Vitamin B1 Deficiency
The most important vitamin B1 function is its role in carbohydrate cycle regulation (the more carbohydrate consumption, the more vitamin B1 needs). This function makes vitamin B1 significant for muscles and nerve system.
The vitamin B1 deficiency symptoms are:
- General weakness
- decreased working capacity
- Headache
- Disability to concentrate
- tingle limbs
- Heart beating at physical work
At very extreme shortage bery-bery disease develops, which leads to neuritis, polyneuritis and neuralgias. The guilt to so called “hidden” vitamin B1 deficiency is of alcohol, black tea and coffee, also regular overeating with chocolates and other sweets.
Vitamin B1 or thiamin was a first vitamin to be discovered. The name comes from its chemical structure. The daily dose is aprox 1, 5 mg. It is recommended to be consumed 0,5 mg. vitamin B1 at every 1000 kcal. Eaten.
Vitamin A deficiency - How to avoid it?
Vitamin A is very important for the skin elasticity, bones, teeth and normal sexual functions. The same as vitamin C and vitamin E, vitamin A acts as an antioxidant (destroys harmful free radicals). Vitamin A has a preventive role against cancer and atherosclerosis. It promotes the rodopsin formation, which is very important substance for the good vision, especially for the so called “night vision”.
Vitamin A strengthens the immune system and protects all the tissues form different infections. Ninety present of it deposits in the liver. It is a fat-soluble vitamin important for our body.
Vitamin A has two forms: retinol and retinoid (beta-carotene). Beta-carotene promotes the formation of vitamin A in our body (precursor of vitamin A) and contains in yellow vegetables such as pumpkin and carrots. The active type of vitamin A is found in fish oil, in eggs, liver and milk. Also you can find it in every drug store as a preparation.
Vitamin A is found in every multivitamin preparations (MultiTabs, Supradin / Supradyn , Supravit, etc.), and also like a single preparation in a tablet form. For body-builders especially is produced a unique preparations containing vitamins and minerals.
On the contrary, the beta-carotene is not toxic in any doses, because the body uses it to produce vitamin A only when it needs it. So you can accentuate to beta-carotene consumption.
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