Colorado State University's Foodnut Links:

Fat-Soluble Vitamins
Diet and hypertension
Dietary Guidelines for Americans
Sodium in the diet
Potassium and Health
DASHing to Lower Blood Pressure

Oregon State University's LPI Links:

Potassium - 4700 mg per day
Magnesium - 350/420 mg per day
Calcium - 1200 mg per day
- and -
Vitamin and mineral dietary intake recommendations
for individuals over the age of 50 years