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File: Nutrition For Older Adults Pdf 134419 | Nutrition Needs Vitamin B12 Final 18
nutrition needs for older adults vitamin b 12 commissioned by the national resource center on nutrition aging written by katie dodd ms rdn csg ld fand 0 introduction 2 0 ...

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      Nutrition Needs for Older Adults: Vitamin B-12
              Commissioned by the National Resource Center on Nutrition & Aging; Written by: Katie Dodd, MS, RDN, CSG, LD, FAND
       0      Introduction
       2
       0      Vitamin B-12 is a water-soluble vitamin that plays an important role in the health of older adults. Vitamin 
       , 2
       4                                                                                           1
       y 1    B-12 is involved in making DNA, red blood cell formation, and proper nerve function. While more research 
       r      is needed, low vitamin B-12 levels have also been linked to increased bone fracture risk2.
       a
       u
       r
       b      Vitamin B-12 is primarily found in animal products. Older adults who consume very little to no animal 
       e
       d F    products are at an increased risk of vitamin B-12 deficiency1. It is important that this group of individuals 
       e
       t      be mindful to eat foods fortified with vitamin B-12 or take a supplement. 
       a
       d
       p
       U
              How Much is Needed?
              Older adults do not require more vitamin B-12 than          Recommended Dietary Allowances (RDA) 
              younger adults, but absorption of vitamin B-12 may                       for Vitamin B-121:
              decrease with age. 
              The RDA is based on an assumption that 50% of                 Life Stage
              vitamin B-12 is absorbed in the body. However,                  Group              Men and Women
              approximately 10-30% of older adults are unable to 
              absorb vitamin B-12 through food sources. Therefore,           14+ years          2.4 micrograms (mcg)
              it is recommended that older adults get at least 
              half  of  their  vitamin  B-12  through  fortified  foods  or 
                           1
              supplements.
              It’s important to get the right amount of vitamin B-12. Too little can cause anemia, fatigue, gastrointestinal 
              issues, constipation, unintended weight loss, neurological changes, confusion, and soreness of the mouth 
                                                                                                         1
              or tongue. If left untreated, vitamin B-12 deficiency can cause permanent nerve damage. 
              While there is significant risk of vitamin B-12 deficiency with low intake, it is very unlikely that vitamin B-12 
              from food and supplementation can cause toxicity. For this reason, there is no set tolerable upper limit 
              level (UL) for vitamin B-12. 
              Food Sources of Vitamin B-12
              Vitamin B-12 is primarily found in seafood, meat, dairy, eggs, and foods fortified with vitamin B-12.
                                Food source                  Amount per serving              mcg per serving
                  3:                Clams                          3 ounces                         84.1
                   2
                   1              Beef liver                       3 ounces                         70.7
                   -
                   n B     Fortified nutritional yeast             1 serving                        6.0
                   i
                   m               Salmon                          3 ounces                         4.8
                   a
                   t
                   i                 Tuna                          3 ounces                         2.5
                   f V
                   s o          Fortified cereal                   1 serving                        1.5
                   e                 Beef                          3 ounces                          1.4
                   c
                   r
                   ou            Milk (low-fat)                    8 ounces                         1.2
                   d S          Yogurt (low-fat)                   8 ounces                          1.1
                   o
                   o                 Egg                            1 large                         0.6
                   F
                                Chicken breast                     3 ounces                         0.3
                1
                                   Some older adults are not able to get adequate vitamin B-12 through food alone. Supplementation may 
                                   be needed through a multivitamin or single-vitamin supplement. It is important that older adults work 
                                   with their health care team to determine whether supplementation is needed. 
                                   Strategies to Help Older Adults Optimize Intake Daily 
                                   The following strategies can help older adults optimize their intake of vitamin B-12:
                                   When Shopping:
                                                •  Purchase foods naturally high in vitamin B-12, like seafood and meat
                                                •  Look for food items fortified with vitamin B-12, like nutritional yeast and cereals
                                                •  Read food labels for vitamin B-12 content
                                   During Meal Preparation:
                                                •  Breakfast is a good opportunity for high vitamin B-12 foods — from eggs, to cereal, to milk
                                                •  Lunch and dinner are good opportunities for high vitamin B-12 foods, like meat 
                                                •  Include seafood at least two days of the week in menu planning
                                   At the Table:
                                                •  Offer beverages with vitamin B-12, such as milk or milk alternatives fortified with vitamin B-12 
                                                        (read labels for specific brands that fortify with vitamin B-12) 
                                                •  Provide foods and snacks fortified with vitamin B-12
                                             TAKE HOME MESSAGE: 
                                             Vitamin B-12 is an important nutrient for older adults. Many older 
                                             adults are unable to absorb vitamin B-12 from food sources. 
                                             Additionally, older adults who consume little to no animal 
                                             products are at an increased risk for deficiency. Consuming 
                                             foods fortified with vitamin B-12 is important for older adults.
                                      REFERENCES
                                        1.   Institute of Medicine, Food and Nutrition Board. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, 
                                             Biotin, and Choline. Washington, DC: National Academy Press, 1998. https://www.nap.edu/read/6015/chapter/1. Accessed November 19, 2019.
                                       2.  ter Borg S, Verlaan S, Hemsworth J, Mijnarends DM, Schols JM, Luiking YC, & de Groot LC. Micronutrient intakes and potential inadequacies of community-
                                             dwelling older adults: a systematic review. British Journal of Nutrition. 2015 Apr; 113(8):1195-206.
                                       3.  FoodData Central. U.S. Department of Agriculture. https://fdc.nal.usda.gov/. Accessed November 19, 2019.
                                       2
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