[, Weisberg P, Scanlon KS, Li R, Cogswell ME. Vitamin D toxicity has been caused by consumption of dietary supplements that contained excessive vitamin D amounts because of manufacturing errors, that were taken inappropriately or in excessive amounts, or that were incorrectly prescribed by physicians, [155-157]. Vitamin D and multiple sclerosis: A comprehensive review. The late biochemist Irwin Stone studied ascorbic acid (vitamin C) for over forty years and is credited with the discovery that man's somewhat unique inability to synthesize our own vitamin C from glucose is due to a genetic liver-enzyme disorder he called hypoascorbemia (too little ascorbate). Post-treatment levels of plasma 25- and 1,25-dihydroxy vitamin D and mortality in men with aggressive prostate cancer. It means you need fats in your body for proper absorption of vitamin D. Since vitamin D maintains calcium and phosphorous levels in our bodies, it is an essential vitamin for good bone, muscle, and teeth health. Evidence Report/Technology Assessment No. Having produced a solution of this blue indicator, some researchers suggest its use as an indicator for the presence of Vitamin C. Adv Nutr 2012;3:353-61. Nutrients 2018, 10, 59; doi:10.3390/nu10010059. Statins
Rates of deficiency varied by race and ethnicity: 17.5% of non-Hispanic Blacks were at risk of vitamin D deficiency, as were 7.6% of non-Hispanic Asians, 5.9% of Hispanics, and 2.1% of non-Hispanic White people. However, clinical trials do not support a cause-and-effect relationship between vitamin D and weight loss. [, Taylor CL, Thomas PR, Aloia JF, Millard PS. Vitamin D is a fat-soluble vitamin that plays critical roles in the proper functioning of your body, including bone health and immunity. OVERVIEW; PRIMER; IN THE NEWS The distinctive blue-black color which results from mixing starch and iodine is a simple and effective test. Poor oral health. People who avoid all animal-sourced products can contact dietary supplement manufacturers to ask about their sourcing and processing techniques. [, Sowah D, Fan X, Dennett L, Hagtvedt R, Straube S. Vitamin D levels and deficiency with different occupations: A systematic review. Some mushrooms available on the market have been treated with UV light to increase their levels of vitamin D2. A 2018 Cochrane review analyzed 12 such trials that had a total of 933 participants with MS; the reviewers judged all of these trials to be of low quality [137]. [, Robien K, Oppeneer SJ, Kelly JA, Hamilton-Reeves JM. Over time, bone density can decline, and osteoporosis can eventually develop [71]. The effect of vitamin D supplementation on prostate cancer: A systematic review and meta-analysis of clinical trials. In this procedure, part of the upper small intestine, where vitamin D is absorbed, is bypassed, and vitamin D that is mobilized into the bloodstream from fat stores might not raise 25(OH)D to adequate levels over time [66,67]. [, Lehmann U, Hirche F, Stangl GI, Hinz K, Westphal S, Dierkes J. Bioavailability of vitamin D2 and D3 in healthy volunteers, a randomised placebo-controlled trial. [, Schwartz JB. [, Auguste BL, Avila-Casado C, Bargman JM. Increasing incidence of nutritional rickets: A population-based study in Olmsted County, Minnesota. The FNB established ULs for vitamin D in 2010 (Table 4) [1]. [, Beveridge LA, Struthers AD, Khan F, Jorde R, Scragg R, Macdonald HM, et al. Am J Clin Nutr 2019;109:1578-87. Neurology 2012;79:2140-5. [, Chakhtoura MT, Nakhoul N, Akl EA, Mantzoros CS, El Hajj Guleihan GA. Lancet Diabetes-Endocrinol 2014;2:719-29. N Engl J Med 2019:380:33-44. [, de Koning EJ, Lips P, Penninx BWJH, Elders PJM, Heijboer AC, den Heijer M, et al. These medications can reduce calcium absorption and impair vitamin D metabolism [171-173]. The Endocrine Society, the National and International Osteoporosis Foundation, and the American Geriatric Society define vitamin D deficiency as the level of 25-hydroxyvitamin (25 OH D) of less than 30 ng/mL. Those of African American ancestry, for example, have lower rates of bone fracture and osteoporosis than do Whites (see the section below on bone health and osteoporosis). Vitamin D supplementation reduced cancer mortality rates by 13%, and most of the benefit occurred with daily supplementation. Mayo Clin Proc 2013;88:720-55. Very high levels of vitamin D in your blood (greater than 375 nmol/L or 150 ng/mL) can cause nausea, vomiting, muscle weakness, confusion, pain, loss of appetite, dehydration, excessive urination and thirst, and kidney stones. There are two forms of vitamin D in the diet and supplements: Vitamin D2 (ergocalciferol):found in some. [, Stolzenberg-Solomon RZ, Vieth R, Azad A, Pietinen P, Taylor PR, Virtamo J, et al. The incidence rate of rickets in the infants and children (younger than 7) seen by 2,325 pediatricians throughout Canada was 2.9 per 100,000 in 20022004, and almost all patients with rickets had been breastfed [49]. In contrast, a meta-analysis of 6 trials in 49,282 older adults found that daily vitamin D (10 or 20 mcg [400 IU or 800 IU]/day) and calcium (800 or 1,200 mg/day) supplementation for a mean of 5.9 years reduced the risk of any fracture by 6% and of hip fracture by 16% [81]. Hypercalcemia, in turn, can lead to nausea, vomiting, muscle weakness, neuropsychiatric disturbances, pain, loss of appetite, dehydration, polyuria, excessive thirst, and kidney stones. Vitamin D supplements may interact with several types of medications. Pages 41-78 in Feldman D, Pike JW, Bouillon R, Giovannucci E, Goltzman D, Hewison M, eds. Effects of vitamin D supplementation in atorvastatin-treated patients: A new drug interaction with an unexpected consequence. In fact, up to 40% of U.S. adults are considered to have insufficient levels (not enough) of vitamin D, while around 6% are considered deficient in. In 20132014, an estimated 3.2% of the U.S. adult population took supplements containing 100 mcg (4,000 IU) or more vitamin D [41]. Calcium plus vitamin D supplementation and the risk of fractures. J Nutr 2018;148:712-20. Am J Clin Nutr 2004;80:1697S-705S. A randomized, double-blind, placebo-controlled trial. DOI: 10.1002/14651858.CD008422.pub3. cforyourself vitamin d. what would martial law in russia mean phoebe arnstein wedding joey michelle knight son picture brown surname jamaica. Cholecalciferol or 25-hydroxycholecalciferol supplementation does not affect muscle strength and physical performance in prefrail and frail older adults. [, Munger KL, Levin LI, Hollis BW, Howard NS, Ascherio A. Serum 25-hydroxyvitamin D levels and risk of multiple sclerosis. [, Crowe M, Wollner L, Griffiths RA. [, Pathak K, Soares MJ, Calton EK, Zhao Y, Hallett J. Vitamin D supplementation and body weight status: A systematic review and meta-analysis of randomized controlled trials. [, Brown LL, Cohen B, Tabor D, Zappala G, Maruvada P, Coates PM. No improvement in depressive symptoms by vitamin D supplementation: Results from a randomised controlled trial. Hansen D, Bazell C, Pelizzari P, Pyenson B. Chung M, Balk EM, Brendel M, Ip S, Lau J, Lee J, et al. Am J Clin Nutr 2012;95:1357-64. [, O'Brien KM, Sandler DP, Taylor JA, Weinberg CR. [, Rooney MR, Harnack L, Michos ED, Ogilvie RP, Sempos CT, Lutsey PL. In addition, although 25(OH)D levels rise in response to increased vitamin D intake, the relationship is nonlinear [1]. [, Chlebowski RT, Johnson KC, Kooperberg C, Pettinger M, Wactawski-Wende J, Rohan T, et al. What constituted a "higher" level varied by study but was typically at least 75 nmol/L (30 ng/mL). Older women and men should consult their health care providers about their needs for both nutrients as part of an overall plan to maintain bone health and to prevent or treat osteoporosis. Vitamin D helps regulate the renin-angiotensin-aldosterone system (and thereby blood pressure), vascular cell growth, and inflammatory and fibrotic pathways [118]. At baseline, participants had an adequate mean serum 25(OH)D level of 60 nmol/L (24 ng/mL). [, Cauley JA, Chlebowski RT, Wactawski-Wende J, Robbins JA, Rodabough RJ, Chen Z, et al. For example, an analysis was conducted of 19 prospective studies that provided data on prediagnostic levels of 25(OH)D for 13,462 men who developed prostate cancer and 20,261 control participants [113]. Am J Clin Nutr 2019;110:150-7. Cochrane Database of Systematic Reviews 2018, issue 9, Art. Few foods naturally contain vitamin D. The flesh of fatty fish (such as trout, salmon, tuna, and mackerel) and fish liver oils are among the best sources [17,1]. The emerging issue of 25-hydroxyvitamin D in foods. Those who are older or at risk for . Nutr Rev 2018;76:60-76. and some exceptional products like: Butterfat Keto, Advanced Collagen and Altrient C, Neutrient put a group of #CForYourself volunteers onto the 5C Reset and achieved outstanding results. However, a post hoc analysis showed a 62% lower incidence of diabetes among participants with low baseline serum 25(OH)D levels (less than 30 nmol/L [12 ng/mL]) who took the vitamin D supplement than among those who took the placebo [145,150]. Although UVB exposure can produce vitamin D in infants, the American Academy of Pediatrics (AAP) advises parents to keep infants younger than 6 months out of direct sunlight, dress them in protective clothing and hats, and apply sunscreen on small areas of exposed skin when sun exposure is unavoidable [59]. Both forms are well absorbed in the small intestine. doi: 10.1001/jamanetworkopen.2019.17789. The VITAL trial found no association between vitamin D supplementation and the risk of colorectal adenomas or serrated polyps [103]. Elsevier, 2018. The importance of 25-hydroxyvitamin D assay standardization and the Vitamin D Standardization Program. Vitamin D- fortified. Vitamin D is a fat-soluble vitamin that's involved in many essential body functions. N Engl J Med 2019;381:520-30. August 12, 2022
Serum 25-hydroxyvitamin D and the risk of cardiovascular disease: Dose-response meta-analysis of prospective studies. Vitamin D is a fat-soluble vitamin that is found in some animal food products and is also synthesized in the human body via exposure to the sun. Effect of vitamin D3 supplementation on improving glucose homeostasis and preventing diabetes: A systematic review and meta-analysis. [, Jorde R, Kubiak J. Proportions at risk of deficiency were lowest among children aged 15 years (0.5%), peaked at 7.6% in adults aged 2039 years, and fell to 2.9% among adults aged 60 years and older; patterns were similar for risks of inadequacy. Summary. Overview of the Cohort Consortium Vitamin D Pooling Project of Rarer Cancers. DRI is the general term for a set of reference values used for planning and assessing nutrient intakes of healthy people. Since 2014, however, several published studies and meta-analyses have found no relationship between 25(OH)D levels and prostate cancer risk [111,112]. Some studies have used dietary supplements containing the 25(OH)D3 form of vitamin D. Per equivalent microgram dose, 25(OH)D3 is three to five times as potent as vitamin D3 [37,38]. JAMA Oncol 2017;3:351-7. Lung cancer
[, Rockwell M, Kraak V, Hulver M, Epling J. Vitamin D: the underappreciated D-lightful hormone that is important for skeletal and cellular health. pii: E493. Am J Med 2015;128:1167-70. Pediatrics 2003;112:e132-5. For infants, the FNB committee developed AIs based on the amount of vitamin D that maintains serum 25(OH)D levels above 20 ng/mL (50 nmol/L) and supports bone development. Scientific Reports 2020;10:7736. Some expert bodies and vitamin D researchers suggest, for example, that approximately 530 minutes of sun exposure, particularly between 10 a.m. and 4 p.m., either daily or at least twice a week to the face, arms, hands, and legs without sunscreen usually leads to sufficient vitamin D synthesis [13,15,28]. National Institutes of Health Osteoporosis and Related Bone Diseases National Resource Center. In children, vitamin D deficiency is manifested as rickets, a disease characterized by a failure of bone tissue to become properly mineralized, resulting in soft bones and skeletal deformities [44]. Tolerable Upper Intake Level (UL): Maximum daily intake unlikely to cause adverse health effects. Vitamin D status in gastrointestinal and liver disease. Because vitamin D is fat soluble, its absorption depends on the guts ability to absorb dietary fat [4]. 2. One might expect a large proportion of the U.S. population to have vitamin D inadequacy on the basis of vitamin D intakes from foods, beverages, and even dietary supplements. Overall, the risk of CVD events was 10% lower for each 25 nmol/L (10 ng/mL) increase in serum 25(OH)D. Another large observational study that followed 247,574 adults from Denmark for 07 years found that levels of 25(OH)D that were low (about 12.5 nmol/L [5 ng/mL]) and high (about 125 nmol/L [50 ng/mL]) were associated with a greater risk of mortality from CVD, stroke, and acute myocardial infarction [121]. Vitamin D might be involved in the pathophysiology of type 2 diabetes through its effects on glucose metabolism and insulin signaling as well as its ability to reduce inflammation and improve pancreatic beta-cell function [1443,145]. Calcium plus vitamin D supplementation and the risk of breast cancer. Paediatr Int Child Health 2017;37:84-98. Your doctor may recommend a vitamin D tablet for you. Beef liver, egg yolks, and cheese have small amounts of vitamin D, primarily in the form of vitamin D3 and its metabolite 25(OH)D3. Ann Oncol 2018;29:1468-75. Individuals taking these and other medications on a regular basis should discuss their vitamin D intakes and status with their health care providers. Overall, clinical trials did not find that vitamin D supplements helped prevent or treat depressive symptoms or mild depression, especially in middle-aged to older adults who were not taking prescription antidepressants. Vitamin D and calcium: A systematic review of health outcomes. In another study, 10 mcg (400 IU)/day vitamin D and 1,000 mg/day calcium supplementation slightly, but significantly, reduced weight gain amounts in comparison with placebo in postmenopausal women, especially those with a baseline total calcium intake of less than 1,200 mg/day [153]. Calcium plus vitamin D supplementation and the risk of colorectal cancer. Considerations in dietetic counseling for vitamin D. J Acad Nutr Diet 2019;119:901-9. The concurrent presence of fat in the gut enhances vitamin D absorption, but some vitamin D is absorbed even without dietary fat. 13-05183-EF-1. [, Yin L, Ordonez-Mena JM, Chen T, Schottker B, Arndt V, Brenner H. Circulating 25-hydroxyvitamin D serum concentration and total cancer incidence and mortality: A systematic review and meta-analysis. Rockville, MD: Agency for Healthcare Research and Quality, 2009. This U-shaped association was most pronounced for men with the most aggressive forms of prostate cancer. Supports the Immune System. A systematic review and meta-analysis of 15 weight-loss intervention studies that used caloric restriction, exercise, or both, but not necessarily vitamin D supplementation or other treatments, found that people who lost weight had significantly greater increases in serum 25(OH)D levels than those who maintained their weight [152]. Vitamin C Products Cforyourself now sells Nutribiotic vitamin C products. Studies have shown that vitamin D benefits bone health when taken in doses of 800-5,000 international units per day. [, Schenk JM, Till CA, Tangen CM, Goodman PJ, Song X, Torkko KC, et al. The first hydroxylation, which occurs in the liver, converts vitamin D to 25-hydroxyvitamin D [25(OH)D], also known as "calcidiol." The results showed no significant differences in rates of progression to type 2 diabetes; in serum glucose, insulin, or hemoglobin A1c levels; or in measures of insulin resistance. J Am Soc Nephrol 2002;13:1608-14. It is also produced endogenously when ultraviolet (UV) rays from sunlight strike the skin and trigger vitamin D synthesis. Several studies published in 2014 suggested that high levels of 25(OH)D might increase the risk of prostate cancer. [, Wactawski-Wende J, Kotchen JM, Anderson GL, Assaf AR, Brunner RL, O'Sullivan MJ, et al. Adequate Intake (AI): Intake at this level is assumed to ensure nutritional adequacy; established when evidence is insufficient to develop an RDA. In 1935, the chemical structure of vitamin D 3 was defined and shown to result from the ultraviolet irradiation . The data on supplemental vitamin D and cholesterol levels are mixed, as shown in one meta-analysis of 41 clinical trials in a total of 3,434 participants (mean age 55 years). Treatment with vitamin D and calcium reduces bone loss after renal transplantation: a randomized study. Vitamin D synthesis following a single bout of sun exposure in older and younger men and women. PLOS ONE 2014;9:e111265. [, Yao S, Kwan ML, Ergas IJ, Roh JM, Cheng T-YD, Hong C-C, et al. [, Peterson L, Zeng X, Caufield-Noll CP, Schweitzer MA, Magnuson TH, Steele KE. British Journal of Cancer 2014;111:976-80. June 2014. [, Pappa HM, Bern E, Kamin D, Grand RJ. The international Vitamin D Standardization Program has developed procedures for standardizing the laboratory measurement of 25(OH)D to improve clinical and public health practice [5,7-10]. MS is an autoimmune disease of the central nervous system that damages the myelin sheath surrounding and protecting nerve cells in the brain and spinal cord. Absorption occurs by simple passive diffusion and by a mechanism that involves intestinal membrane carrier proteins [4]. Vitamin D supplements for bone health in minority populations
Conclusions about vitamin D supplements and bone health
Global consensus recommendations on prevention and management of nutritional rickets. Black Americans, for example, typically have lower serum 25(OH)D levels than White Americans. The Endocrine Society states, for example, that to maintain serum 25(OH)D levels above 75 nmol/L (30 ng/mL), adults might need at least 37.5 to 50 mcg (1,5002,000 IU)/day of supplemental vitamin D, and children and adolescents might need at least 25 mcg (1,000 IU)/day [11]. Drug-vitamin D interactions: A systematic review of the literature. Dietary supplements
Several trials have investigated whether vitamin D supplementation can prevent the transition from prediabetes to diabetes in patients with adequate 25(OH)D levels, and all have had negative results. However, many factors affect this process. I produce this site out of my passionate desire to inform as many people as possible about the nature of our body's need for the proper nutrients in adequate amounts. Obtaining sufficient vitamin D from natural (nonfortified) food sources alone is difficult. Circulating concentrations of vitamin D in relation to pancreatic cancer risk in European populations. Ann Intern Med 2014;160:558-64. It added that no national professional organization recommends population screening for vitamin D deficiency. [, U.S. Preventive Services Task Force. Vitamin D did not significantly prevent the development of diabetes in comparison with placebo. Curr Osteoporos Rep 2017;15:293-302. Vitamin D supplementation to reduce depression in adults: Meta-analysis of randomized controlled trials. All adults should consume recommended amounts of vitamin D and calcium from foods and supplements if needed. C4Yourself is an online platform for efficient and transparent management of your tutoring data. Vitamin D promotes calcium absorption in the gut and maintains adequate serum calcium and phosphate concentrations to enable normal bone mineralization and to prevent hypocalcemic tetany (involuntary contraction of muscles, leading to cramps and spasms). Brooks SPJ, Sempos CT. Vitamin D isn't naturally found in many foods, but you can get it from fortified milk, fortified cereal, and fatty fish such as salmon, mackerel and sardines. Vitamin D sufficiency prevents rickets in children and osteomalacia in adults. Effect of vitamin D supplementation on serum lipid profiles: A systematic review and meta-analysis. Taylor CL, Sempos CT, Davis CD, Brannon PM. Association of glucocorticoid use and low 25-hydroxyvitamin D levels: Results from the National Health and Nutrition Examination Survey (NHANES): 2001-2006. It may help prevent depression, inflammatory disease, and heart disorders. Vitamin D belongs to the family of fat-soluble vitamins, which include vitamins A, D, E and K. These vitamins are absorbed well with fat and are stored in the liver and fatty tissues. Lancet Diabetes Endocrinol 2018;6:847-58. Signs and symptoms of osteomalacia are similar to those of rickets and include bone deformities and pain, hypocalcemic seizures, tetanic spasms, and dental abnormalities [45]. - Vitamin D is made in the body when your skin absorbs ultraviolet light, but most people don't get enough sunlight to reach adequate levels Calcium and vitamin D3 supplementation prevents bone loss in the spine secondary to low-dose corticosteroids in patients with rheumatoid arthritis. A meta-analysis of prospective studies that evaluated the association between serum 25(OH)D levels and cancer incidence (8 studies) or cancer mortality (16 studies) found that cancer risk decreased by 7% and cancer mortality rates decreased by 2% with each 20 nmol/L (8 ng/mL) increase in serum 25(OH)D levels [89]. It is also a fat-soluble vitamin. [. For example, almost all of the U.S. milk supply is voluntarily fortified with about 3 mcg/cup (120 IU), usually in the form of vitamin D3 [23]. Yao P, Bennett D, Mafham M, Lin X, Chen Z, Armitage J, Clarke R. Vitamin D and calcium for the prevention of fracture: A systematic review and meta-analysis. The groups showed no significant differences in measures of muscle strength or performance [85]. Vitamin D 20 000 IU per week for five years does not prevent progression from prediabetes to diabetes. The U.S. Preventive Services Task Force (USPSTF) found insufficient evidence to assess the benefits and harms of screening for vitamin D deficiency in asymptomatic adults [6]. Am J Clin Nutr 2017;105:810-9. (0) May be available In-Warehouse at a lower non-delivered price. In addition to bone deformities and pain, severe rickets can cause failure to thrive, developmental delay, hypocalcemic seizures, tetanic spasms, cardiomyopathy, and dental abnormalities [45,46]. Cancer Epidemiol Biomarkers Prev 2014;23:1494-504. Vitamin D in foods: An evolution of knowledge. Int J Cancer 2018;142:1189-201. Calcium plus vitamin D supplementation and health outcomes five years after active intervention ended: The Women's Health Initiative. 71 ], Schenk JM, Cheng T-YD, Hong C-C, et al for set... 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