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2. Vitamin A deficiency - Wikipedia

   en.wikipedia.org/wiki/Vitamin_A_Deficiency

   Although synthetic vitamin A supplementation is a useful and effective treatment for VAD, a 2017 review (updated in 2022) reported that synthetic vitamin A supplementation may not be the best long‐term solution for vitamin A deficiency, but rather food fortification, improved food distribution programs, and crop improvement, such as for ...

3. 'I'm a Longevity Expert, and This Is the One Vitamin People ...

   www.aol.com/im-longevity-expert-one-vitamin...

   Vitamin A supplements top Norman's do-not-fly list for his patients over 50. "Studies have shown that a healthy and diverse diet will get you enough vitamin A, and food sources are the best ...

4. Dietary Guidelines for Americans - Wikipedia

   en.wikipedia.org/wiki/Dietary_Guidelines_for...

   The Dietary Guidelines for Americans (2020–2025) outline four principles for healthy eating habits: Dietary patterns should shift with each stage of life; Enjoy nutrient-rich food and beverages that adhere to one's budget and reflect one's personal preferences and cultural traditions; Meet food group needs and stay within calorie limits

5. Dietary Reference Intake - Wikipedia

   en.wikipedia.org/wiki/Dietary_Reference_Intake

   Recommended Dietary Allowances (RDA), the daily dietary intake level of a nutrient considered sufficient by the Food and Nutrition Board of the Institute of Medicine to meet the requirements of 97.5% of healthy individuals in each life stage and sex group. The definition implies that the intake level would cause a harmful nutrient deficiency in ...

6. Which foods are ‘healthy’? FDA has new requirements for food ...

   www.aol.com/foods-healthy-fda-requirements-food...

   The US Food and Drug Administration has finalized new standards that foods must meet before they can be labeled as “healthy.”. Requirements now include limits on saturated fat, sodium and ...

7. Reference Daily Intake - Wikipedia

   en.wikipedia.org/wiki/Reference_Daily_Intake

   The recommended adequate intake of sodium is 1,500 milligrams (3.9 g salt) per day, and people over 50 need even less." [13] The Daily Value for potassium, 4,700 mg per day, was based on a study of men who were given 14.6 g of sodium chloride per day and treated with potassium supplements until the frequency of salt sensitivity was reduced to 20%.