$ 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 "Thuja Occidentalis, Calendula Officinalis" --drug-index4 matches

Berberis Aquifoliu
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Berberis Aquifolium, Calendula Officinalis, Hydrocotyle Asiatica, Thuja Occidentalis, Borax, Natrum Muriaticum · Oral

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

Calendula Officina
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Calendula Officinalis,Thuja Occidentalis,Apis Mellifera Venom · Oral

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

Calendula Officina
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Calendula Officinalis Flower, Sambucus Nigra Flower, Echinacea Angustifolia, Thuja Occidentalis, Arnica Montana · Oral

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

Thuja Occidentalis
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Thuja Occidentalis, Calendula Officinalis · Oral

▂▃▄▅▅▅▆▇██human-drug-label · 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.