The National Agricultural Workers Survey. 1  Farm workers were young: their average age was 33, and half were younger than 31. 2  Seventy-nine percent were men. 3  Fifty-seven percent were living apart from all nuclear family members when they were interviewed.
The amount of vitamin A you need depends on your age and reproductive status. Recommended intakes for vitamin A for people aged 14 years and older range between 700 and 900 micrograms (mcg) of retinol activity equivalents (RAE) per day.Recommended intakes for women who are nursing range between 1,200 and 1,300 RAE.ecommended intakes for vitamin A for people aged 14 years and older range between 700 and 900 micrograms (mcg) of retinol activity equivalents (RAE) per day. Recommended intakes for women who are nursing range between 1,200 and 1,300 RAE.
I take 3,000 IU daily, but I skip it in the summer. I feel markedly better after I've taken about 1,000 IU consistently for over a week. Tolerable upper intake limit (that is, max to safely take every day) is listed on wikipedia at 4,000 IU for adults. Wikipedia tells me that Vitamin D is fat-soluble, not water-soluble.