Vit C Flashcards
What type of vitamin is Vitamin C?
Vitamin C is a water soluble vitamin.
What are the functions of Vitamin C?
It is an antioxidant and enzyme cosubstrate.
What factors influence Vitamin C content?
Vitamin C content is influenced by season, transport, shelf life, storage, cooking and prep methods, cutting and heating, exposure to copper and iron, and it is leached into water.
How is Vitamin C excreted from the body?
It is excreted via the kidneys and travels freely in water filled spaces in the body.
How is Vitamin C obtained?
Regular doses are needed though it is easily obtainable through fruits and veggies.
Where is Vitamin C mostly absorbed?
It is mostly absorbed through the small intestine.
What happens to Vitamin C absorption with increased intake?
Absorption decreases with an increased intake and high intracellular glucose.
What is the reduced form of Vitamin C?
The reduced form is Ascorbic or ascorbate acid, which may be irritating to the gut.
What is the oxidized form of Vitamin C?
The oxidized form is Dehydroascorbic acid.
What is the sodium content in sodium ascorbate?
Sodium ascorbate contains 111 mg sodium.
What is the calcium content in calcium ascorbate?
Calcium ascorbate contains 90-110 mg calcium.
What is the therapeutic range of Vitamin C for a healthy person?
The therapeutic range is 250 - 10000 mg/day.
What Vitamin C dosage is recommended for the common cold?
The common cold requires 6000 mg - 8000 mg/day.
What Vitamin C dosage is recommended for stress?
Stress requires 3000 mg/day.
What Vitamin C dosage is recommended for exercise induced asthma?
Exercise induced asthma requires 500 - 2000 mg/day.
What Vitamin C dosage is recommended for heart disease prevention?
Heart disease prevention needs 400 mg/day.
What is the minimum Vitamin C dosage for hypertension?
Hypertension needs 500 mg/day for a minimum of 8 weeks.
What Vitamin C dosage is needed for serum LDL reduction?
Serum LDL reduction needs 500 - 2000 mg/week.
What Vitamin C dosage is needed for serum uric acid reduction?
Serum uric acid reduction needs 500 mg per week.
What is one function of Vitamin C related to collagen?
Vitamin C is a cofactor for enzymes involved in the metabolism of glycine, proline, and hydroxyproline, aiding in the production of collagen.
How does Vitamin C protect cells?
As an antioxidant, it protects cells and blood against oxidative damage.
How does Vitamin C assist with iron absorption?
It assists with iron absorption by enabling hydroxylation of carnitine, needed for the transfer of long chain fatty acids across the inner mitochondrial membrane.
What role does Vitamin C play in adrenal glands?
The adrenal glands contain the highest Vitamin C used for catecholamine synthesis.
What is the role of Vitamin C in leukocytes?
Increased Vitamin C is present in leukocytes and neutrophils for microbe destruction.
What is Vitamin C required for in neurotransmitter production?
Vitamin C is required for the conversion of tryptophan to serotonin and phenylalanine to tyrosine for the production of dopamine, norepinephrine, and epinephrine.
What factors increase the demand for Vitamin C?
Factors include stress and disease, increased oxidative stress, substance abuse, life stage (elderly, pregnancy, lactation, children), and athletes.
What are signs of Vitamin C deficiency?
Signs include scurvy, malaise, fatigue, petechiae, anemia, bone fragility, joint pain, infections, bruising easily, muscle pain, and bleeding gums.
What are specific signs of scurvy?
Scurvy signs include impaired wound healing, gingivitis, tooth loss, and bone breakages.
What is the IV Vitamin C dosage range?
IV Vitamin C dose is 0.5 gm - 3 gm per kg weight.
