Vitamin B12 is considered predominantly in food of animal origin. However, other members of the Vitamin B group - Vitamin B 1, - Vitamin B 2, - Vitamin B 3, - Vitamin B 5, - Vitamin B 6, and - Vitamin B 8 are also found in food of animal origin. Food sources for these vitamins are detailed in the related links.
Vitamin A is readily available from numerous food sources like squash, carrots, spinach, etc.
no there is not a vitamin f. Essential fatty acids were at one time called vitamin F though they no longer fit the description of a vitamin
Sweet potatoes, carrots, mangoes, spinach, cantaloupe, dried apricots and egg yolks are all rich in vitamin A.
Vitamin C
Vitamins are found in mostly all food sources but, most don't contain all the vitamins.
Yes, the vitamin is called vitamin f. F for fat.
The combination of linoleic acid and alpha linoleic acid (essential fatty acids) is often refered to as Vitamin F
The kind of food does the body not store vitamin C found fruits and vegetables
Food sources don't pose Vitamin A toxicity issues. While too much vitamin A from supplements can be dangerous, beta-carotene (the natural form found in foods) doesn't pose such a risk. Additionally, the relative amount of Vitamin A found in foods as compared to a concentrated vitamin tablet is much, much less.
Glucomannan is a water soluble fiber that is found in many dietary supplements. it can be found at any vitamin or health food store, or online at places like Vitacost or Vitamin World.
Vitamin K is not found in food but rather is produced by the micro-fauna that inhabits your intestines. Studies on Vitamin K were first done by destroying the micro-fauna in the guts of animals and observing the symptoms they developed - like hemophilia.