B12 primarily supports nerve health, brain function, and energy production
Warfarin interaction is clinically relevant because GLP-1-induced changes in gastric emptying can alter absorption of narrow-therapeutic-index drugs, and QT prolongation matters because of the cardiac side-effect profile of some weight-loss adjuncts
PMID: 18061177 PepT1-Mediated Tripeptide KPV Uptake Reduces Intestinal Inflammation Guillaume Dalmasso, Laetitia Charrier-Hisamuddin, Hang Thi Thu Nguyen, Yutao Yan, Shanthi Sitaraman, and Didier Merlin ~ Inflamm Bowel Dis
Together, they deliver synergistic results with lower risk of suppression or estrogenic side effects (compared to AAS)
The Journal of Clinical Endocrinology & Metabolism, 92 (8), 28852892.