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Water-soluble vitamins: bases for suggested upper limits for infant formulas
1Department of Biochemistry, School of Medicine, Emory University, Atlanta, GA 30322.
The Journal of Nutrition
|December 1, 1989
Summary
Water-soluble vitamins have a wide safety margin. Upper limits in infant formulas could be set at five times the Recommended Dietary Allowance to ensure safety.
Area of Science:
- Nutrition Science
- Public Health
Background:
- Water-soluble vitamins are essential micronutrients.
- Excessive intake of certain vitamins can lead to adverse effects.
- Establishing safe intake levels, especially for vulnerable populations like infants, is crucial.
Purpose of the Study:
- To evaluate the safety margin of water-soluble vitamins.
- To propose evidence-based upper intake limits for water-soluble vitamins in infant formulas.
Main Methods:
- Review of existing literature on water-soluble vitamin toxicity and recommended intakes.
- Analysis of the ratio between established safe levels and recommended dietary allowances.
Main Results:
- A significant safety margin exists between recommended and potentially harmful intakes for most water-soluble vitamins.
- Current recommended intakes are well below levels associated with adverse effects.
Conclusions:
- Upper intake limits for water-soluble vitamins in infant formulas can be safely set at five times the Recommended Dietary Allowance.
- This provides a robust safety buffer for infants receiving formula.
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