Sodium phenylbutyrate is a pharmaceutical form of butyrate. Similar non pharma butyrate is available.
UDCA requires a prescription. TUDCA does not.
Here I will be culminating information on how these compounds and studies relate.
This is a continuation of my message that what benefits ALS and ALZ is of great relevance to PD.
UP study for Parkinson’s using UDCA Why not TUDCA? Is it because when used alone, not in combo with the pharma form of butyrate as the other trials, UDCA must be used bc it is not OTC, it’s a pharma and can be marketed as such? And of course because then quality can be assured.
Is ursodiol the same thing? It’s cheap. Anyone take it off label?
Ursodeoxycholic acid (UDCA), also known as ursodiol, is a secondary bile acid, produced in humans and most other species from metabolism by intestinal bacteria en.wikipedia.org/wiki/Ursod...
"This is a continuation of my message that what benefits ALS and ALZ is of great relevance to PD." Thank you, I feel validated.
SE
What the Heck is Butyrate and How Can It Save Your Brain and Improve Your Mood?
Niacin and Butyrate: Nutraceuticals Targeting Dysbiosis and Intestinal Permeability in Parkinson’s Disease
Short Chain Fatty Acids, sodium butyrate, phenylbutyrate
L-Serine, safe & shows promise in reducing PD, ALS, ALZ. PD trial. Will be culminating research below. 
Prebiotic Probiotic Antibiotic... What's the deal?
