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Determination of vitamin B3

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Niacin (vitamin B3, or nicotinamide, or nicotinic acid, or after the systematic name pyridine-3-carboxylic acid) is a vitamin from group of B vitamins. It is also called vitamin PP, from English pellagra preventer, "pellagra forewarning ".


Niacin is vital for our body to be healthy for a longer period of time . It is also a good adjuvant against aging and the appearance of signs of aging and helps the genetic processes of cells in the body. Regulates blood sugar levels and fights cholesterol, Alzheimer's disease.

The presence of niacin – symptoms

The lack of niacin can manifest itself as follows:

  • Gastrointestinal disorders: diarrhea, nausea, vomiting, glossitis, enteritis, stomatitis
  • Skin disorders: dermatitis, rough skin, painful erythema
  • Nervous disorders: insomnia, depression, anxiety, memory impairment, sensory impairment, dementia, headaches

The states of niacin deficiency are manifested by pellagra. These may be due to:

  • food deficiency of nicotinic acid (primary pellagra)
  • metabolic disorders, which can lead to preventing the formation of appropriate coenzymes
  • excessive urinary loss of nicotinic acid (secondary pellagra?)



According to EU Regulation 1169 RDA which is ethical on food is 16 mg niacin per day.


Niacin sources

Sources rich in vitaminB3 include

  • Meat: chicken breast, turkey breast, beef.
  • milk
  • Fish: salmon, tuna
  • Vegetables: lentils, bulgur, white rice, broccoli, tomatoes, cherry tomatoes, sweet potato
  • Grains
  • Brewer's yeast
  • Other: pumpkin seeds, soy milk, white bread, bananas, yogurt, peanuts



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Tatiana Onita 18.01.2021
Tatiana Onita Fast results, good quality consultancy! Recommend!
bujor coca 06.01.2021
Excellent quality / price ratio! Congratulations also for the promotions that you organize periodically!
George D. 06.01.2021
Super professionals! Fast and correct!

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