Both should be present on any certificate of analysis from a reputable supplier
While deficiency is relatively rare in developed countries due to the availability of fresh produce and the addition of vitamin C to certain foods and supplements, it still affects roughly 7% of adults in the US ( The most common risk factors for vitamin C deficiency are poor diet, alcoholism, anorexia, severe mental illness, smoking and dialysis ( While symptoms of severe vitamin C deficiency can take months to develop, there are some subtle signs to watch out for
Controlled human trials exist, but they're limited in size, focused mostly on topical cosmetic use, and usually last only a few weeks or months. That means a lot of the exciting claims, especially around gene expression, systemic repair, and anti-aging effects, haven't been confirmed in large-scale human studies
And all of a sudden, her motility came back