casein
Supplement
Discussed as a protein source for pre-bed consumption, with the common recommendation of slow digestion, but questioning its actual slow absorption rate compared to other proteins.
Mentioned in 2 videos
Videos Mentioning casein

How to Optimize Your Hormones for Health & Vitality | Dr. Kyle Gillett
Andrew Huberman
A milk protein that is a mu opioid receptor agonist in the gut and can increase prolactin levels. Eliminating it might help manage higher prolactin.

Protein Digestion Speed, Bone Density, Push-Pull Ratios (Episode 79)
Stronger By Science
Discussed as a protein source for pre-bed consumption, with the common recommendation of slow digestion, but questioning its actual slow absorption rate compared to other proteins.