[DOI] [PMC free article] [PubMed] [Google Scholar] References to other published versions of this review VidalAlaball 2005 VidalAlaball J, Butler CC, CanningsJohn R, Goringe A, Hood K, McCaddon A, et al
We require a verified purity of 99% or higher and perform independent third-party spot testing to confirm that select lots meet our internal standards for identity, purity, and composition
Low LH, low estradiol, and low-normal T3 in the presence of normal TSH suggest functional hypothalamic suppression secondary to energy deficit
The duration of the effects can vary depending on the individual and the type of injection
People Taking Certain Medications: Medications like metformin and proton pump inhibitors can interfere with B12 absorption