ge glutathione sepharose 4 fast flow 4B From Healthcare tagged protein purification resin Cytiva Glutathione Sepharose 4 Fast
Description
Not all

Only a few cases due to vitamin B12 have been reported in the literature

The composition remains unflavored, neutral in pH, and 98% pure, providing a gentle yet potent solution for daily wellness without compromising dietary preferences

So, while the idea that B12 injections cause weight gain might be a popular rumor, current evidence indicates that a vitamin B12 deficiency is unlikely to affect your weight directly in terms of gain
doi: 10.3389/fendo.2018.00522