Presently, there is no indication that older adults have an increased requirement for biotin. Linus Pauling Institute Recommendations Vitamins Biotin ![]() #Vitamin B 12 intake should be from supplements or fortified foods due to the age-related increase in malabsorptionĪbbreviations: μg=microgram mg=milligram g=gram IU=International Unit RDA=Recommended Dietary Allowance AI=Adequate Intake *NE, niacin equivalent: 1 mg NE = 60 mg of tryptophan = 1 mg niacin Micronutrient Requirements for Older Adults (>50 years)įood and Nutrition Board Recommendations (RDA except where otherwise noted)ġ00-400 μg/day of crystalline vitamin B 12 ![]()
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