$ 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 "Arginine Hydrochloride" --drug-index4 matches

Leucine, Phenylala
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Leucine, Phenylalanine, Lysine Hydrochloride, Methionine, Isoleucine, Valine, Histidine, Threonine, Tryptophan, Alanine, · Oral

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

Arginine Hydrochlo
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Arginine Hydrochloride · Oral

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

Green Tea Leaf, Ac
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Green Tea Leaf, Acetylcarnitine Hydrochloride, Arginine Hydrochloride, N-Monoacetylcystine, Tribulus Terrestris Fruit, M · Oral

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

Acetylcysteine, Ga
  o--o
   \/
   /\
  o--o

:| molecule · DailyMed SPL index

Acetylcysteine, Gamolenic Acid, Gymnema Sylvestre Leaf, Inositol, Chinese Cinnamon, Arginine Hydrochloride, Levocarnitin · 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.