Level C Unit 1-3 Review Answers Vocabulary Comprehension
Whether in the class of a fizzy drink or flavored lozenges, cold and flu preventative supplements almost always highlight vitamin C as one of their key ingredients. So, what'due south so magical about vitamin C? As well known as ascorbic acid, vitamin C is critical to living healthily. Since the human body cannot spontaneously generate this food, vitamin C must instead be absorbed from exterior sources, such as vitamin supplements or foods that are naturally rich in it.
What Does Vitamin C Do?
Commonly found in common cold and flu preventative supplements, vitamin C strengthens and speeds upward immune organization functionality. Though research does non bespeak that vitamin C intake lone can prevent the onset of cold or flu, acceptable daily intake may shorten the duration of an infection or lessen the severity of symptoms.
Vitamin C is crucial for the maintenance of well existence. For instance, it plays a role in wound healing and helps maintain many essential body tissues. It also acts every bit a stiff antioxidant and tin can repair damage from free radicals, which are linked to aging effects, and disease vulnerability. Additionally, vitamin C can too prevent anemia, since it helps the body increase absorption of dietary iron, another vital mineral that the torso cannot spontaneously create.
Foods that comprise high concentrations of vitamin C have been linked with a lower chance of cardiovascular affliction, like middle attack and stroke. Vitamin C tin can also increase levels of nitric oxide, a compound that widens blood vessels and, in turn, lowers claret pressure level. In improver, regular intake of vitamin C, along with other vitamins, has been linked to a decreased risk for developing age-related cataracts, a leading crusade of visual damage in the United states.
Common Sources of Vitamin C
Vitamin C tin can be easily obtained through the many unlike foods, including:
- Citrus fruits and juices (orangish, grapefruit, lemon, lime and tangerine)
- Berries
- Melons
- Mangoes
- Kiwi
- Love apple
- Broccoli
- Red peppers
- Spinach
- Squash
- Potatoes
Cooking these foods may result in the loss of some of the vitamin content, and so it is ideal to ingest them raw, either whole or juiced. Nowadays, in that location are also numerous packaged nutrient products, similar cereals, that take been enriched and fortified with vitamin C, so that the food can be hands obtained.
Vitamin C may as well be labeled as "L-ascorbic acrid" in supplement class, and most over-the-counter multivitamins comprise the recommended daily amount of the vitamin. While information technology is a expert source when an individual is in need of a vitamin C boost, supplements are not meant to replace a nutrition rich in naturally derived vitamin C.
What Happens When You Have Too Much — or Too Little — Vitamin C?
Vitamin C is a water-soluble vitamin that tin can exist easily flushed out of the body via urination when information technology is not needed. Therefore, if the main source of vitamin C is from naturally occurring foods, it is nearly-impossible for excess vitamin C to produce side effects. However, taking excessive full-bodied vitamin C supplements may lead to diarrhea or tummy upset.
Since vitamin C-rich foods are and then readily available present, symptoms of inadequate vitamin C intake are also rare in the U.s.. All the same, malnourished individuals tin can experience symptoms of vitamin C deficiency over time, including:
- Weakness
- Fatigue
- Anemia
- Easy bruising
- Joint pain
- Skin breakdown
- Weakened tooth enamel
- Gum inflammation
Astringent vitamin C deficiency is referred to equally scurvy. Scurvy can be easily treated with increased dietary or supplemental vitamin C. Since vitamin C is crucial in the detoxification of the body, a lack of vitamin C tin can compromise the allowed organisation and make an private more susceptible to diseases and infections. Individuals with insufficient vitamin C may find that it takes longer than usual to recover from a cold or a concrete wound.
Daily Dosage Recommendations:
The daily dosage recommendation for vitamin C is different for anybody, depending on factors such as gender, age, lifestyle and current health status. The recommended daily dosage for vitamin C is at least 75 mg daily for women and 90 mg for men. Since people who are pregnant, chest feeding, smoking or using oral contraceptives have a lower blood level of vitamin C than others, larger doses of vitamin C may be needed to achieve optimal results in these individuals. Those who accept prior or current medical weather condition may also require bigger or smaller dosage levels, as recommended by their healthcare providers.
Resource Links:
- "Vitamin C" via MedlinePlus
- "Vitamin C and Infections" via MDPI
- "Actress Dose of Vitamin C Based on a Daily Supplementation Shortens the Cold: A Meta-Analysis of 9 Randomized Controlled Trials" via Hindawi, BioMed Research International
- "Vitamin C" via National Institutes of Health
- "Scurvy" via U.S. Department of Wellness & Human Services, National Institutes of Health
- "Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies" via The American Journal of Clinical Nutrition
- "Dietary vitamin and carotenoid intake and gamble of historic period-related cataract" via The American Journal of Clinical Nutrition
- "Cardiovascular System" via Department of Anatomy, Seoul National University Higher of Medicine (via Springer)
Source: https://www.symptomfind.com/nutrition-supplements/vitamin-c-everything-you-need-to-know?utm_content=params%3Ao%3D740013%26ad%3DdirN%26qo%3DserpIndex
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