Vitamin B12 and Testosterone Levels Infertility affects about 16% of couples in North America, with male factor and a combination of male and female factors contributing to half of all cases
B12 shots for malabsorption or dietary restriction Vegans, vegetarians, older adults, and people with GI conditions (Crohn's disease, celiac disease, pernicious anemia) commonly have inadequate B12 absorption
Measuring and Adjusting Your B12 Injection Dosage To get the most from B12 injections, knowing how to measure and adjust dosages is key
Why Is Vitamin B12 Important
Other side effects that can occur include: Excessive sweat production Rapid weight gain Pain when breathing Shortness of breath when lying down Anxiety Increased or irregular heart rate Numbness, tingling or muscular weakness Increased thirst Urinary frequency B12 injections can also cause allergy symptoms immediately after administration, like difficulty breathing, a swollen throat, mouth, or swelling of the mouth, tongue or face
