Silver Spring, Maryland: Food and Drug Administration
Yu T, Shi WY, Song AP, Gao Y, Dang GF, Ding G
Some wellness brands and telehealth startups now promote microdosing GLP-1s, claiming to offer weight loss benefits with fewer side effects
It is not a generic or substitute, it is the same molecule, tirzepatide, formulated and dispensed under medical supervision
Given that isotope tracer studies show BB is clearly formed following oral l-carnitine ingestion, and similarly, isotope-labeled BB was readily converted into isotope-labeled TMA/TMAO following oral ingestion, we hypothesized that low overall plasma concentrations of gut microbiotaproduced BB in humans may be the result of microbial BB breakdown into TMA, predominantly occurring in the lower intestinal track (colon) distal to the absorption of most nutrients like l-carnitine and BB
The work did not examine an adult participant or a clinical outcome