The dietary reference intake for dietary fiber is between 21 and 38 grams per day for adults. (livestrong.com)
The scientists who reviewed the vitamin D findings fall heavily into this camp: trials «typically provide the highest level of scientific evidence relevant for dietary reference intake development,» they wrote. (scientificamerican.com)
Long - chain omega - 3 fatty acids: time to establish a dietary reference intake. (blog.bridgeathletic.com)