A cool rinse when washing your hair is also a good way to ensure your hair feels soft to the touch
10.1071/HC23064 [DOI] [PubMed] [Google Scholar] 4.Li YY, Feng J, Zhang XL, Cui YY
As a doctor, instead of ordering separately a vitamin C test, a vitamin E test, a vitamin D test and so on, it makes sense to order a comprehensive panel that looks at all of the vitamins, minerals and antioxidants of interest
Increased blood concentration of homocysteine is another nonspecific biomarker of vitamin B 12 deficiency that has been linked to depressive symptoms in the elderly (108)
It also has a solid research base, with work exploring how it triggers growth-hormone secretagogue receptor signaling (Raun et al., 1998, European Journal of Endocrinology)
In comparison, it decreases markers of muscle degradation as well as symptoms suggesting muscle atrophy, including loss of muscle strength and lean mass