Vitamin A and Beta Carotene - What, How, When, Why to Supplement

 Sources and Physiologic Functions: 

Sources: Foods that are plentiful in nutrient An are milk, cheddar, spread, eggs, liver, and such fish as herring, sardines, and fish. The most extravagant wellsprings of nutrient An are the liver oils of shark, halibut, and polar bear. 

Rich wellsprings of pre-nutrient An are spinach, carrots, Isozyme mtx papaya, oranges, yams, and melons. Helpless wellsprings of nutrient An and pre-nutrient An are vegetable oils, white grease, white corn, grains, hamburger, and vegetables. 

Food Source 

Serving Size/Amt 

Worldwide Units (IU) 

Milk 2% 8 fl oz - 500IU; Cream Cheese 1oz 405IU; Cheddar Cheese 3.5 oz 1059IU; Egg (bubbled) 1 medium 280IU; Egg (mixed) 1 medium 416IU; Liver (meat braised) 3.5 oz 35679IU; Liver (veal braised) 3.5 oz 26883IU; Herring (crude) 3.o oz 80IU; Herring (kippered) 1 piece 51IU; 

Sardines (canned/oil) 2 pieces 54IU; Tuna (crude) 3.0 oz 50IU; Tuna (canned) 3.0 oz 16IU; Pre-Vitamin A (b-carotene) Spinach (bubbled) ½ cup 7371IU; Spinach (crude) ½ cup 1880IU; Carrots (crude) 1 medium 2025IU; Carrots (bubbled) ½ cup 19152IU; Papaya (crude) 1 medium 863IU; 

Oranges 1 natural product 240IU; Sweet potatoes (prepared w/skin) 1 medium 24877IU; Sweet potatoes (bubbled w/o skin) 1 medium 27969IU; Cantaloupes 1 cup 5158IU; Parsley ½ cup freeze dried 885IU