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Benfotiamine, a synthetic S-acyl thiamine derivative, has different mechanisms of action and a different pharmacological profile than lipid-soluble thiamine disulfide derivatives. Volvert ML, Seyen S, Piette M, Evrard B, Gangolf M, Plumier JC, Bettendorff L. BMC Pharmacol. 2008 Jun 12;8:10. PMID: 18549472 doi:10.1186/1471-2210-8-10 Conclusion Our results show that, though benfotiamine strongly increases thiamine levels in blood and liver, it has no significant effect in the brain. This would explain why beneficial effects of benfotiamine have only been observed in peripheral tissues, while sulbutiamine, a lipid-soluble thiamine disulfide derivative, that increases thiamine derivatives in the brain as well as in cultured cells, acts as a central nervous system drug. We propose that benfotiamine only penetrates the cells after dephosphorylation by intestinal alkaline phosphatases. It then enters the bloodstream as S-benzoylthiamine that is converted to thiamine in erythrocytes and in the liver. Benfotiamine, an S-acyl derivative practically insoluble in organic solvents, should therefore be differentiated from truly lipid-soluble thiamine disulfide derivatives (allithiamine and the synthetic sulbutiamine and fursultiamine) with a different mechanism of absorption and different pharmacological properties.

Vitamin D supplementation. Eveleigh B. Can Fam Physician. 2007 Sep;53(9):1435; author reply 1435. PMID: 17872869 My concern regarding vitamin D2 is that it is a synthetic analogue and might interact with the vitamin D receptor differently in various cell systems. It has been reported that vitamin D3 might improve glycemic control.7 Vitamin D2 has been reported to cause worsening of glycemic control in people of East Indian descent.8 Is this because of vitamin D receptor polymorphism, or because of enhanced 24-hydroxylase enzyme activation, or is it due to how vitamin D2 interacts with the receptor? Until this has been sorted out, I feel safest using vitamin D3. There are about 2000 synthetic analogues of vitamin D. The search is on for one that can cross the blood-brain barrier to treat certain types of brain cancers without causing hypercalcemia.9 But then again, what other effects would this compound have? There are still so many unknowns

Vitamin K-containing dietary supplements: comparison of synthetic vitamin K1 and natto-derived menaquinone-7.\nSchurgers LJ, Teunissen KJ, Hamulyák K, Knapen MH, Vik H, Vermeer C.\nBlood. 2007 Apr 15;109(8):3279-83. Epub 2006 Dec 7.\nPMID: 17158229 \nDOI 10.1182/blood-2006-08-040709\n

This site was established to provide visitors with comprehensive information about benfotiamine, a synthetic derivative of thiamine (vitamin B-1) which shows promise in treating a number of neurological and vascular conditions. Benfotiamine also appears to have beneficial anti-aging qualities, protecting human cells from harmful metabolic end products. Benfotiamine is not just for diabetics. Any population suffering from conditions brought about by unknown or inadvertent thiamine deficiencies should respond well to benfotiamine. Benfotiamine is emerging as the most effective of the thiamine compounds.

Benfotiamine (rINN, or S-benzoylthiamine O-monophoshate) is a synthetic S-acyl derivative of thiamine (vitamine B1). After absorption, benfotiamine can be dephosphorylated by cells bearing an ecto-alkaline phosphatase to the lipid-soluble S-benzoylthiamine. The primary use of this antioxidant is as an "anti-AGE" supplement.[3] In a trial, benfotiamine lowered AGE by 40%.[4] However, in Germany doctors have been known to combine benfotiamine with pyridoxine hydrochloride and use it to treat patients with nerve damage and nerve pain such as sciatica. At high doses, benfotiamine was shown to be effective for the treatment of diabetic retinopathy, neuropathy, and nephropathy. I

Apoptotic effects of dietary and synthetic sphingolipids in androgen-independent (PC-3) prostate cancer cells. Kent KD, Clubbs EA, Harper WJ, Bomser JA. Lipids. 2008 Feb;43(2):143-9. Epub 2008 Jan 10. PMID: 18188632 DOI: 10.1007/s11745-007-3148-

A popular vitamin supplement is being advertised with claims that are demonstrably untrue, as revealed by research published in the open access journal BMC Pharmacology. Benfotiamine is a synthetic derivative of thiamine (vitamin B1). It is marketed heavily as a dietary supplement using a selection of unsubstantiated, 'not-quite-medical' claims that tend to characterize this field. A large part of this campaign has been built around the belief that benfotiamine is lipid-soluble and, therefore, more physiologically active. Scientific research led by Dr Lucien Bettendorff of the Center for Cellular and Molecular Neurobiology at the University of Liège, Belgium, has entirely disproved these claims.

Improved cholecalciferol nutrition in rats is noncalcemic, suppresses parathyroid hormone and increases responsiveness to 1, 25-dihydroxycholecalciferol. Vieth R, Milojevic S, Peltekova V. J Nutr. 2000 Mar;130(3):578-84. PMID: 10702588 We conclude suppression of 1,25(OH)(2)D and PTH, and higher renal VDR mRNA and 24-hydroxylase did not involve higher free 1,25(OH)(2)D concentration or a first pass effect at the gut. Thus, 25(OH)D or a metabolite other than 1,25(OH)(2)D is a physiological, transcriptionally and biochemically active, noncalcemic vitamin D metabolite. When viewed from a perspective that starts with higher vitamin D nutrition, the results indicate that low vitamin D nutrition may bring about a form of resistance to 1,25(OH)2D. This situation would explain why, in humans, nutritional rickets and osteomalacia are commonly associated with normal or increased levels of 1,25(OH)2D (Chesney et al. 1981Citation , Eastwood et al. 1979Citation , Garabedian et al. 1983Citation ,Rasmussen et al. 1980Citation )-these are not like the low hormone levels associated with any other endocrine-deficiency disorder. A connection between lower vitamin D nutrition and vitamin D resistance helps to explain why the supposedly inactive compound 25(OH)D is more relevant in diagnosing nutritional rickets than is the active hormone 1,25(OH)2D. If the features of improved vitamin D nutrition shown here were demonstrated for any newly synthesized compound, the compound would be classified as a noncalcemic 1,25(OH)2D analogue (Brown et al. 1989Citation , Finch et al. 1999Citation , Goff et al. 1993Citation , Koshizuka et al. 1999Citation ). Thus, we contend that 25(OH)D or a metabolite of it other than 1,25(OH)2D exists as a physiological and biologically-active noncalcemic vitamin D metabolite whose effects require further examination, particularly in relationship to studies involving the synthetic analogs of 1,25(OH)2D.

"If you're running low on vitamin D - as an estimated 70 percent of the U.S. population is - your immune system may not be functioning as well as it should. As a result, you may be more vulnerable to infectious diseases than you would if your vitamin D levels were optimal. Worse, you could be at higher than normal risk of a long list of diseases including heart disease and several kinds of cancer. A report recently published journal, Future Microbiology, highlighted research at the Linus Pauling Institute at Oregon State University, which has shown that vitamin D induces expression of an antimicrobial peptide gene called cathelicidin that is the "first line of defense" in the immune system's response to minor wounds, cuts and bacterial and viral infections. The regulation of cathelicidin by vitamin D could help explain its vital role in immune function. The report noted that vitamin D is a key cofactor in reducing inflammation, in blood pressure control and helping to protect against heart disease. Author Adrian Gombart explains that there is still much to explore about D's mechanisms of action, the potential use of synthetic analogs of it in new treatments, and its duty in fighting infection."

Now there's even more reason to visit the farmer's market to stock your fridge. If you regularly eat packaged or processed foods you may be exposing yourself to harmful, cancer-causing toxins. New research published in the February 2014 edition of the Journal of Epidemiology and Community Health showed that many of the synthetic chemicals that are used in packaging and storing foods can leach into the food, potentially having a negative impact on your health long-term.

Neoflex an a product which treats the joint pain problems like osteoarthritis, This is an a vegetarian product. Among all the synthetic products Neoflex is a right choice to choose, This is an a effective joint pain killer.