vit2 - Beta-Carotene & Vitamins C & # Antioxidants...

Info iconThis preview shows pages 1–17. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Antioxidants Stabilize oxygen free radicals to prevent cell & tissue damage
Background image of page 2
Vitamins and Supplements
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Vitamin A/Beta-carotene Proposed Benefits: Cancer prevention Protect against heart disease Active role in the immune response Important to tooth & bone formation
Background image of page 4
Controversies People with diets high in vitamin A & beta- carotene have a lower incidence of cancer No supporting research for supplementation Supplementation is potentially detrimental in certain population
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Sources of Beta-Carotene Fruits: Apricots Cantaloupe Peaches Orange Juice Grapefruit Mango Watermelon Vegetables: Carrots Pumpkin Sweet Potatoes Winter squash Broccoli Greens Tomato Products
Background image of page 6
Sources of Retinol Breakfast cereals Milk Cheese Liver Egg yolks
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Vitamin C Potential Benefits: Protection against colds Protection against cancer Protects tissues from oxidation Regeneration of Vitamin E Reduced risk of developing cataracts Improved wound healing Enhances immune function
Background image of page 8
Sources of Vitamin C Citrus fruit Other fruits Vegetables
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Vitamin E (tocopherols) Proposed protective effects: Prevention of heart disease Prevention of cancer Improved immune function, especially in the elderly Protection from exercise-induced stress Improved action of insulin Delayed cataract formation Delayed worsening of Parkinson’s
Background image of page 10
Contraindications: Contraindications: Use with Vitamin K deficiency or receiving anticoagulants Questionable use with immunosuppressive drugs Controversies Controversies: Research results are conflicting Optimal therapeutic dose has yet to be defined Need for concurrent vitamin C supplementation
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Food Sources of Vitamin E Vegetable Oils (sunflower & safflower) Wheat germ Nuts Seeds
Background image of page 12
Protective effects: Folic acid protects the fetus against neural tubular defects Protect against heart disease Protect against cancer May protect against depression May protect against dementia & Alzheimer’s disease
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Folate (Folic acid) B6 (pyridoxine) B12 (Cobalamin) Liver Meats Meats Legumes Legumes Eggs Nuts Nuts Dairy Many fruits Many fruits Fortified cereal Dark green vegetables Seeds Enriched flour Fortified cereal
Background image of page 14
Vitamin D Some research has linked vitamin D supplementation or higher blood vitamin D levels with: A reduction in falls in the elderly Increased insulin sensitivity A possible reduction in the risk for colon & prostate cancer as well as other autoimmune diseases Multiple Sclerosis Osteoarthritis Hypertension
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Vitamin D Breast Cancer: A study of 1,200 healthy postmenopausal women looking at bone health with either placebo or calcium (1500 mg) plus vitamin D (1,000 IU) found the treated
Background image of page 16
Image of page 17
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 58

vit2 - Beta-Carotene & Vitamins C & # Antioxidants...

This preview shows document pages 1 - 17. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online