# Molecule Index

> Same ingredient. Different brand. Different country. Different price.

Source-backed medicine price notes for the drugs we can verify now; ingredient-first index for the rest.

100000 drug records20370 ingredient keys27,632 molecules41 source-backed drugs84 source rows157,384 label recordsUS first price order

$ grep "Folic Acid And Cholecalciferol" --drug-index4 matches

Vitamin A Acetate,
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Vitamin A Acetate, Ascorbic Acid, Cholecalciferol, Thiamine Hydrochloride, Riboflavin, Niacin, Pyridoxine Hydrochloride, · Oral

▄▇███▆▃ ▂▅supplement-or-medical-food · price not live yet

Folic Acid And Cho
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Folic Acid And Cholecalciferol · Oral

▂▂▃▄▄▅▅▆▇▇█human-drug-label · price not live yet

Calcium Citrate, I
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Calcium Citrate, Iron Pentacarbonyl, Cholecalciferol, .Alpha.-Tocopherol, Dl-, Pyridoxine Hydrochloride, Folic Acid, Doc · Oral

██▇▆▅▅▄▃▂▂ human-drug-label · price not live yet

Vitamin A, Ascorbi
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Vitamin A, Ascorbic Acid, Cholecalciferol, .Alpha.-Tocopherol, Thiamine, Riboflavin, Niacin, Pyridoxine, Folic Acid, And · Oral

▂▃▄▅▅▅▆▇██animal · price not live yet

$ cat method.md

Ingredient first, prices second

Index 100,000 drug/package records by active ingredient, brand, route, class hint, source, and risk/price-gap watch signals.

Attach daily country snapshots for US, Canada, UK, India, Mexico, and EU comparator markets.

Track pharmacy-level prices, coupons, cash-pay providers, generic availability, and verified substitution boundaries.