Vitamin c for teens
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The Role of Vitamin C in Teen Health
Vitamin C Intake and Plasma Ascorbic Acid Levels in Adolescents
Vitamin C is essential for the growth and development of teenagers. A study investigating the relationship between vitamin C intake and plasma ascorbic acid (AA) concentration in adolescents aged 13-14 years found that average daily vitamin C intakes, calculated over a 7-day period, provided a good estimate of actual intake. However, significant discrepancies were noted in about one-third of the subjects when comparing calculated and analyzed intakes individually. Despite these discrepancies, all plasma AA concentrations were well above levels indicating even a moderate risk of deficiency, suggesting that most adolescents in the study had adequate vitamin C intake .
Vitamin C Supplementation and Glucose Homeostasis in Active Teenagers
A study examining the effects of vitamin C and vitamin E supplementation on blood glucose and insulin levels in active teenagers found no significant differences in fasting blood glucose, serum insulin, or homeostasis model assessment (HOMA) indices between the control and treatment groups. This suggests that vitamin C supplementation may not be essential for glucose homeostasis in active teenagers .
Vitamin C Intake During Menstrual Cycle Phases
Research on vitamin C and iron intake in adolescent girls during different phases of the menstrual cycle revealed that the average daily intake of vitamin C was 77.6 mg. Despite this, an estimated 34% of the adolescents had inadequate vitamin C intake according to the Dietary Reference Intakes (DRI). This indicates a nutritional risk for a significant portion of the population studied, highlighting the need for broader dietary studies and potential interventions .
Vitamin and Mineral Supplement Use Among Korean Teenagers
A survey of 972 Korean teenagers revealed that 31% used vitamin and mineral supplements, with vitamin C being one of the most frequently consumed. Supplement users generally had a more positive view of the health benefits of supplements. However, when combining nutrient intakes from both diet and supplements, intakes of niacin, vitamin C, and iron often exceeded recommended upper-intake levels, suggesting a potential risk of overconsumption .
Impact of Vitamin C on Hemoglobin and Erythrocyte Indices in Anemic Teenage Girls
A study on the effect of iron and vitamin C supplementation in anemic teenage girls showed significant improvements in hemoglobin levels and erythrocyte indices after supplementation. This suggests that vitamin C, in combination with iron, can effectively reduce anemia and improve overall blood health in teenage girls .
Vitamin C and Upper Respiratory Infections in Adolescent Swimmers
A randomized trial investigating the effect of vitamin C on upper respiratory infections (URIs) in adolescent swimmers found no significant impact on the incidence of URIs. However, vitamin C supplementation did reduce the duration and severity of URIs in male swimmers, but not in females. This indicates a potential gender-specific benefit of vitamin C in reducing the severity of respiratory infections in physically active adolescents .
Modeling Nutrient Intakes with Updated Daily Values
A study modeling the impact of updated Daily Values (DVs) on nutrient intake among children and teens in the United States found that the revised DVs led to increased intakes of vitamins C and D. However, the percentage of teens with intakes below the Estimated Average Requirement (EAR) for vitamin C decreased, indicating that the updated DVs may help mitigate vitamin C deficiency in this age group .
Conclusion
Vitamin C plays a crucial role in the health and development of teenagers. While most adolescents appear to have adequate vitamin C intake, certain groups, such as anemic teenage girls and those with inadequate dietary intake, may benefit from supplementation. Additionally, vitamin C may help reduce the severity of respiratory infections in male athletes. However, caution is needed to avoid overconsumption, particularly when combining dietary and supplemental sources. Further research and tailored dietary interventions are essential to ensure optimal vitamin C intake among teenagers.
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