It includes everything in the Gold tier plus Reverse T3 (which can act as a "brake" on your metabolism), HbA1c (for blood sugar health), and a full iron panel
Remember, B12 deficiency can cause a whole host of symptoms, and reversing those effects might take some time
These markers are useful when symptoms or risk factors suggest a functional deficiency that a high total B12 could be masking
Pharmaceuticals, 18(2), 185.
Zofran (Ondansetron) used to prevent or minimize nausea or vomiting
Intramuscular injection adverse events include injection site pain (more common than SubQ due to needle depth), transient muscle soreness in 1020% of subjects, and rare hematoma formation if a blood vessel is inadvertently punctured