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Hearing loss is linked to omega-3 deficiency

Hearing loss is linked to omega-3 deficiencyAs we grow older, our risk of hearing loss increases, and our diet plays a major role. Apparently, there is a link between hearing loss and being deficient in an omega-3 fatty acid that we get from oily fish and fish oil supplements. This was seen in a study that was presented in Boston at a meeting for the American Society for Nutrition – an American company for professional researchers and practitioners in nutrition. The scientists mention that increased intake of this particular omega-3 fatty acid from the diet or from supplements may help prevent hearing loss.

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Overview of vitamins, minerals, and essential fatty acids

 

Overview of vitamins, minerals, and essential fatty acids

Vitamins, minerals, omega-3 and omega-6 fatty acids, and Q10 are nutrients that we need in certain quantities in order to support vital body functions.
Nutritional supplements containing vitamins and minerals must be labeled in accordance with the reference values.

This overview serves as general information about the different vitamins, minerals, and essential fatty acids and how they work.

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THE VITAMIN AND MINERAL GUIDE

the Vitamin and Mineral Guide

Vitamin B3 (niacin)

Vitamin B3 (niacin)Vitamin B3 is water-soluble and because it does not get stored in the body we depend on regular intake of the nutrient. Niacin is a common term for nicotinic acid and nicotinamide. The body's metabolism is able to synthesise part of its required niacin from vitamin B6 and tryptophan, an amino acid which is primarily found in meat. Vitamin B3 is destroyed by heating.

Functions and importance for

  • Energy metabolism (turnover of carbohydrate, fat, and protein)
  • Energy levels
  • Vasodilation
  • Circulation and cholesterol balance
  • Nervous system
  • Mental balance
  • Skin and mucous membranes
  • Reduction of fatigue and exhaustion

Deficiencies and poor utilisation may be caused by

  • Overconsumption of alcohol
  • Unbalanced diets and long-term weigh loss programmes
  • Liver ailments
  • Old age
  • Hartnup disease (rare and hereditary)
  • Carcinoid syndrome (rare cancer disease)
  • Long-term use of diuretics and medical drugs such as

Levodopa against Parkinson's disease

Busulfan and mercaptopurine against cancer

Isoniazid against tuberculosis

Deficiency symptoms

Minor deficiency

  • Fatigue
  • Digestive problems
  • Nausea and vomiting

Major deficiency

  • Pellagra (characterised by the three Ds):
  • Diarrhea
  • Dermatitis - skin infection with redness, blisters, and pustules
  • Dementia - mental impairment including apathy, headaches, memory loss, and depression.

Left untreated, pellagra may lead to extreme weight loss, heart failure, and eventually death.

Pellagra is particularly common in countries where the population consumes unbalanced diets (mainly corn) and the body has difficulty with absorbing the vitamin. Lack of the amino acid tryptophan (mainly from animal protein) and poisoning caused by mycotoxins that grow on corn that has not dried properly increase the risk of pellagra.

Sources

Mainly foods that are rich in protein, for instance meat, fish, poultry, nuts, kernels, and sprouts. Other sources are eggs, whole-grain products, and fruit.

Content of vitamin B3 (niacin) in mg per 100 grams

Calf liver 20
Chicken 12
Salmon 10
Pumpkin seeds 9
Oats 3


Recommended daily allowance (RDA)

Adults: 11 years of age and older: 16 mg
Pregnancy and lactation: 17 and 19 mg
Children: 1-10 years of age: 9 mg

Important information

The declaration often lists NE or niacin equivalents instead of mg (milligram). This is because the amino acid tryptophan can also get turned into niacin in the body. The tryptophan content in a product is therefore converted in such a way that 60 mg of tryptophan equals 1 mg of niacin. NE represents the combined amount of niacin and converted tryptophan.

Increased need

  • The above mentioned deficiency symptoms and with use of medical drugs
  • Pregnancy and lactation
  • Overconsumption of alcohol
  • Unbalanced diets and long-term weight loss programmes
  • Increased energy turnover

Important

Supplements of vitamin B3 should normally be taken together with other B vitamins and not together with antacids.

Precautions

Pregnant women should not ingest large doses of niacin, as it may harm the fetus.

Overdosing - side effect (very large doses)

  • "Niacin flush": Transient itching and skin redness caused by vasodilation (only nicotinic acid and nicotinamide)
  • Very large doses (e.g. 3,000 - 6,000 mg) may drain the body's sugar stores and lower the body's fat content.
  • Drop in blood pressure because of vasodilation.
  • Liver damage and stomach ulcer
  • Created on .

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