1.Previous
3.Next

than the EAR (See Calculating the RDA).
* Adequate Intake (AI), where no RDA has been established, but the amount established is somewhat less firmly believed to be adequate for everyone in the demographic group.
* Tolerable upper intake levels (UL), to caution against excessive intake of nutrients (like vitamin A and selenium) that can be harmful in large amounts. This is the highest level of sustained daily nutrient consumption that is

1.Previous
3.Next