Vitamin D

The Benefits of Vitamin D

Vitamin D is a factor in the maintenance of good health. However, reports continue to show that populations around the world are suffering from vitamin D deficiency. This is especially true for the Canadian population, which lives at a high latitude and has few foods that are naturally rich in vitamin D. The problem is widespread and increasing, with potentially severe repercussions for overall health.

USANA Vitamin D supplement is formulated with a high level of citamin D to help prevent deficiency by ensuring you get adequate amounts throughout the entire year.

The Science of Vitamin D

Healthy vitamin D levels are a key part of minimizing age-associated bone loss. Vitamin D supports the development and maintenance of bones and teeth by helping in the absorption and use of calcium. Calcium is the major structural element of bones and teeth. Your body needs several nutrients in order for calcium to be absorbed and used properly. Two of these nutrients are vitamin D and Vitamin K. Vitamin D increases absorption of calcium from the small intestine so the body receives maximum benefit while vitamin K helps make sure calcium builds up in the bones and not in soft tissues.

Although vitamin D can be toxic in very large doses, toxicity is rare the biggest cause for anxiety. Instead, deficiency has become relatively common. Vitamin D deficiency has been correlated to a number of health concerns, including an increased risk of heart disease, a weakened muscle and skeletal system, and even depression. Because of the prevalence of deficiency, in the most recent revision of the Dietary Reference Intakes (DRI), the recommended dietary intake for certain age groups was increased as much as 50 per cent. Talk to your doctor about healthy vitamin D levels, and ask for a test to find out if you are deficient.

The USANA Difference

USANA’s Vitamin D supplement is made with cholecalciferol(vitamin D3), which research suggests is better than competing forms at raising levels of vitamin D in the blood. A vlinical study conducted by USANA scientists showed individuals taking USANA products are six times more likely to have vitamin D levels in the optimal range.

Even when the winter months are behind us, it doesn’t mean your body needs less of a good thing. USANA’s Vitamin D supplement is a safe and easy way to get 1000 IU of maximum-strength vitamin D every day

Recommended Use: helps to prevent vitamin d deficiency.
recommended adult dose: take one (1) tablet daily, preferably with food.
Each tablet contains: Medicinal Ingredients

    vitamin d3 (cholecalciferol, 25 µg) 1,000 IU

Non-Medicinal Ingredients: microcrystalline cellulose, starch-maize, croscarmellose sodium, ascorbyl palmitate, silicon dioxide, dextrin, dextrose, lecithin, sodium citrate.
contains soy.

laboratory tested. quality guaranteed. meets usp specifications for potency, uniformity, and disintegration where applicable.
keep out of reach of children. consult your physician if you are pregnant, nursing, taking a prescription drug, or have a medical condition.
there is a safety seal under the cap. do not use if the safety seal is broken or missing.
usana health sciences, inc. salt lake city, 84120 usa
distributed by: usana canada company, 80 innovation drive, woodbridge, ontario l4h ot2
store below 25 °C.
made in usa

References

bischoff-ferrari ha, willett wc, wong jb, giovannucci e, dietrich t, dawson-hughes b. fracture prevention with vitamin d supplementation: a meta-analysis of randomized controlled trials. 2005. jama 293(18):2257-2264.
bodnar lm, simhan hn, powers rw, frank mp, cooperstein e, roberts jm. high prevalence of vitamin d insufficiency in black and white pregnant women residing in the northern united states and their neonates. 2007. j nutr 137:447-452.
deluca hf. overview of general physiologic features and functions of vitamin d. 2004. am j clin nutr 80(6 suppl):1689s-1696s.
feskanich d, willett wc, colditz ga. calcium, vitamin d, milk consumption, and hip fractures: a prospective study among postmenopausal women. 2003. am clin j nutr 77(2):504-511.
holick mf. vitamin d: importance in the prevention of cancers, type 1 diabetes, heart disease, and osteoporosis. 2004. am j clin nutr 79(3):362-371.
jackson rd, lacroix az, gass m, et al. calcium plus vitamin d supplementation and the risk of fractures. 2006. n engl j med 354(7):669-683.
jumar j, muntner p, kaskel fj, hailpern sm, melamed ml. prevalence and associations of 25-hydroxyvitamin d deficiency in us children: nhanes 2001-2004. 2009. pediatrics 124:e362-e370.
looker ac, pfeiffer cm, lacher da, schleicher rl, picciano mf, yetley ea. serum 25-hydroxyvitamin d status of the us population: 1988-1994 compared with 2000-2004. 2008. ajcn 88(6):1519-1527.
papadimotropoulos e, wells g, shea b, gillespie w, weaver b, zytaruk n, cranney a, adachi j, tugwell p, josse r, greenwood c, guyatt g. meta-analyses of therapies for postmenopausal osteoporosis. viii: meta-analysis of the efficacy of vitamin d treatment in preventing osteoporosis in postmenopausal women. 2002. endocr rev 23(4):560-9.
saintonge s, bang h, gerber lm. implications of a new definition of vitamin d deficiency in a multiracial us adolescent population: the national health and nutrition examination survey iii. 2009. pediatrics 123(3):797-803.

 

"USANA's potency guarantee ensures that what is on the label is what is in the bottle. Our strict manufacturing processes make certain that every USANA nutritional supplement is of the absolute highest quality and cointains the proper, labelled levels of potency." - Dr. Myron Wentz

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