If you think you might be eating too little (or too much) of a particular nutrient, type it into the ... and vitamin D is below the recommended daily intake in every age group.

Medically reviewed by Sohaib Imtiaz, MD Magnesium L-threonate is a supplement containing the L-threonate form of magnesium. A ...

The amount of protein you need daily depends on your ... according to the Recommended Dietary Allowance for protein. You can also use the USDA's calculator, which will give you that number ...