supplement science

Brian Lee RD

Alanine, anethole essential oil, apigenin, ascorbic acid, beta-carotene, caffeic acid, camphene, carvacrol, chlorogenic acid, chrysoeriol, derulic acid, eriodictyol, eugenol, 4-terpinol, gallic acid, gamma-terpinene, isichlorogenic acid, isoeugenol, isothymonin, kaemfero, labiatic acid, lauric acid, linalyl acetate lueolin, methionine, myrcene, myristic acid, naringenin, rosmarinic acid, selenium, tannin, thymol, tryptophan, usolic acid, vanillic acid.

Antioxidants...all found in a leaf of

thyme

get your

vitamins

foodfrom your

Multivitamins

Evidence is insufficient to prove the presence or absence of

benefits from use of multivitamin and mineral supplements to

prevent cancer and chronic disease.

Ann Intern Med. 2006;145(5):372-85

Antioxidants

Treatment with beta carotene, vitamin A, and vitamin E may increase mortality.

The potential roles of vitamin C and selenium on mortality need further study.

JAMA. 2007;297:842-857

Omega-3s

ALA intake is associated with

reduced risk of

CVD, fatal ischemic HD, all-cause mortality

EPA/DHA intake is associated with

reduced risk of

CHD mortality, breast and colorectal cancer,

cognitive decline

RecommendedIntakes:

ALA: 1300 - 2700 mg/d

EPA/DHA: 500 mg/d

Food Sources:

EPA: 700 mg

DHA: 1450 mg

4oz Salmon Steak

USDA Nutrient Database

Food Sources:

ALA: 1.3 g

1 Tbsp Canola Oil

USDA Nutrient Database

Vitamin D

“...studies strongly indicate that vitamin D may have anticancer

benefits, including against progression against a wide spectrum of cancers.”

Cancer Causes and Control 2005; 16:83-95.

“Improving calcium and vitamin D nutritional status substantially

Am J Clin Nutr 2007;85:1586–91.

reduces all-cancer risk in postmenopausal women”

“Vitamin D and calcium insufficiency may negatively influence glycemia, whereas

J Clin Endocrinol Metab 2007;92: 2017–2029

combined supplementation with both nutrients may be beneficial in optimizing

glucose metabolism”

“...current dietary recommendations for adults are not sufficient to maintain

J Nutr 2005; 135:317-322

circulating 25(OH)D levels at [sufficient levels], especially in pregnancy and lactation”

CURRENT RDIs Under 50: 200 IU vD 51-70: 400 IU vD 71+: 600 IU vD

ANTI-CANCER TRIAL1100 IU Vitamin D1450 mg Calcium

SAFE UPPER LIMIT2000 IU Vitamin D

Food Sources of Vitamin D

Dietitians of Canada Practice-Based Evidence in Nutrition

Coffee

“...coffee may improve fasting glucose,glucose tolerance and insulin sensitivity...”

Cent Eur J Med 2008; 3(1):9-19.

“...habitual coffee drinkershave a lower total and cardiovascular mortality rate among diabetic subjects.”

Cent Eur J Med 2008; 3(1):9-19.

“...some groups, includingpeople with hypertension, children, adolescents, and the elderly, may be more vulnerable to the adverse effects of caffeine.”

Critical Reviews in Food Science and Nutrition 2006; 46:101–123.

Health Canada (2003):

Health Canada: It’s Your Health - Caffeine

4-6 yrs: 45 mg caffeine

10-12 yrs: 85 mg caffeine

>12 yrs: 400 mg caffeine

Women of Childbearing Age:

300 mg caffeine

Dietitians, by performing an in-depth assessment of a patient’s food intake, can help determine whether or not there is a need for a nutritional supplement.