Vitamins A, B and Iron: Benefits and dosage


• Benefits: Data from some studies are contradictory, but conventional wisdom is that a regular intake of B6, B12 and folic acid (B5) may reduce the risk of cardiovascular disease and possible stroke.
In addition, if older people show symptoms of dementia, the levels of vitamin B12 in blood must be examined . Although in rare cases the deficit may be the reason for this condition.
• Why you need ...... more: Only 10-20% of people over 50 years to obtain the necessary amount of vitamin B12 - age production of hydrochloric acid in the stomach decreases, but it is necessary for absorption of B12.
• Proper dosage: 400 mcg folic acid, vitamin B6 1.5 mg and 2.4 mg vitamin B12.

Additives to avoid
Iron
• Why you need less: Reduced use of iron in the period after menopause are attributed to the cessation of the cycle - a woman no longer
lose iron during menstruation. Therefore, the recommended daily intake for women over the age of 50 is 8 mg, and almost all of it furnished her with food. Good sources of iron are meat, eggs, fish, dried fruits and legumes.
• Excessive intake without risks: The additional consumption of iron can cause the occurrence of side effects such as nausea, fatigue and shortness of breath. Even there is some evidence that excessive intake of this mineral increases the risk of cardiovascular disease.

Vitamin A
• Why you need less: vitamin A needs for after 50 years of age are not high and in most cases the required amount is obtained from food. Many vegetables contain beta-carotene which the body turns into vitamin A. Therefore, a cup of carrots, broccoli, cauliflower or tomatoes is ample to fill daily needs.
• Excessive intake without risks: The best source of vitamin A is beta-carotene in vegetables rather than tablets. Recent studies conclude that increased intake of vitamin A may increase the risk of cancer in the elderly, especially in smokers. Maximum daily dose is 10 000 IU. (A)

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