Many people prefer sprays because B12 is delivered directly into the mouth via sublingual absorption, which bypasses the digestive system for quick and efficient uptake
Similar to NAD+ IV Drip Therapy, healthy adults interested in boosting cellular health and anti-aging interventions are good candidates for NAD+ IM Shots
Critics counter that moving the compounds into legitimate pharmacies could create the appearance that they have been proved safe and effective when, in many cases, data from robust clinical trials remains limited
Sellers have attempted to take advantage of a perceived legal loophole, labelling the substances as research chemicals that are not for human consumption
Specifically, per 428.402(c), CMS will issue a Preliminary Rebate Report for each applicable period followed by issuance of the Rebate Report for each applicable period no later than December 31, 2025