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Vitamin A
The
Recommended Daily Allowance (RDA) is 1000 micrograms (mg)
for men, and 800 mg for women. This vitamin promotes better
vision, supports the immune system and aids
in the growth and maintenance of bones, cells
and skin. But beware of overdosing; too much of vitamin
A (six or seven times the RDA) can cause dry skin, headaches,
joint pain and insomnia.
