Nourishing: Niacinamide (Vitamin B3) enhances the skin's barrier function, improves moisture retention, and reduces inflammation, resulting in smoother, healthier-looking skin
Within cohort 1, four cases of COVID-19 were reported during the follow-up period which were equally split between the supplemented and placebo group, suggesting no significant difference
Vitamin A is found in a variety of foods, including animal products like liver, fish oils, milk, cheese, and eggs ( Plant-based sources of vitamin A include leafy green vegetables, tomato products, sweet potatoes, carrots, and fortified cereals ( Useful supplement shopping guides Vitamin A supplements may be a good idea for you if you have a vitamin A deficiency or are looking to boost your antioxidant intake or eye health
10.1093/molehr/gav003 18 DesbatsM