Recall that the recommended level is often like the minimum wage - just enough to live on
Notice how some items have decreased with time and others have increased with time
RDA often assumes a healthy Caucasian, of normal weight, who gets exercise, does not smoke, does not have Cancer, eats good food, etc. etc.
CLICK HERE for probability of vitamin D deficiency for other people
See also Vitamin D Life
See also web
- Which Nutrition Chart Should You Rely Upon: The RDA, RDI, AI, EAR or DV? Sept 2011
- US RDA/RDI and UL for virtually ALL nutrients Consumerlab
Does not seem to have a single item for humans which is based on weight,
vs Veterinarians base virtually all supplementation on weight or amount of food eaten