Nutritional Supplement

Vitamin B1

Also indexed as:Thiamin, B1 Vitamin, Thiamine, test

  • Supportive Interactions

    21

    • Vitamin B1

      Bumetanide

      Replenish Depleted Nutrients

      People with congestive heart failure (CHF) treated with the loop diuretic furosemide may be at risk for vitamin B1 deficiency due to: 1) the disease, 2) treatment with furosemide, and/or 3) inadequate dietary vitamin B1 intake. In a study of people with CHF, long-term furosemide therapy was associated with clinically significant vitamin B1 deficiency due to urinary losses. This furosemide-induced vitamin B1 deficiency may worsen heart function in patients with CHF and may be prevented or corrected with vitamin B1 supplementation.

      Bumetanide
      Vitamin B1
      ×
      1. Brady JA, Rock CL, Horneffer MR. Thiamin status, diuretic medications, and the management of congestive heart failure. J Am Dietet Assoc 1995;95:541-4.
      2. Seligman H, Halkin H, Rauchfleisch S, et al. Thiamine deficiency in patients with congestive heart failure receiving long-term furosemide therapy: A pilot study. Am J Med 1991;91:151-5.
      3. Shimon I, Almog S, Vered Z, et al. Improved left ventricular function after thiamine supplementation in patients with congestive heart failure receiving long-term furosemide therapy. Am J Med 1995;98:485-90.

    • Vitamin B1

      Desogestrel-Ethinyl Estradiol

      Replenish Depleted Nutrients

      A review of literature suggests that women who use oral contraceptives may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. Oral contraceptive use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A. Oral contraceptives may interfere with manganese absorption. The clinical importance of these actions remains unclear.

      Desogestrel-Ethinyl Estradiol
      Vitamin B1
      ×
      1. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, 1997, 210-1 [review].
      2. Wynn V. Vitamins and oral contraceptive use. Lancet 1975;1:561-4.
      3. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197-8.
      4. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197.

    • Vitamin B1

      Ethinyl Estradiol and Levonorgestrel

      Replenish Depleted Nutrients

      A review of literature suggests that women who use oral contraceptives may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. Oral contraceptive use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A.Oral contraceptives may interfere with manganese absorption. The clinical importance of these actions remains unclear.

      Ethinyl Estradiol and Levonorgestrel
      Vitamin B1
      ×
      1. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, 1997, 210-1 [review].
      2. Wynn V. Vitamins and oral contraceptive use. Lancet 1975;1:561-4.
      3. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197-8.
      4. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197.

    • Vitamin B1

      Ethinyl Estradiol and Norethindrone

      Replenish Depleted Nutrients

      A review of literature suggests that women who use OCs may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. OC use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A.OCs may interfere with manganese absorption. The clinical importance of these actions remains unclear.

      Ethinyl Estradiol and Norethindrone
      Vitamin B1
      ×
      1. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, 1997, 210-1 [review].
      2. Wynn V. Vitamins and oral contraceptive use. Lancet 1975;1:561-4.
      3. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197-8.
      4. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197.

    • Vitamin B1

      Ethinyl Estradiol and Norgestimate

      Replenish Depleted Nutrients

      A review of literature suggests that women who use OCs may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. OC use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A. OCs may interfere with manganese absorption. The clinical importance of these actions remains unclear.

      Ethinyl Estradiol and Norgestimate
      Vitamin B1
      ×
      1. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, 1997, 210-1 [review].
      2. Wynn V. Vitamins and oral contraceptive use. Lancet 1975;1:561-4.
      3. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197-8.
      4. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197.

    • Vitamin B1

      Ethinyl Estradiol and Norgestrel

      Replenish Depleted Nutrients

      A review of literature suggests that women who use oral contraceptives may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. Oral contraceptive use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A. Oral contraceptives may interfere with manganese absorption. The clinical importance of these actions remains unclear.

      Ethinyl Estradiol and Norgestrel
      Vitamin B1
      ×
      1. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, 1997, 210-1 [review].
      2. Wynn V. Vitamins and oral contraceptive use. Lancet 1975;1:561-4.
      3. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197-8.
      4. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197.

    • Vitamin B1

      Furosemide

      Replenish Depleted Nutrients

      People with congestive heart failure (CHF) treated with the loop diuretic furosemide may be at risk for vitamin B1 deficiency due to: 1) the disease, 2) treatment with furosemide, and/or 3) inadequate dietary vitamin B1 intake. In a study of people with CHF, long-term furosemide therapy was associated with clinically significant vitamin B1 deficiency due to urinary losses. This furosemide-induced vitamin B1 deficiency may worsen heart function in patients with CHF and may be prevented or corrected with vitamin B1 supplementation.

      Furosemide
      Vitamin B1
      ×
      1. Brady JA, Rock CL, Horneffer MR. Thiamin status, diuretic medications, and the management of congestive heart failure. J Am Dietet Assoc 1995;95:541-4.
      2. Seligman H, Halkin H, Rauchfleisch S, et al. Thiamine deficiency in patients with congestive heart failure receiving long-term furosemide therapy: A pilot study. Am J Med 1991;91:151-5.
      3. Shimon I, Almog S, Vered Z, et al. Improved left ventricular function after thiamine supplementation in patients with congestive heart failure receiving long-term furosemide therapy. Am J Med 1995;98:485-90.

    • Vitamin B1

      Levonorgestrel

      Replenish Depleted Nutrients

      A review of literature suggests that women who use oral contraceptives may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. Oral contraceptive use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A. Oral contraceptives may interfere with manganese absorption. The clinical importance of these actions remains unclear.

      Levonorgestrel
      Vitamin B1
      ×
      1. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, 1997, 210-1 [review].
      2. Wynn V. Vitamins and oral contraceptive use. Lancet 1975;1:561-4.
      3. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197-8.
      4. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197.

    • Vitamin B1

      Levonorgestrel-Ethinyl Estrad

      Replenish Depleted Nutrients

      A review of literature suggests that women who use oral contraceptives may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. Oral contraceptive use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A. Oral contraceptives may interfere with manganese absorption. The clinical importance of these actions remains unclear.

      Levonorgestrel-Ethinyl Estrad
      Vitamin B1
      ×
      1. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, 1997, 210-1 [review].
      2. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197-8.
      3. Wynn V. Vitamins and oral contraceptive use. Lancet 1975;1:561-4.
      4. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197.

    • Vitamin B1

      Mestranol and Norethindrone

      Replenish Depleted Nutrients

      A review of literature suggests that women who use oral contraceptives may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. Oral contraceptive use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A. Oral contraceptives may interfere with manganese absorption. The clinical importance of these actions remains unclear.

      Mestranol and Norethindrone
      Vitamin B1
      ×
      1. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, 1997, 210-1 [review].
      2. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197-8.
      3. Wynn V. Vitamins and oral contraceptive use. Lancet 1975;1:561-4.
      4. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197.

    • Vitamin B1

      Norgestimate-Ethinyl Estradiol

      Replenish Depleted Nutrients

      A review of literature suggests that women who use oral contraceptives may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. Oral contraceptive use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A. Oral contraceptives may interfere with manganese absorption. The clinical importance of these actions remains unclear.

      Norgestimate-Ethinyl Estradiol
      Vitamin B1
      ×
      1. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, 1997, 210-1 [review].
      2. Wynn V. Vitamins and oral contraceptive use. Lancet 1975;1:561-4.
      3. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197-8.
      4. Holt GA. Food & Drug Interaction. Chicago: Precept Press, 1998, 197.

    • Vitamin B1

      Torsemide

      Replenish Depleted Nutrients

      People with congestive heart failure (CHF) treated with the loop diuretic furosemide may be at risk for vitamin B1 deficiency due to: 1) the disease, 2) treatment with furosemide, and/or 3) inadequate dietary vitamin B1 intake. In a study of people with CHF, long-term furosemide therapy was associated with clinically significant vitamin B1 deficiency due to urinary losses. This furosemide-induced vitamin B1 deficiency may worsen heart function in patients with CHF and may be prevented or corrected with vitamin B1 supplementation.

      Torsemide
      Vitamin B1
      ×
      1. Brady JA, Rock CL, Horneffer MR. Thiamin status, diuretic medications, and the management of congestive heart failure. J Am Dietet Assoc 1995;95:541-4.
      2. Seligman H, Halkin H, Rauchfleisch S, et al. Thiamine deficiency in patients with congestive heart failure receiving long-term furosemide therapy: A pilot study. Am J Med 1991;91:151-5.
      3. Shimon I, Almog S, Vered Z, et al. Improved left ventricular function after thiamine supplementation in patients with congestive heart failure receiving long-term furosemide therapy. Am J Med 1995;98:485-90.

    • Vitamin B1, B2, and B6

      Amitriptyline

      Support Medicine

      Giving 10 mg per day each of vitamins B1, B2, and B6 to elderly, depressed persons already on tricyclic antidepressants improved their depression and ability to think more than placebo did. The subjects in this study were institutionalized, so it is unclear if these results apply to persons living at home.

      Amitriptyline
      Vitamin B1, B2, and B6
      ×
      1. Bell IR, Edman JS, Morrow FD, et al. Brief communication: Vitamin B1, B2, and B6 augmentation of tricyclic antidepressant treatment in geriatric depression with cognitive dysfunction. J Am Coll Nutr 1992;11:159-63.

    • Vitamin B1

      Clomipramine

      Support Medicine

      Giving 10 mg per day each of vitamins B1, B2, and B6 to elderly, depressed persons already on tricyclic antidepressants improved their depression and ability to think more than placebo did. The subjects in this study were institutionalized, so it is unclear if these results apply to persons living at home.

      Clomipramine
      Vitamin B1
      ×
      1. Bell IR, Edman JS, Morrow FD, et al. Brief communication: Vitamin B1, B2, and B6 augmentation of tricyclic antidepressant treatment in geriatric depression with cognitive dysfunction. J Am Coll Nutr 1992;11:159-63.

    • Vitamin B1, B2, and B6

      Desipramine

      Support Medicine

      Giving 10 mg per day each of vitamins B1, B2, and B6 to elderly, depressed persons already on tricyclic antidepressants improved their depression and ability to think more than placebo did. The subjects in this study were institutionalized, so it is unclear if these results apply to persons living at home.

      Combination of 6 grams per day L-tryptophan and 1,500 mg per day niacinamide (a form of vitamin B3) with imipramine has shown to be more effective than imipramine alone for people with bipolar disorder. These levels did not improve the effects of imipramine in people with depression. Lower amounts (4 grams per day of L-tryptophan and 1,000 mg per day of niacinamide) did show some tendency to enhance the effect of imipramine.

      The importance of the amount of L-tryptophan was confirmed in other studies, suggesting that if too much L-tryptophan (6 grams per day) is used, it is not beneficial, while levels around 4 grams per day may make tricyclic antidepressants work better.

      Desipramine
      Vitamin B1, B2, and B6
      ×
      1. Bell IR, Edman JS, Morrow FD, et al. Brief communication: Vitamin B1, B2, and B6 augmentation of tricyclic antidepressant treatment in geriatric depression with cognitive dysfunction. J Am Coll Nutr 1992;11:159-63.
      2. Chouinard G, Young SN, Annable L, Sourkes TL. Tryptophan-nicotinamide, imipramine and their combination in depression. Acta Psychiatr Scand 1979;59:395-414.
      3. Walinder J, Skott A, Carlsson A, et al. Potentiation of the antidepressant action of clomipramine by tryptophan. Arch Gen Psychiatry 1976;33:1384-9.
      4. Shaw DM, MacSweeney DA, Hewland R, Johnson AL. Tricyclic antidepressants and tryptophan in unipolar depression. Psychol Med 1975;5:276-8.

    • Vitamin B1, B2, and B6

      Doxepin

      Support Medicine

      Giving 10 mg per day each of vitamins B1, B2, and B6 to elderly, depressed persons already on tricyclic antidepressants improved their depression and ability to think more than placebo did. The subjects in this study were institutionalized, so it is unclear if these results apply to persons living at home.

      Doxepin
      Vitamin B1, B2, and B6
      ×
      1. Bell IR, Edman JS, Morrow FD, et al. Brief communication: Vitamin B1, B2, and B6 augmentation of tricyclic antidepressant treatment in geriatric depression with cognitive dysfunction. J Am Coll Nutr 1992;11:159-63.

    • Vitamin B1, B2, and B6

      Imipramine

      Support Medicine

      Giving 10 mg per day each of vitamins B1, B2, and B6 to elderly, depressed persons already on tricyclic antidepressants improved their depression and ability to think more than placebo did. The subjects in this study were institutionalized, so it is unclear if these results apply to persons living at home.

      Imipramine
      Vitamin B1, B2, and B6
      ×
      1. Bell IR, Edman JS, Morrow FD, et al. Brief communication: Vitamin B1, B2, and B6 augmentation of tricyclic antidepressant treatment in geriatric depression with cognitive dysfunction. J Am Coll Nutr 1992;11:159-63.

    • Vitamin B1, B2, and B6

      Nortriptyline

      Support Medicine

      Giving 10 mg per day each of vitamins B1, B2, and B6 to elderly, depressed persons already on tricyclic antidepressants improved their depression and ability to think more than placebo did. The subjects in this study were institutionalized, so it is unclear if these results apply to persons living at home.

      Nortriptyline
      Vitamin B1, B2, and B6
      ×
      1. Bell IR, Edman JS, Morrow FD, et al. Brief communication: Vitamin B1, B2, and B6 augmentation of tricyclic antidepressant treatment in geriatric depression with cognitive dysfunction. J Am Coll Nutr 1992;11:159-63.

    • Vitamin B1, B2, and B6

      Protriptyline

      Support Medicine

      Giving 10 mg per day each of vitamins B1, B2, and B6 to elderly, depressed persons already on tricyclic antidepressants improved their depression and ability to think more than placebo did. The subjects in this study were institutionalized, so it is unclear if these results apply to persons living at home.

      Protriptyline
      Vitamin B1, B2, and B6
      ×
      1. Bell IR, Edman JS, Morrow FD, et al. Brief communication: Vitamin B1, B2, and B6 augmentation of tricyclic antidepressant treatment in geriatric depression with cognitive dysfunction. J Am Coll Nutr 1992;11:159-63.

    • Vitamin B1, B2, and B6

      Trimipramine

      Support Medicine

      Giving 10 mg per day each of vitamins B1, B2, and B6 to elderly, depressed persons already on tricyclic antidepressants improved their depression and ability to think more than placebo did. The subjects in this study were institutionalized, so it is unclear if these results apply to persons living at home.

      Trimipramine
      Vitamin B1, B2, and B6
      ×
      1. Bell IR, Edman JS, Morrow FD, et al. Brief communication: Vitamin B1, B2, and B6 augmentation of tricyclic antidepressant treatment in geriatric depression with cognitive dysfunction. J Am Coll Nutr 1992;11:159-63.

    • Vitamin B1

      Stavudine

      Reduce Side Effects
      A 30-year-old woman who was taking stavudine developed a rare side effect called lactic acidosis, which was successfully treated with intravenous thiamine. Controlled studies are needed to determine whether lactic acidosis might be prevented if people taking stavudine supplement with vitamin B1. Until more information is available, some health practitioners may recommend supplemental vitamin B1 to individuals taking stavudine.
      Stavudine
      Vitamin B1
      ×
      1. Schramm C, Wanitschke R, Galle PR. Thiamin for the treatment of nucleoside analogue-induced severe lactic acidosis. Eur J Anaesthesiol 1999;16:733-5.

References

1. Schwieger G, Karl H, Schonhaber E. Relapse prevention of painful vertebral syndromes in follow-up treatment with a combination of vitamins B1, B6, and B12. Ann NY Acad Sci 1990;585:54-62.

2. Kuhlwein A, Meyer HJ, Koehler CO. Reduced diclofenac administration by B vitamins: results of a randomized double-blind study with reduced daily doses of diclofenac (75 mg diclofenac versus 75 mg diclofenac plus B vitamins) in acute lumbar vertebral syndromes. Klin Wochenschr 1990;68:107-15 [in German].

3. Bruggemann G, Koehler CO, Koch EM. Results of a double-blind study of diclofenac + vitamin B1, B6, B12 versus diclofenac in patients with acute pain of the lumbar vertebrae. A multicenter study. Klin Wochenschr 1990;68:116-20 [in German].

4. Vetter G, Bruggemann G, Lettko M, et al. Shortening diclofenac therapy by B vitamins. Results of a randomized double-blind study, diclofenac 50 mg versus diclofenac 50 mg plus B vitamins, in painful spinal diseases with degenerative changes. Z Rheumatol 1988;47:351-62 [in German].

5. Eisinger J, Zakarian H, Plantamura A, et al. Studies of transketolase in chronic pain. J Adv Med 1992;5:105-13.

6. Eisinger J, Bagneres D, Arroyo P, et al. Effects of magnesium, high energy phosphates, piracetam, and thiamin on erythrocyte transketolase. Magnesium Res 1994;7(1):59-61.

7. Schwieger G, Karl H, Schonhaber E. Relapse prevention of painful vertebral syndromes in follow-up treatment with a combination of vitamins B1, B6, and B12. Ann NY Acad Sci 1990;585:54-62.

8. Kuhlwein A, Meyer HJ, Koehler CO. Reduced diclofenac administration by B vitamins: results of a randomized double-blind study with reduced daily doses of diclofenac (75 mg diclofenac versus 75 mg diclofenac plus B vitamins) in acute lumbar vertebral syndromes. Klin Wochenschr 1990;68:107-15 [in German].

9. Bruggemann G, Koehler CO, Koch EM. Results of a double-blind study of diclofenac + vitamin B1, B6, B12 versus diclofenac in patients with acute pain of the lumbar vertebrae. A multicenter study. Klin Wochenschr 1990;68:116-20 [in German].

10. Vetter G, Bruggemann G, Lettko M, et al. Shortening diclofenac therapy by B vitamins. Results of a randomized double-blind study, diclofenac 50 mg versus diclofenac 50 mg plus B vitamins, in painful spinal diseases with degenerative changes. Z Rheumatol 1988;47:351-62 [in German].

11. Eder L, Hirt L, Dunant Y. Possible involvement of thiamine in acetylcholine release. Nature 1976;264:186-8.

12. Eder L, Dunant Y, Loctin F. Thiamine and cholinergic transmission in the electric organ of Torpedo. J Neurochem 1980;35:1278-96.

13. Gibson GE, Sheu KF, Blass JP, et al. Reduced activities of thiamine-dependent enzymes in the brains and peripheral tissues of patients with Alzheimer's disease. Arch Neurol 1988;45:836-40.

14. Meador K, Loring D, Nichols M, et al. Preliminary findings of high-dose thiamine in dementia of Alzheimer's type. J Geriatr Psychiatry Neurol 1993;6:222-9.

15. Blass JP, Gleason P, Brush D, et al. Thiamine and Alzheimer's disease. A pilot study. Arch Neurol 1988;45:833-5.

16. Nolan KA, Black RS, Sheu KF, et al. A trial of thiamine in Alzheimer's disease. Arch Neurol 1991;48:81-3.

17. Gokhale LB. Curative treatment of primary (spasmodic) dysmenorrhoea. Indian J Med Res 1996;103:227-31.

18. Gokhale LB. Curative treatment of primary (spasmodic) dysmenorrhoea. Indian J Med Res 1996;103:227-31.

19. Vinogradov VV, Tarasov IuA, Tishin VS, et al. Thiamin prevention of the corticosteroid reaction after surgery. Probl Endokrinol (Mosk) 1981;27:11-6 [in Russian].

20. Lettko M, Meuer S. Vitamin B-induced prevention of stress-related immunosuppression. Ann NY Acad Sci 1990;585:513-5.

21. Kanter AS, Spencer DC, Steinberg MH, et al. Supplemental vitamin B and progression to AIDS and death in black South African patients infected with HIV. J Acquir Immune Defic Syndr 1999;21:252-3 [letter].

22. Butterworth RF, Gaudreau C, Vincelette J, et al. Thiamine deficiency in AIDS. Lancet 1991;338:1086.

23. Baum MK, Mantero-Atienza E, Shor-Posner G, et al. Association of vitamin B6 status with parameters of immune function in early HIV-1 infection. J Acquir Immune Defic Syndr 1991;4:1122-32.

24. Tang AM, Graham NMH, Saah AJ. Effects of micronutrient intake on survival in human immunodeficiency type 1 infection. Am J Epidemiol 1996;143:1244-56.

25. Boudes P, Zittoun J, Sobel A. Folate, vitamin B12, and HIV infection. Lancet 1990;335:1401-2.

26. Al-Daghri N, Alharbi M, Wani K, et al. Biochemical changes correlated with blood thiamine and its phosphate esters levels in patients with diabetes type 1 (DMT1). Int J Clin Exp Pathol 2015;8:13483–8.

27. Thornalley P, Babaei-Jadidi R, Al Ali H, et al. High prevalence of low plasma thiamine concentration in diabetes linked to a marker of vascular disease. Diabetologia 2007;50:2164–70.

28. Angelousi A, Larger E. Anaemia, a common but often unrecognized risk in diabetic patients: a review. Diabetes Metab 2015;41:18–27.

29. Elbarbary N, Ismail E, Zaki M, et al. Vitamin B complex supplementation as a homocysteine-lowering therapy for early stage diabetic nephropathy in pediatric patients with type 1 diabetes: A randomized controlled trial. Clin Nutr 2019.

30. Stracke H, Gaus W, Achenbach U, et al. Benfotiamine in diabetic polyneuropathy (BENDIP): results of a randomised, double blind, placebo-controlled clinical study. Exp Clin Endocrinol Diabetes 2008;116:600–5.

31. Haupt E, Ledermann H, Kopcke W. Benfotiamine in the treatment of diabetic polyneuropathy—a three-week randomized, controlled pilot study (BEDIP study). Int J Clin Pharmacol Ther 2005;43:71–7.

32. Fraser D, Diep L, Hovden I, et al. The effects of long-term oral benfotiamine supplementation on peripheral nerve function and inflammatory markers in patients with type 1 diabetes: a 24-month, double-blind, randomized, placebo-controlled trial. Diabetes Care 2012;35:1095–7.

33. Abbas ZG, Swai ABM. Evaluation of the efficacy of thiamine and pyridoxine in the treatment of symptomatic diabetic peripheral neuropathy. East African Med J 1997;74:804-8.

34. Stracke H, Lindemann A, Federlin K. A benfotiamine-vitamin B combination in treatment of diabetic polyneuropathy. Exp Clin Endocrinol Diabetes 1996;104:311-6.

35. Abbas ZG, Swai ABM. Evaluation of the efficacy of thiamine and pyridoxine in the treatment of symptomatic diabetic peripheral neuropathy. East African Med J 1997;74:804-8.

36. Stracke H, Lindemann A, Federlin K. A benfotiamine-vitamin B combination in treatment of diabetic polyneuropathy. Exp Clin Endocrinol Diabetes 1996;104:311-6.

37. Gaby, AR. Nutritional Medicine. Concord, NH: Fritz Perlberg Publishing, 2011.

38. Cheraskin E, Ringsdorf WM, Medford FH, Hicks BS. The “ideal” daily vitamin B1 intake. J Oral Med 1978; 33:77-9.

39. Wilkinson TJ, Hanger HC, George PM, Sainsbury R. Is thiamine deficiency in elderly people related to age or co-morbidity? Age Ageing 2000;29:111-6.

40. Shamir R, Dagan O, Abramovitch D, et al. Thiamine deficiency in children with congenital heart disease before and after corrective surgery. JPEN J Parenter Enteral Nutr 2000;24:154-8.

41. Heap LC, Peters TJ, Wessely S. Vitamin B status in patients with chronic fatigue syndrome. J R Soc Med 1999;92:183-5.

42. Grant JE, Veldee MS, Buchwald D. Analysis of dietary intake and selected nutrient concentrations in patients with chronic fatigue syndrome. J Am Diet Assoc 1996;96:383-6.

43. Hung SC, Hung SH, Tarng DC, et al. Thiamine deficiency and unexplained encephalopathy in hemodialysis and peritoneal dialysis patients. Am J Kidney Dis 2001;38:941-7.

Copyright © 2024 TraceGains, Inc. All rights reserved.

Learn more about TraceGains, the company.

The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2024.

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