All you need to know about Vitamin C

All you need to know about Vitamin C

Vitamin C or L-ascorbic acid, or simply ascorbate, is an essential nutrient. Vitamin C is a cofactor in at least eight enzymatic reactions, including several collagen synthesis reactions that, when dysfunctional, cause the most severe symptoms of scurvy.

Physiological Function of Vitamin C

Vitamin C is a powerful water soluble antioxidant for both intra and extra-cellular reactions and is heavily involved in reactions with reduced iron and copper metallothione enzymes.

The synthesis of collagen (proline or lysine hydroxylatlon), carmtine and neurotransmitters (note p1- nephrine and 5-hydroxytryptophan) require vitamin C dependent enzymes.

It has a very important role in wound-healing and in preventing bleeding from capillaries. Ascorbate may also act as an antioxidant against oxidative stress.

Deficiency of Vitamin C

Vitamin C has a short physiological half-life and chemical instability and therefore it is considered to be the most problematic nutrients to assess in terms of its sufficiency in an individual. Vitamin C deficiency occurs if their is no optimal intake on a regular basis.

Health concerns due to Vitamin C deficiency

  • Scurvy
  • Skin hemorrhages
  • Petechiae. gum changes, hyperkeratosis and arthralgia

Assessment of Vitamin C Status

Serum Vitamin C markers

Supplementation of Vitamin C

Adult Repletion: 1000 to 5000 mg/d

Best or Bio-available or Active form of Vitamin C

Active form: Ascorbic acid.

However we recommend using ascorbate form which is the buffered Vitamin C, it is benign on stomach and can be consumed in sufficient dosage and is suitable for children.

Dietary sources of Vitamin C

Dietary sources of Vitamin C are:

  • Citrus fruits
  • Tomatoes and tomato juice
  • Potatoes
  • Red and green peppers
  • Kiwifruit
  • Broccoli
  • Strawberries
  • Brussels sprouts
  • Cantaloupe
AUTHOR Anupama Singh

I am the founder of Vitsupp and have a bachelors in engineering. My family suffers from every lifestyle disease you can think of. Heart disease, obesity, high blood pressure, diabetes, hypothyroidism . . you name it and some one in my family has it. Trying to save myself and my family from our genetic disposition, I learnt much about nutrition, exercise and lifestyle diseases. Certificate in "Diabetes – The Essential Facts" by University of Copenhagen

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