Functions
Which vitamin is essential for reproduction and growth because of its ability to create osteoblasts, keep epithelial tissue healthy, and create mucus to prevent infections?
Vitamin A
Food sources of Vit D include...
cheese, butter, fortified milk, fatty fish, healthy cereals, etc.
Which group of vitamins are more toxic because they are stored in the body?
Fat soluble vitamins
A deficiency of this vitamin is the #1 leading cause of blindness worldwide
Vitamin A
Which vitamins are packed into chylomicrons to be absorbed into the lymph system?
Fat soluble vitamins
One of the strongest antioxidants in nature that helps repair cell membranes, and functions to thin the blood (is found in oils, nuts, and seeds)
Vitamin E
The already active form of vitamin A that is found in liver, fish oil, fortified milk, and eggs
Retinoids
A toxicity of vit E interferes with this vit's role in blood clotting
Vitamin K
Who is at risk for Vit D deficiency?
Adolescents, older adults, exclusively breastfed kids, etc.
What are vitamins readily destroyed by?
Heat, light, oxidation, etc.
Vit C functions as an antioxidant, meaning it does what to free radicals?
Donates or accepts an electron to make FRs stable
The top 3 food sources of thiamin are
Whole grains, enriched grains, and pork
Which vitamin can only be prescribed by doctors because of its toxicity effects of skin flushing, itching, and GI upset?
Niacin
The group(s) of people most at risk for a B12 deficiency are
What is the best way to store oil to preserve Vit E?
In a dark container, or in the cabinet
Which B vitamin functions in many metabolic reactions, the production of hemoglobin, and plays a role in immune and nervous system health?
Pyridoxine (vit B6)
Dairy is the #1 food source of this vitamin in North America
Riboflavin
Which of the B vitamins is harmless in high amounts and is not considered a toxicity?
Biotin (vit B7)
Scurvy, a condition where there is an impaired synthesis of collagen, is linked to which water-soluble vitamin?
Vitamin C
Many vitamins play an important role in the neutralization of free radicals. Another name for these vitamins are ______
Antioxidants
Which B vitamin plays a vital role in both pregnancy and RBC synthesis/formation?
Folate (vit B9)
Which water soluble vitamin is widely found in protein products and whole grains, and is synthesized by tryptophan (an AA)?
Niacin
Taking a supplement of this vitamin can lead to toxicity and mask a B12 deficiency due to their overlapping roles in RBC formation
Folate (vit B9)
A deficiency in this vitamin leads to a condition of inflammation in or around the mouth. Name the condition and the vitamin that causes it
Ariboflavinosis and Riboflavin
What is the difference between provitamins and preformed vitamins?
Provitamins are not yet active when consumed, and preformed vitamins are active when consumed