In 2022, Tidman et al
That does not mean anything serious is wrong, it is just a way to get clear answers
Some types, like creams, are meant for the skin, while others are experimental, like taking it internally
It is recommended that future studies investigate the potential side effects of vitamin D, particularly those associated with high-dose or long-term supplementation, such as hypercalcaemia or drug interactions
Research indicates Dihexa treatment can improve functional outcomes in animal models of cognitive impairment, with behavioral improvements correlating with structural brain changes including increased synaptic density and improved neural connectivity patterns
But the more important human brain cytoplasmic (free) [NAD + ]/[NADH], as measured by MRI measurements of the pyruvate/lactate, was shown to become more oxidized with aging (Uthayakumar et al., 2023)