Long-term effects beyond 8-12 week cycles remain unknown due to the nature of available evidence
But they in turn will also have problems, that we dont
6 Best Vitamin C Serums That Deliver Real Results The best vitamin C serums are among the most effective skin-care products for tackling the peskiest skin-care concerns, including dullness, discoloration, and dark spots
Studies were excluded if they met the following exclusion criteria: studies conducted on children, adolescents, or animals, reviews studies, in vitro studies, editorial papers, gray literature, books, conference abstracts, and RCTs conducted without a placebo or control group
Because B12 is primarily found in animal products (meat, fish, dairy, eggs), people following vegetarian or vegan diets may be at higher risk of deficiency
Zenaro, E