$ 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 "Silybum Marianum Seed" --drug-index4 matches

Liver (Centaurea B
  o--o
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  o--o

:| molecule · DailyMed SPL index

Liver (Centaurea Benedicta, Silybum Marianum Seed, Ceanothus Americanus Leaf, Chelidonium Majus, Chionanthus Virginicus · Oral

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

Sodium Pyruvate - 
  o--o
   \/
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  o--o

:| molecule · DailyMed SPL index

Sodium Pyruvate - Silybum Marianum Seed - Chelidonium Majus - Fumaric Acid - Pork Liver - Taraxacum Officinale - Lycopod · Oral

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

Arctium Lappa Whol
  o--o
   \/
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  o--o

:| molecule · DailyMed SPL index

Arctium Lappa Whole, Berberis Vulgaris Root Bark, Silybum Marianum Seed, Chelidonium Majus, Cholesterol, Chrysanthellum · Oral

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

Silybum Marianum S
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Silybum Marianum Seed · 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.