Turn every lesson into active recall.
Watch the free video, work through the companion chapter, then practice the concepts in a Step 1 style question block. One membership covers every published lesson.
Full access. Your choice of billing.
Both plans include the same study experience and new lessons as they are published.
- All published companion chapters
- Matching Step 1 style question blocks
- Tutor and timed Exam practice
- New lessons included when published
Renews at $24.99 USD yearly until canceled. Cancel online from your account; access lasts through your paid period.
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Everything follows the topic you chose.
Watch
Start with a focused video, available free on YouTube.
Read
Use the companion chapter to fill in the mechanism and details.
Practice
Work through matching questions in Tutor or timed Exam mode.
Membership questions
What can I study today?
Open the lesson library to explore published lessons. Every video is free to watch without an account. Membership adds companion chapters and full quizzes as lessons go live.
When am I charged?
The monthly plan charges $9.99 USD at checkout and every month after. The annual plan charges $24.99 USD at checkout and every year after. Stripe Checkout shows the final amount before you confirm.
How do I cancel?
From your account, choose Manage billing to cancel online. Your access continues through the current paid period. Both plans renew automatically until canceled.
Can I try a lesson first?
Yes. You can watch any published video free. The amino acids and protein structure lesson also includes its entire chapter and full exam simulator free, without an account.