That old wive's tale about carrots helping you see in the dark isn't entirely off - target; they're very high in betacarotene, which is an important nutrient in maintaining healthy eyes. (bbcgoodfood.com)
Hi Veguyan, Yes it appears that taking isolated vitamin supplements is harmful especially in the case of the fat soluble vitamins A & E. Isolated supplement of betacarotene has also been shown to be associated with bad outcomes. (nutritionfacts.org)
The presence of carrot contributes with betacarotene, a precursor of vitamin A, and spinach provides both vitamin K, for healthy bones, and coenzyme Q10, which aids skin regeneration. (herbazest.com)