taking a week off semaglutide GLP-1 receptor desensitization is the reason your appetite comes back after months on semaglutide, tirzepatide, or retatrutide. The receptors get pulled into the cell faster than your body can recycle them back New Evidence on Semaglutide Timing:

In rat experiments, a decrease in phylloquinone (vitamin K 1 ) and menaquinone-4 (a form of vitamin K 2 ) concentrations in extra-hepatic tissues was found in animals administered excess -tocopherol via the diet or by subcutaneous injection

Conditions Commonly Caused by B12 Deficiencies B12 deficiencies are common and can cause a wide range of symptoms and health issues, including: Depression Fatigue, including chronic fatigue Poor concentration and memory Insomnia and other sleep disorders Headaches Heart disease Anemia Digestive disorders, including irritable bowel syndrome (IBS) Peripheral neuropathy Nearly anyone can suffer from a B12 deficiency

The presence of niacinamide may slow these degradation pathways, extending the viable shelf life of the reconstituted peptide

The data is here

There isnt strong evidence for any of these claims

Its sold as a diabetes medication