dr greger glp-1 GLP 1 medications have done a great job for helping lose weight, but they still don't come close to surgical intervention. This was a large study looking at people who had a GLP-1 Drugs vs Natural Alternatives:

It is a collection of overlapping biological phenotypes

Ketogenesis is mainly modulated by insulin but also by other hormones like glucagon, cortisol, thyroid hormones, and catecholamines, which can increase free fatty acids availability for the ketogenic pathway [21,22]

The agency recommends that patients report any unusual changes in mood, behavior, or thoughts to their healthcare provider promptly

Other common symptoms of B12 deficiency include: Lethargy or a total lack of energy Extreme fatigue Palpitations Pale skin Feeling faint Breathlessness Weight loss and loss of appetite Your doctor may prescribe B12 injections in extreme cases that take effect right away