It comes down to what your protocol actually requires
According to water intake, B12 supplemented in drinking water at 10 g/ml and 40 g/ml were estimated to reach a total dose of 30 g and 120 g per mouse a day, respectively
A few commenters stated that, although ASCs play a vital role in delivering surgical and procedural care, the short-term, episodic nature of ASC services is not optimal for addressing broader well-being or nutritional needs, which require longitudinal interventions and follow-up beyond the ASC setting
Arteriosclerosis, Thrombosis, and Vascular Biology
Previously, the OPPS established the scaled relative weights on which payments are based using APC median costs, a process described in the CY 2012 OPPS/ASC final rule with comment period (76 FR 74188)
You are injecting a substance whose direct biological activity is a mystery