Starcast Join the waitlist
The Hunter Williams Podcast

The Hunter Williams Podcast

IGF-1 Masterclass | A Complete Research Guide (2026)

Oct 13, 2026 · 1h 2m

Coming soon to iPhone. Already have it? “Listen in Starcast” takes you straight there.

On this episode

About this episode

Most people treat IGF-1 LR3 like a muscle peptide you just add to the cart. I want to slow that down a bit.In this masterclass I break down IGF-1 LR3 and IGF-1 DES. Both are modified versions of the IGF-1 your liver makes. They work by dodging the binding proteins that keep most of your IGF-1 parked and inactive. More free IGF-1 means more signal actually reaching the muscle.I cover who these make sense for and who should skip them. I walk through my dosing tiers, starting at 40 to 50 micrograms. We get into timing around training, why you always dose with carbs on board, and the day my wife and I ended up buying candy mid-workout.I also explain why your IGF-1 blood work might drop while…