vitamin b12 injectable cat B-12 1000mcg - Injection for Pets Cyanocobalamin (Vitamin B12) Injection is sold as an FDA approved generic drug Vita-Jec Vitamin B12 1000-mcg for
Description
starting at 0.5 mg and titrating up minimizes this

B12 injection vs oral supplement , which fits you

B12 shots are commonly used in weight loss programs due to their role in boosting metabolism and energy levels, which are essential for effective weight management

I am not a medic and the above are only some 'thoughts' prompted by your post - which may well be incorrect (and I hope someone will tell me if they are )

Association between the MTHFR C677T polymorphism, blood folate and vitamin B12 deficiency, and elevated serum total homocysteine in healthy individuals in Yunnan province, China
