b12 injection vs oral supplement Injections vs. Supplements – Known Nutrition UK b12 tablets instead of injections

Reduces abnormally high testosterone levels, which is a common problem for women with PCOS

Schedule Your Visit Board-certified providers Baltimore, MD Dosing and Treatment Timeline Semaglutide dosing follows a slow, deliberate climb to minimize side effects

Completely different mechanism, which is part of why some people consider running both (more on that in a moment)

Summary: Vitamin B12 treatment typically begins producing early haematological responses within 34 days, with neurological symptoms starting to improve within 12 weeks, though complete symptom resolution may require several weeks to months depending on deficiency severity and treatment route