Vitamins are among the most important nutrients required by the human body. They assist in numerous bodily functions, from producing energy to aiding brain function. Their cruciality to the human body is the reason behind the serious health complications that vitamin deficiencies create.
Although many fail to realize the importance of vitamins, its impact on health makes it important to address all the key components related to vitamins. The key components include the consideration of what vitamins do, what the consequences of their deficiency are, and how you can maintain vitamin content.
The Key Role of Vitamins
Vitamins are essential nutrients that aid in carrying out crucial functions in the human body. They are crucial in the function of cells, human growth and development. Among the 13 essential vitamins, the 4 that are more commonly deficient and heavily impact health are vitamin A, D, B12 and C. These 4 vitamins each carry out different functions but are all equally crucial to us.
The Role of the 4 Vitamins:
- Vitamin A - Vitamin A is crucial in maintaining the health of eyes, immunity and reproduction. It is especially critical for maintaining the health of the retina, which conserves vision. Along with vision, its importance to cellular development and immunity makes vitamin A critical for human health.
- Vitamin D - Vitamin D acts as a hormone and is primarily needed for absorption of calcium and phosphate, which are used to keep bones, teeth and muscles healthy. This nutrient is often referred to as the ‘sunshine vitamin’ as it is produced through exposure to the sun.
- Vitamin B12 - Vitamin B12, is one of the 9 B vitamins and assists in metabolism. Additionally, it is also essential in the creation of red blood cells and the maintenance of the nervous system. Unlike Vitamin D, the body cannot produce it and requires a specific diet to maintain B12 levels.
- Vitamin C - Vitamin C, also known as ascorbic acid is an antioxidant which promotes healthy gums and teeth. Furthermore, vitamin C is also crucial to maintain healthy tissue in the human body, absorb iron and repair skin to heal wounds.
Without the necessary vitamins, many of the body’s systems will struggle to effectively function. Their effect is what makes vitamins vital, and why there are numerous health concerns associated with their deficiency.
Consequences Related to Deficiencies
When the human body does not receive the appropriate dosage of vitamins, deficiencies develop. These deficiencies go on to affect the physical and mental well being of the individual. The consequences of deficiencies vary based on the vitamin, but they all can significantly impact your life.
Short and Long-Term Consequences:
- Vitamin A Deficiency: Short-Term: Lack of vision in low light areas is one of the earliest signs, along with severe diarrhea and dermal issues. Long-Term: Can lead to dry eyes and blindness. Additionally prone to systems infections and growth failure.
- Vitamin D Deficiency: Short-Term: Muscle weakness or pain, fatigue and mood fluctuations. More likely to contract infection with slow recovery. Long-Term: Severe bone diseases, limited bone growth for children and the softening of bone for adults.
- Vitamin B12 Deficiency: Short-Term: Anemia, which causes weakness and fatigue or nausea, vomiting and diarrhea. Long-Term: Degeneration of your spine and memory loss. For pregnant individuals, a deficiency can cause birth defects.
- Vitamin C Deficiency: Short-Term: Weakness or fatigue, susceptibility to infections and aches in muscles. Long-Term: Likely to cause skin hemorrhages, swollen gums, anemia and severe pain in the bones and joints.
Vitamin deficiencies range from mild inconveniences to serious health conditions. However, there are many simple ways that you can increase your source of vitamins to reduce susceptibility to major health concerns.
Maintaining Vitamin Content
Although vitamin deficiencies are common, most of them can be prevented from changes to diets and lifestyles. Maintaining healthy vitamin levels is a key part of supporting your overall health and reducing the risk of an illness due to deficiencies.
- Increasing Vitamin A Intake: Good sources of vitamin A or retinol are from cheese, eggs, oily fish milk and yogurt. Additionally, you can consume foods that are good sources of beta-carotene, which your body converts to retinol. Most yellow, red and green vegetables, along with yellow fruit are good sources of beta-carotene.
- Increasing Vitamin D Intake: Good sources of vitamin D include oily fish, red meat and egg yolks. Most individuals, however, can maintain adequate vitamin D levels through regular exposure to sunlight. However, during the times of the year where sunlight is minimal, dietary choices and supplements can greatly assist.
- Increasing Vitamin B12 Intake: Good sources of vitamin B12 include meat, fish, milk, cheese and eggs. Most individuals who consume meat, fish and dairy products already gain enough B12 from their diet. Vegans specifically are susceptible to a vitamin B12 deficiency as the nutrient is not commonly found in fruits and vegetables. In this scenario, individuals should take B12 supplements to avoid a deficiency.
- Increasing Vitamin C Intake: Good sources of vitamin C include citrus, such as oranges, peppers, strawberries and black currents. Vitamin C is not produced by your body but most individuals already consume the necessary amount of vitamin C from their daily diet.
Maintaining adequate vitamin levels does not require extreme changes, but rather simple, consistent changes in habits. With the help of healthy lifestyles and nutrition, individuals can easily steer clear of vitamin deficiencies.
Vitamins may be needed only in small amounts but they have a huge impact on health. From supporting essential functions to protecting against diseases, they are vital for overall health. By understanding their importance, recognizing the risks and taking steps to maintain healthy vitamin levels, individuals can make informed choices that help them lead healthier lives.
Sources:
- https://medlineplus.gov/ency/article/002399.htm
- https://ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/
- https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-d/
- https://my.clevelandclinic.org/health/diseases/22831-vitamin-b12-deficiency
- https://my.clevelandclinic.org/health/diseases/15050-vitamin-d-vitamin-d-deficiency