According to the Mayo Clinic, parenteral vitamin B12 therapy is clinically indicated for treating deficiency caused by pernicious anemia, gastrointestinal disorders such as tropical sprue, and conditions resulting in malabsorption like pancreatic insufficiency
Sunless tanners can be much better options, but not all are safe Sunless tanners are products that give your skin a sun-kissed glow without being exposed to harmful UV rays
10.3389/fphar.2016.00289 59 GuanC.XuW.HongW.ZhouM.LinF.FuL.et al (2015)
It promotes neuron survival
Valderrama JO, Perrut M, Majewski W (2003) Extraction of astaxantine and phycocyanine from microalgae with supercritical carbon dioxide
PLGA and other biodegradable carriers can readily be functionalized with GSH-cleavable linkers or redox-sensing moieties, providing clinically tractable routes to translate GSH-responsive designs into precision treatments [23]