J Clin Endocrinol Metab 33:688, 1971
Injections provide a direct, efficient way to replenish B12 stores without relying on oral supplements, which may be less effective for some people
S., Douglas, R
Nausea and Stomach Upset : High doses of glutathione can sometimes cause digestive discomfort, including nausea and stomach cramps
And Sam Rhee: if you're sitting there like, oh, my shoulder is just like, and you know, it's not enough to like warrant something invasive, but it's not like really great and it's not, you know, I'm just, it's smoking along, but not doing awesome
Sprauten M, Darrah TH, Peterson DR, Campbell ME, Hannigan RE, Cvancarova M, Beard C, Haugnes HS, Foss SD, Oldenburg J (2012) Impact of long-term serum platinum concentrations on neuro-and ototoxicity in cisplatin-treated survivors of testicular cancer