Supplement brand
F1rst
Every F1rst supplement product in our database — with full label data and a pharmacist-reviewed check for interactions with your medications.
1Product
1On the market
1Dosage form
The full range
F1rst products
Open any product to see its complete ingredient list and every drug interaction we check for it.
Powder
Every F1rst product
1 product, each with its full label, ingredients and drug-interaction check.
Checking a F1rst product against your meds?
Search any supplement or ingredient and we'll flag interactions, graded and pharmacist-reviewed.