There is no single vitamin known as "Vitamin ABCD". The term likely refers to a combination of individual vitamins: Vitamin A, Vitamin B, Vitamin C, and Vitamin D. Each of these vitamins plays a crucial role in maintaining good health.
Individual Vitamins: A, B, C, and D
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Vitamin A: A fat-soluble vitamin essential for vision, immune function, cell growth, and reproduction. Sources include liver, dairy products, eggs, and brightly colored fruits and vegetables. https://ods.od.nih.gov/factsheets/VitaminA-Consumer/ https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-a/ https://www.mayoclinic.org/drugs-supplements-vitamin-a/art-20365945 https://en.wikipedia.org/wiki/Vitamin_A
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Vitamin B: This is actually a group of vitamins (B1, B2, B3, etc.), each with distinct roles in energy metabolism and various bodily functions. Good sources include meat, eggs, whole grains, and cereals. http://www.betterhealth.vic.gov.au/health/healthyliving/vitamin-b
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Vitamin C: A water-soluble vitamin vital for immune function, collagen production, and antioxidant activity. Citrus fruits, tomatoes, and berries are excellent sources.
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Vitamin D: A fat-soluble vitamin important for calcium absorption, bone health, and immune function. Sources include fatty fish, egg yolks, fortified dairy products, and sunlight exposure.
Importance of a Balanced Diet
It's crucial to obtain these vitamins through a balanced diet rich in fruits, vegetables, whole grains, and lean proteins. While supplements can address deficiencies, a diverse diet remains the best approach for optimal vitamin intake. https://www.healthline.com/health/foods-nutrition-vitamins-a-b-c-d-e-k
