https://pages.htgaa.org/2026b/raul-duran-de-alba/week-01-hw-project-ideas/index.htmlA Living Probiotic Community for Vitamin D Production and Absorption Raul Duran De Alba — HTBAA Homework #1 — September 22, 2026 My proposal is a bacterial community designed to produce a small, controlled amount of vitamin D inside the gut and improve its absorption. This is an ambitious research concept: in-gut vitamin D production is an unresolved challenge, and the proposed functions must be distinguished from what has already been demonstrated.Hugoen