Vitamins and Minerals Essential Nutrients Perform hundreds of roles Healthy diet is best way to obtain these nutrients Fine line between getting enough and having too much Micronutrients – Your body only needs tiny amounts
Vitamins vs. Minerals Vitamins – Organic, can be broken down by heat, air, or acid Minerals – Inorganic, they retain their chemical structure Why does this matter? Minerals can easily find their way into your body through food, vitamins often are destroyed through cooking
Water-Soluble Vitamins Absorbed directly into the bloodstream through digestion or as supplements dissolve Kidneys regulate levels Excess is excreted through urine
Names of Water-Soluble Vitamins B-Complex B1 – Thiamine B2 – Riboflavin B3 – Niacin B4 – (None) B5 – Pantothenic Acid B6 – Pyridoxine B7 – Biotin B8 - (None) B9 – Folic Acid B10 – (None) B11 – (None) B12 – Cobalamin Vitamin C – Ascorbic Acid
Water-Soluble Vitamins What They Do: Releases energy in food – B Complex Vitamins Produce energy – Thiamin, Riboflavin, Niacin, Pantothenic Acid, Biotin Build protein and cells – B6, B12, Folate Make collagen – Vitamin C
Deficiency of Vitamin B1 (Thiamine) Beri-Beri – Weight loss, body weakness and pain Inflammation of the nerves and heart failure Sources: Fortified breads and cereals, fish, lean meats and milk
Deficiency of Vitamin B3 (Niacin) Pellagra Diarrhea, Dermatitis, Dementia, Death Sources: Red meat and whole grains
Deficiency of Vitamin C Scurvy Sources: Citrus fruits, strawberries, potatoes, broccoli
Fat-Soluble Vitamins Travel through the body by proteins A, D, E, K Excesses are stored in liver and fat tissues Liver releases excesses as needed
Fat-Soluble Vitamins What They Do: Build Bones – Vitamin A, D, K Protect Vision – Vitamin A Promotes Absorption of Calcium – Vitamin D Protect the Body – Vitamin E (Tocopherol) Blood Clotting – Vitamin K ***Stored in your body for long periods of time; an excess amount of these vitamins can be toxic.
Deficiency of Vitamin A Blindness
Deficiency of Vitamin D Rickets – a weakening and softening of the bones
Vitamin E (Tocopherol) Antioxidant- protects body from free radicals Maintains strong immune system Known as the “Love Vitamin” *Deficiencies are Very Rare Too much Vitamin E: Bleeding in the Brain Risk of Birth Defects
Vitamin K
Minerals Major Calcium Chloride Magnesium Phosphorous Potassium Sodium Sulfur Trace Chromium Copper Fluoride Iodine Iron Manganese Selenium Zinc
Major Minerals What They Do: Maintain the proper balance of water in the body – Sodium, Chloride, Potassium Important for healthy bones – Calcium, Phosphorous, Magnesium Stabilize protein structures (Hair, Skin, Nails) – Sulfur ***Needed in larger amounts and stored in the body
Trace Minerals What They Do: Blood formation and function – Iron Strengthens bones/prevents tooth decay – Fluoride Body growth and maturation – Zinc Bone and cartilage development, - Copper Protects against cancer – Selenium Formation of thyroid hormones – Iodine Maintains blood sugar levels – Chromium Heals wounds – Manganese ***Needed in very small amounts
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