are b12 tablets as effective as injections Shots at Home: How, Where & How Often to Inject Yourself B12 Injections vs. Oral Supplements:

But in most cases, no

B2 Riboavin B2 Riboavin Riboavin is mainly involved in energy metabolism and helps the thyroid function properly

For those dealing with nerve issues like numbness or tingling, B12 injections can help ease those discomforts

These are more considerations of medications affecting vitamin status (rather than the vitamin affecting the medication), but they illustrate the clinical judgment required when co-administering this injection with certain treatments

- PubMed - NCBI Exogenous testosterone: a preventable cause of male infertility - Crosnoe - Translational Andrology and Urology Maintenance of spermatogenesis in hypogonadotropic hypogonadal men with human chorionic gonadotropin alone

How does the body process B12