when injecting a b12 shot Vitamin Injection Sites: All You Need to Know Treating Severe Vitamin B12 Deficiency

For metabolic studies where steady-state NAD+ elevation or weight change is the endpoint, switching routes after steady state is achieved (day 5+) has minimal impact on final outcomes, but document the change and consider it during analysis.

Certain medications or medical conditions may interact with B12 injections, so your provider can assess potential interactions and adjust your treatment plan accordingly to ensure your safety and optimal results

Progesterone: review of safety for clinical studies

Published December 2, 2021

Increased hunger is possible, which runs counter to fat loss goals if not managed through meal planning

Esbaugh AJ, Tufts BL