Vitamin A (Retinol) is a fat soluble nutrient and need to be combined with fats (oils) to improve its absorption. Like other fat soluble vitamins it stored in the liver and transported by the biliary system. Retinol is found only in animal foods and Beta Carotene is found . . . → Read More: Beta Carotene And Vitamin A
B vitamins are water soluble and need to be replenished daily. Substances containing caffeine and alcohol are enemies of B vitamins, preventing their absorption and depleting them. So take you B+C supplements after a night out!
In my experience, most of my customers and people I . . . → Read More: Know Your B Vitamins – Some Technical Facts.