Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Biology

Pharmacokinetics of Oral Sustained-Release Formulations

Quick fact

A sustained-release pill can keep drug levels in the therapeutic range for up to 24 hours with a single dose, compared to a conventional pill that may need to be taken every 4-6 hours.

Why this is interesting

Have you ever wondered why you only need to take some medications once a day, while others require multiple doses? The secret lies in how those pills are designed to release their drug over time.