day after b12 injection tired Why do I feel worse a injection? Low on energy? Feeling run

According to a widely known Study, more than 40 percent of Americans may be deficient in Vitamin B12. Among other things, Vitamin B12 is also responsible for energy and high metabolism as it supports nerves and red blood cells

La procdure est simple et ne prend gnralement que quelques minutes : 1

As with other forms of copper supplementation, the use of parenteral injections can sometimes give rise to toxic reactions as well as allergic type responses with respiratory distress

EACH ML CONTAINS: CYANOCOBALMIN 1000MCG, BENZYL ALCOHOL 1.5%, SODIUM CHLORIDE FOR ISOTINICITY, SODIUM ACETATE AND ACETIC ACID AS BUFFERS, SODIUM HYDROXIDE AND/ OR HYDROCHLORIC ACID TO ADJUST Ph AND WATER FOR INJECTION

We also need B12 to make red blood cells