You can take more when you are sick or particularly stressed out
According to a US national survey, the average dietary intake of vitamin B 12 is 5.9 g/day for adult men and 3.8 g/day for adult women
Shahzad, K
Apart from its deficiency causing scurvy in humans, vitamin C is also vitally important to other species
In Bolivia, the CMS incidence was reported to be between 6% and 8% among the male population of La Paz (3600 m), 54 whereas a hospital study in the same region reported a frequency of 28%, predominantly among patients with respiratory diseases
The first and foremost investigation regarding the effects of CR in PGC-1 revealed that the levels of mtDNA, PGC-1, NRF-1, and TFAM are upregulated in CR mice compared with ad libitum mice in adipose tissue, brain, heart, and liver