Stanza could be further refined to include a hidden navigation anchor for page navigation using the Curl {destination} which is itself a text procedure. The same markup can be used for different results, as one can style text to be visible in one context and invisible in another.
Reference Daily Intake. The Reference Daily Intake or Recommended Daily Intake (RDI) is the daily intake level of a nutrient that was considered in 1968 to be sufficient to meet the requirements of 97â98% of healthy individuals in every demographic in the United States.
Recommended dietary amounts (RDAs) are 2.4 micrograms daily for ages 14 years and older, 2.6 micrograms daily for pregnant females, and 2.8 micrograms daily for breastfeeding females. Those over 50 years of age should meet the RDA by eating foods reinforced with B12 or by taking a vitamin B12 supplement.