The Stronger By Science (SBS) Program Bundle is a collection of six autoregulated training programs from Greg Nuckols. It’s free with an email signup on the Stronger By Science website, and it comes as a Google Sheets workbook.

The bundle covers six 21-week programs across different goals and experience levels. There’s also a standalone Program Builder that lets you customize almost everything. Getting autoregulation and periodization wired together like this is rare for a free resource.

There’s a catch worth knowing before you start. The spreadsheet automates so much of the programming that there’s a real learning curve. Spend 20-30 minutes with the included PDF instructions before your first session, and don’t skip that step.

If you’re already familiar with Greg Nuckols’ work, you might know his popular 28 Programs (also available here on Lift Vault). The SBS Program Bundle is a more recent and more sophisticated set of programs. Think of the 28 Programs as individual single-lift routines you mix and match yourself. The SBS Bundle is a full training system with built-in autoregulation and multi-lift programming already wired together.

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