For a fuller treatment of when the intravenous route is worth the cost and when it is not, see our comparison of IV versus oral supplements
Bae KY, Kim SW, Shin HY, et al
Vitamin B12 can also benefit other areas, including: +Beauty +Energy +Metabolism +Immunity +Recovery Glutathione has many functions within the body including, supporting immune function, forming sperm cells, fighting free radicals, helping with certain enzyme functions, and making DNA
Parallel animal models in the same study revealed that glutathione supplementation increased mitochondrial DNA by 53% and improved intermuscular pH, effectively preventing the acidic environment that leads to rapid muscle burning and exhaustion
doi: 10.3168/jds.S0022-0302(05)72926-X 117 SvenssonC.LinderA.OlssonS
It also supports liver detox, which in turn improves nutrient absorption