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Nutritional Supplement

Coenzyme Q10 for Sports & Fitness

Coenzyme Q10
  • Negative Interactions

    1
    • Coenzyme Q10

      Warfarin

      Reduces Effectiveness

      Coenzyme Q10 (CoQ10) is structurally similar to vitamin K and may affect blood coagulation. Four case reports describe possible interference by CoQ10 with warfarin activity. It remains unknown how common or rare this interaction is. Those taking warfarin should only take CoQ10 with the guidance of their doctor.

      Warfarin
      Coenzyme Q10
      ×
      1. Morton RA. Ubiquinones, plastoquinones and vitamins K. Biol Rev Camb Philos Soc 1971;46:47-96.
      2. Spigset O. Reduced effect of warfarin caused by ubidecarenone. Lancet 1994;344:1372-3 [letter].
      3. Combs AB, Porter TH, Folkers K. Anticoagulant activity of a naphthoquinone analog of vitamin K and an inhibitor of coenzyme Q10-enzyme systems. Res Commun Chem Pathol Pharmacol 1976;13:109-14.
      4. Landbo C, Almdal TP. Interaction between warfarin and coenzyme Q10. Ugeskr Laeger 1998;160:3226-7 [in Danish].
  • Supportive Interactions

    29
    • Coenzyme Q10

      Amitriptyline

      Replenish Depleted Nutrients

      A number of tricyclic antidepressants have been shown to inhibit enzymes that require coenzyme Q10 (CoQ10), a nutrient that is needed for normal heart function. In addition, treatment with amitriptyline has been associated with a reduction in CoQ10 levels. It is therefore possible that CoQ10 deficiency may be a contributing factor to the cardiac side effects that sometimes occur with tricyclic antidepressants. Some practitioners advise patients taking tricyclic antidepressants to supplement with 30–100 mg of CoQ10 per day.

      Amitriptyline
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, Kishi H, Folkers K. Inhibition of myocardial respiration by psychotherapeutic drugs and prevention by coenzymeQ. In Y Yamamura, K Folkers, Y Ito, eds. Biomedical and Clinical Aspects of Coenzyme Q, Vol. 2. Amsterdam: Elsevier/North-Holland Biomedical Press,1980:139-54.
      2. Moreno-Fernandez AM, Cordero MD, Garrido-Maraver J, et al. Oral treatment with amitriptyline induces coenzyme Q deficiency and oxidative stress in psychiatric patients. J Psychiatr Res 2012;46:341-5.
    • Coenzyme Q10

      Amoxapine

      Replenish Depleted Nutrients

      A number of tricyclic antidepressants have been shown to inhibit enzymes that require coenzyme Q10 (CoQ10), a nutrient that is needed for normal heart function. It is therefore possible that CoQ10 deficiency may be a contributing factor to the cardiac side effects that sometimes occur with tricyclic antidepressants. Some practitioners advise patients taking tricyclic antidepressants to supplement with 30–100 mg of CoQ10 per day.

      Amoxapine
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, Kishi H, Folkers K. Inhibition of myocardial respiration by psychotherapeutic drugs and prevention by coenzymeQ. In Y Yamamura, K Folkers, Y Ito, eds. Biomedical and Clinical Aspects of Coenzyme Q, Vol. 2. Amsterdam: Elsevier/North-Holland Biomedical Press,1980:139-54.
    • Coenzyme Q10

      Atorvastatin

      Replenish Depleted Nutrients

      In a group of patients beginning treatment with atorvastatin, the average concentration of coenzyme Q10 in blood plasma decreased within 14 days, and had fallen by approximately 50% after 30 days of treatment. Many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Atorvastatin
      Coenzyme Q10
      ×
      1. Rundek T, Naini A, Sacco R, et al. Atorvastatin decreases the coenzyme Q10 level in the blood of patients at risk for cardiovascular disease and stroke. Arch Neurol 2004;61:889-92.
    • Coenzyme Q10

      Cerivastatin

      Replenish Depleted Nutrients

      In a group of patients beginning treatment with atorvastatin, the average concentration of coenzyme Q10 in blood plasma decreased within 14 days, and had fallen by approximately 50% after 30 days of treatment. Many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Cerivastatin
      Coenzyme Q10
      ×
      1. Rundek T, Naini A, Sacco R, et al. Atorvastatin decreases the coenzyme Q10 level in the blood of patients at risk for cardiovascular disease and stroke. Arch Neurol 2004;61:889-92.
    • Coenzyme Q10

      Clomipramine

      Replenish Depleted Nutrients

      A number of tricyclic antidepressants have been shown to inhibit enzymes that require coenzyme Q10 (CoQ10), a nutrient that is needed for normal heart function. It is therefore possible that CoQ10 deficiency may be a contributing factor to the cardiac side effects that sometimes occur with tricyclic antidepressants. Some practitioners advise patients taking tricyclic antidepressants to supplement with 30–100 mg of CoQ10 per day.

      Clomipramine
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, Kishi H, Folkers K. Inhibition of myocardial respiration by psychotherapeutic drugs and prevention by coenzymeQ. In Y Yamamura, K Folkers, Y Ito, eds. Biomedical and Clinical Aspects of Coenzyme Q, Vol. 2. Amsterdam: Elsevier/North-Holland Biomedical Press,1980:139-54.
    • Coenzyme Q10

      Desipramine

      Replenish Depleted Nutrients

      A number of tricyclic antidepressants have been shown to inhibit enzymes that require coenzyme Q10 (CoQ10), a nutrient that is needed for normal heart function. It is therefore possible that CoQ10 deficiency may be a contributing factor to the cardiac side effects that sometimes occur with tricyclic antidepressants. Some practitioners advise patients taking tricyclic antidepressants to supplement with 30–100 mg of CoQ10 per day.

      Desipramine
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, Kishi H, Folkers K. Inhibition of myocardial respiration by psychotherapeutic drugs and prevention by coenzymeQ. In Y Yamamura, K Folkers, Y Ito, eds. Biomedical and Clinical Aspects of Coenzyme Q, Vol. 2. Amsterdam: Elsevier/North-Holland Biomedical Press,1980:139-54.
    • Coenzyme Q10

      Doxepin

      Replenish Depleted Nutrients

      A number of tricyclic antidepressants have been shown to inhibit enzymes that require coenzyme Q10 (CoQ10), a nutrient that is needed for normal heart function. It is therefore possible that CoQ10 deficiency may be a contributing factor to the cardiac side effects that sometimes occur with tricyclic antidepressants. Some practitioners advise patients taking tricyclic antidepressants to supplement with 30–100 mg of CoQ10 per day.

      Doxepin
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, Kishi H, Folkers K. Inhibition of myocardial respiration by psychotherapeutic drugs and prevention by coenzymeQ. In Y Yamamura, K Folkers, Y Ito, eds. Biomedical and Clinical Aspects of Coenzyme Q, Vol. 2. Amsterdam: Elsevier/North-Holland Biomedical Press,1980:139-54.
    • Coenzyme Q10

      Fluvastatin

      Replenish Depleted Nutrients

      In a group of patients beginning treatment with atorvastatin, the average concentration of coenzyme Q10 in blood plasma decreased within 14 days, and had fallen by approximately 50% after 30 days of treatment. Many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Fluvastatin
      Coenzyme Q10
      ×
      1. Rundek T, Naini A, Sacco R, et al. Atorvastatin decreases the coenzyme Q10 level in the blood of patients at risk for cardiovascular disease and stroke. Arch Neurol 2004;61:889-92.
    • Coenzyme Q10

      Gemfibrozil

      Replenish Depleted Nutrients

      In a randomized study of 21 men with combined hyperlipidemia, ten to twelve weeks of gemfibrozil therapy reduced coenzyme Q10 blood levels to the levels seen in healthy men. The clinical significance of this finding is unknown.

      Gemfibrozil
      Coenzyme Q10
      ×
      1. Aberg F, Appelkvist EL, Broijersen A, et al. Gemfibrozil-induced decrease in serum ubiquinone and alpha- and gamma-tocopherol levels in men with combined hyperlipidaemia. Eur J Clin Invest 1998;28:235-42.
    • Coenzyme Q10

      Imipramine

      Replenish Depleted Nutrients

      A number of tricyclic antidepressants have been shown to inhibit enzymes that require coenzyme Q10 (CoQ10), a nutrient that is needed for normal heart function. It is therefore possible that CoQ10 deficiency may be a contributing factor to the cardiac side effects that sometimes occur with tricyclic antidepressants. Some practitioners advise patients taking tricyclic antidepressants to supplement with 30–100 mg of CoQ10 per day.

      Imipramine
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, Kishi H, Folkers K. Inhibition of myocardial respiration by psychotherapeutic drugs and prevention by coenzymeQ. In Y Yamamura, K Folkers, Y Ito, eds. Biomedical and Clinical Aspects of Coenzyme Q, Vol. 2. Amsterdam: Elsevier/North-Holland Biomedical Press,1980:139-54.
    • Coenzyme Q10

      Lovastatin

      Replenish Depleted Nutrients

      In a group of patients beginning treatment with atorvastatin, the average concentration of coenzyme Q10 in blood plasma decreased within 14 days, and had fallen by approximately 50% after 30 days of treatment. Many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Lovastatin
      Coenzyme Q10
      ×
      1. Rundek T, Naini A, Sacco R, et al. Atorvastatin decreases the coenzyme Q10 level in the blood of patients at risk for cardiovascular disease and stroke. Arch Neurol 2004;61:889-92.
    • Coenzyme Q10

      Nortriptyline

      Replenish Depleted Nutrients

      A number of tricyclic antidepressants have been shown to inhibit enzymes that require coenzyme Q10 (CoQ10), a nutrient that is needed for normal heart function. It is therefore possible that CoQ10 deficiency may be a contributing factor to the cardiac side effects that sometimes occur with tricyclic antidepressants. Some practitioners advise patients taking tricyclic antidepressants to supplement with 30–100 mg of CoQ10 per day.

      Nortriptyline
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, Kishi H, Folkers K. Inhibition of myocardial respiration by psychotherapeutic drugs and prevention by coenzymeQ. In Y Yamamura, K Folkers, Y Ito, eds. Biomedical and Clinical Aspects of Coenzyme Q, Vol. 2. Amsterdam: Elsevier/North-Holland Biomedical Press,1980:139-54.
    • Coenzyme Q10

      Pitavastatin

      Replenish Depleted Nutrients

      In a group of patients beginning treatment with atorvastatin, the average concentration of coenzyme Q10 in blood plasma decreased within 14 days, and had fallen by approximately 50% after 30 days of treatment. Many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Pitavastatin
      Coenzyme Q10
      ×
      1. Rundek T, Naini A, Sacco R, et al. Atorvastatin decreases the coenzyme Q10 level in the blood of patients at risk for cardiovascular disease and stroke. Arch Neurol 2004;61:889-92.
    • Coenzyme Q10

      Protriptyline

      Replenish Depleted Nutrients

      A number of tricyclic antidepressants have been shown to inhibit enzymes that require coenzyme Q10 (CoQ10), a nutrient that is needed for normal heart function. It is therefore possible that CoQ10 deficiency may be a contributing factor to the cardiac side effects that sometimes occur with tricyclic antidepressants. Some practitioners advise patients taking tricyclic antidepressants to supplement with 30–100 mg of CoQ10 per day.

      Protriptyline
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, Kishi H, Folkers K. Inhibition of myocardial respiration by psychotherapeutic drugs and prevention by coenzymeQ. In Y Yamamura, K Folkers, Y Ito, eds. Biomedical and Clinical Aspects of Coenzyme Q, Vol. 2. Amsterdam: Elsevier/North-Holland Biomedical Press,1980:139-54.
    • Coenzyme Q10

      Rosuvastatin

      Replenish Depleted Nutrients

      In a group of patients beginning treatment with atorvastatin, the average concentration of coenzyme Q10 in blood plasma decreased within 14 days, and had fallen by approximately 50% after 30 days of treatment. Many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Rosuvastatin
      Coenzyme Q10
      ×
      1. Rundek T, Naini A, Sacco R, et al. Atorvastatin decreases the coenzyme Q10 level in the blood of patients at risk for cardiovascular disease and stroke. Arch Neurol 2004;61:889-92.
    • Coenzyme Q10

      Simvastatin

      Replenish Depleted Nutrients

      In a group of patients beginning treatment with atorvastatin, the average concentration of coenzyme Q10 in blood plasma decreased within 14 days, and had fallen by approximately 50% after 30 days of treatment. Many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Simvastatin
      Coenzyme Q10
      ×
      1. Rundek T, Naini A, Sacco R, et al. Atorvastatin decreases the coenzyme Q10 level in the blood of patients at risk for cardiovascular disease and stroke. Arch Neurol 2004;61:889-92.
    • Coenzyme Q10

      Trimipramine

      Replenish Depleted Nutrients

      A number of tricyclic antidepressants have been shown to inhibit enzymes that require coenzyme Q10 (CoQ10), a nutrient that is needed for normal heart function. It is therefore possible that CoQ10 deficiency may be a contributing factor to the cardiac side effects that sometimes occur with tricyclic antidepressants. Some practitioners advise patients taking tricyclic antidepressants to supplement with 30–100 mg of CoQ10 per day.

      Trimipramine
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, Kishi H, Folkers K. Inhibition of myocardial respiration by psychotherapeutic drugs and prevention by coenzymeQ. In Y Yamamura, K Folkers, Y Ito, eds. Biomedical and Clinical Aspects of Coenzyme Q, Vol. 2. Amsterdam: Elsevier/North-Holland Biomedical Press,1980:139-54.
    • Coenzyme Q10

      Atorvastatin

      Reduce Side Effects

      In a preliminary study, supplementation with 100 mg of CoQ10 per day reduced the severity of muscle pain by 40% in people with muscle pain caused by a statin drug. A double-blind trial also found that CoQ10 (200 mg per day) significantly decreased drug-induced muscle symptoms in people taking statin drugs.

      However, in another double-blind trial, CoQ10 in the amount of 60 mg twice a day for one month was not more effective than a placebo for relieving muscle pain. Although the evidence is conflicting regarding whether supplementing with CoQ10 relieves statin-induced muscle symptoms, many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Atorvastatin
      Coenzyme Q10
      ×
      1. Caso G, Kelly P, McNurlan MA, Lawson WE. Effect of coenzyme Q10 on myopathic symptoms in patients treated with statins. Am J Cardiol 2007;99:1409-12.
      2. Fedacko J, Pella D, Fedackova P, et al. Coenzyme Q10 and selenium in statin-associated myopathy treatment. Can J Physiol Pharmacol 2013;91:165–70.
      3. Bookstaver DA, Burkhalter NA, Hatzigeorgiou C. Effect of coenzyme Q10 supplementation on statin-induced myalgias. Am J Cardiol 2012;110:526-9.
    • Coenzyme Q10

      Cerivastatin

      Reduce Side Effects

      In a preliminary study, supplementation with 100 mg of CoQ10 per day reduced the severity of muscle pain by 40% in people with muscle pain caused by a statin drug. A double-blind trial also found that CoQ10 (200 mg per day) significantly decreased drug-induced muscle symptoms in people taking statin drugs.

      However, in another double-blind trial, CoQ10 in the amount of 60 mg twice a day for one month was not more effective than a placebo for relieving muscle pain. Although the evidence is conflicting regarding whether supplementing with CoQ10 relieves statin-induced muscle symptoms, many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Cerivastatin
      Coenzyme Q10
      ×
      1. Caso G, Kelly P, McNurlan MA, Lawson WE. Effect of coenzyme Q10 on myopathic symptoms in patients treated with statins. Am J Cardiol 2007;99:1409-12.
      2. Fedacko J, Pella D, Fedackova P, et al. Coenzyme Q10 and selenium in statin-associated myopathy treatment. Can J Physiol Pharmacol 2013;91:165–70.
      3. Bookstaver DA, Burkhalter NA, Hatzigeorgiou C. Effect of coenzyme Q10 supplementation on statin-induced myalgias. Am J Cardiol 2012;110:526-9.
    • Coenzyme Q10

      Doxorubicin

      Reduce Side Effects

      Pretreating people with the antioxidant coenzyme Q10 before administration of doxorubicin has reduced cardiac toxicity —an action also reported in animals. Some doctors recommend 100 mg per day.

      Doxorubicin
      Coenzyme Q10
      ×
      1. Judy WV, Hall JH, Dugan W, et al. Coenzyme Q10 reduction of Adriamycin® cardiotoxicity. In Biomedical and Clinical Aspects of Coenzyme Q, vol. 4, ed. K Folkers, Y Yamamura. Amsterdam: Elsevier/North Holland Biomedical Press, 1984, 231-41.
      2. Ogura R, Toyama H, Shimada T, Murakami M. The role of ubiquinone (coenzyme Q10) in preventing Adriamycin®-induced mitochondrial disorders in rat heart. J Appl Biochem 1979;1:325.
    • Coenzyme Q10

      Fluvastatin

      Reduce Side Effects

      In a preliminary study, supplementation with 100 mg of CoQ10 per day reduced the severity of muscle pain by 40% in people with muscle pain caused by a statin drug. A double-blind trial also found that CoQ10 (200 mg per day) significantly decreased drug-induced muscle symptoms in people taking statin drugs.

      However, in another double-blind trial, CoQ10 in the amount of 60 mg twice a day for one month was not more effective than a placebo for relieving muscle pain. Although the evidence is conflicting regarding whether supplementing with CoQ10 relieves statin-induced muscle symptoms, many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Fluvastatin
      Coenzyme Q10
      ×
      1. Caso G, Kelly P, McNurlan MA, Lawson WE. Effect of coenzyme Q10 on myopathic symptoms in patients treated with statins. Am J Cardiol 2007;99:1409-12.
      2. Fedacko J, Pella D, Fedackova P, et al. Coenzyme Q10 and selenium in statin-associated myopathy treatment. Can J Physiol Pharmacol 2013;91:165–70.
      3. Bookstaver DA, Burkhalter NA, Hatzigeorgiou C. Effect of coenzyme Q10 supplementation on statin-induced myalgias. Am J Cardiol 2012;110:526-9.
    • Coenzyme Q10

      Lovastatin

      Reduce Side Effects

      In a preliminary study, supplementation with 100 mg of CoQ10 per day reduced the severity of muscle pain by 40% in people with muscle pain caused by a statin drug. A double-blind trial also found that CoQ10 (200 mg per day) significantly decreased drug-induced muscle symptoms in people taking statin drugs.

      However, in another double-blind trial, CoQ10 in the amount of 60 mg twice a day for one month was not more effective than a placebo for relieving muscle pain. Although the evidence is conflicting regarding whether supplementing with CoQ10 relieves statin-induced muscle symptoms, many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Lovastatin
      Coenzyme Q10
      ×
      1. Caso G, Kelly P, McNurlan MA, Lawson WE. Effect of coenzyme Q10 on myopathic symptoms in patients treated with statins. Am J Cardiol 2007;99:1409-12.
      2. Fedacko J, Pella D, Fedackova P, et al. Coenzyme Q10 and selenium in statin-associated myopathy treatment. Can J Physiol Pharmacol 2013;91:165–70.
      3. Bookstaver DA, Burkhalter NA, Hatzigeorgiou C. Effect of coenzyme Q10 supplementation on statin-induced myalgias. Am J Cardiol 2012;110:526-9.
    • Coenzyme Q10

      Mesoridazine

      Reduce Side Effects

      This interaction is based on this drug belonging to a drug class. While this drug may differ from the text and references below, drugs within this class work in a similar way and this interaction is applicable to drugs within the same class.

      Phenothiazine drugs like thioridazine can cause changes in heart activity in some people, which might be prevented with coenzyme Q10 supplementation. Therefore, some doctors and pharmacists may recommend coenzyme Q10 supplements to individuals taking thioridazine.

      Mesoridazine
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, et al. In Yamamura Y, Folkers K, Ito Y, eds. Biochemical and Clinical Aspects of Coenzyme Q, Volume 2. Amsterdam: Elsevier/North Holland Biomedical Press, 1980, 139-57.
    • Coenzyme Q10

      Perphenazine

      Reduce Side Effects

      Phenothiazine drugs similar to perphenazine can cause changes in heart activity in some people, which might be prevented by supplementing with coenzyme Q10. Therefore, some health practitioners may recommend coenzyme Q10 supplementation to people taking perphenazine.

      Perphenazine
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, et al. In Yamamura Y, Folkers K, Ito Y, eds. Biochemical and Clinical Aspects of Coenzyme Q, Volume 2. Amsterdam: Elsevier/North Holland Biomedical Press, 1980, 139-57.
      2. Werbach MR. Foundations of Nutritional Medicine. Tarzana, CA: Third Line Press, Inc., 1997, 212.
    • Coenzyme Q10

      Pitavastatin

      Reduce Side Effects

      In a preliminary study, supplementation with 100 mg of CoQ10 per day reduced the severity of muscle pain by 40% in people with muscle pain caused by a statin drug. A double-blind trial also found that CoQ10 (200 mg per day) significantly decreased drug-induced muscle symptoms in people taking statin drugs.

      However, in another double-blind trial, CoQ10 in the amount of 60 mg twice a day for one month was not more effective than a placebo for relieving muscle pain. Although the evidence is conflicting regarding whether supplementing with CoQ10 relieves statin-induced muscle symptoms, many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Pitavastatin
      Coenzyme Q10
      ×
      1. Caso G, Kelly P, McNurlan MA, Lawson WE. Effect of coenzyme Q10 on myopathic symptoms in patients treated with statins. Am J Cardiol 2007;99:1409-12.
      2. Fedacko J, Pella D, Fedackova P, et al. Coenzyme Q10 and selenium in statin-associated myopathy treatment. Can J Physiol Pharmacol 2013;91:165–70.
      3. Bookstaver DA, Burkhalter NA, Hatzigeorgiou C. Effect of coenzyme Q10 supplementation on statin-induced myalgias. Am J Cardiol 2012;110:526-9.
    • Coenzyme Q10

      Rosuvastatin

      Reduce Side Effects

      In a preliminary study, supplementation with 100 mg of CoQ10 per day reduced the severity of muscle pain by 40% in people with muscle pain caused by a statin drug. A double-blind trial also found that CoQ10 (200 mg per day) significantly decreased drug-induced muscle symptoms in people taking statin drugs.

      However, in another double-blind trial, CoQ10 in the amount of 60 mg twice a day for one month was not more effective than a placebo for relieving muscle pain. Although the evidence is conflicting regarding whether supplementing with CoQ10 relieves statin-induced muscle symptoms, many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Rosuvastatin
      Coenzyme Q10
      ×
      1. Caso G, Kelly P, McNurlan MA, Lawson WE. Effect of coenzyme Q10 on myopathic symptoms in patients treated with statins. Am J Cardiol 2007;99:1409-12.
      2. Fedacko J, Pella D, Fedackova P, et al. Coenzyme Q10 and selenium in statin-associated myopathy treatment. Can J Physiol Pharmacol 2013;91:165–70.
      3. Bookstaver DA, Burkhalter NA, Hatzigeorgiou C. Effect of coenzyme Q10 supplementation on statin-induced myalgias. Am J Cardiol 2012;110:526-9.
    • Coenzyme Q10

      Simvastatin

      Reduce Side Effects

      In a preliminary study, supplementation with 100 mg of CoQ10 per day reduced the severity of muscle pain by 40% in people with muscle pain caused by a statin drug. A double-blind trial also found that CoQ10 (200 mg per day) significantly decreased drug-induced muscle symptoms in people taking statin drugs.

      However, in another double-blind trial, CoQ10 in the amount of 60 mg twice a day for one month was not more effective than a placebo for relieving muscle pain. Although the evidence is conflicting regarding whether supplementing with CoQ10 relieves statin-induced muscle symptoms, many doctors recommend CoQ10 supplementation to prevent the drug-induced decline in CoQ10 levels.

      Simvastatin
      Coenzyme Q10
      ×
      1. Caso G, Kelly P, McNurlan MA, Lawson WE. Effect of coenzyme Q10 on myopathic symptoms in patients treated with statins. Am J Cardiol 2007;99:1409-12.
      2. Fedacko J, Pella D, Fedackova P, et al. Coenzyme Q10 and selenium in statin-associated myopathy treatment. Can J Physiol Pharmacol 2013;91:165–70.
      3. Bookstaver DA, Burkhalter NA, Hatzigeorgiou C. Effect of coenzyme Q10 supplementation on statin-induced myalgias. Am J Cardiol 2012;110:526-9.
    • Coenzyme Q10

      Thioridazine

      Reduce Side Effects

      This interaction is based on this drug belonging to a drug class. While this drug may differ from the text and references below, drugs within this class work in a similar way and this interaction is applicable to drugs within the same class.

      Phenothiazine drugs like thioridazine can cause changes in heart activity in some people, which might be prevented with coenzyme Q10 supplementation. Therefore, some doctors and pharmacists may recommend coenzyme Q10 supplements to individuals taking thioridazine.

      Thioridazine
      Coenzyme Q10
      ×
      1. Kishi T, Makino K, Okamoto T, et al. In Yamamura Y, Folkers K, Ito Y, eds. Biochemical and Clinical Aspects of Coenzyme Q, Volume 2. Amsterdam: Elsevier/North Holland Biomedical Press, 1980, 139-57.
    • Coenzyme Q10

      Timolol

      Reduce Side Effects

      In a group of 16 glaucoma patients treated with a timolol eye preparation, six weeks of oral coenzyme Q10 (90 mg per day) was reported to reduce timolol-induced cardiovascular side effects without affecting intraocular pressure treatment.

      Timolol
      Coenzyme Q10
      ×
      1. Takahashi N, Iwasaka T, Sugiura T, et al. Effect of coenzyme Q10 on hemodynamic response to ocular timolol. J Cardiovasc Pharmacol 1989;14:462-8.
  • Explanation Required

    2
    • Coenzyme Q10

      Pravastatin

      Needs Explanation

      In double-blind trials, treatment with pravastatin and other HMG-CoA reductase inhibitors has resulted in depleted blood levels of coenzyme Q10 (CoQ10). Supplementation with 90–100 mg CoQ10 per day has been shown to prevent reductions in blood levels of CoQ10 due to simvastatin, another drug in the same category as pravastatin. In a preliminary study, supplementation with 100 mg of CoQ10 per day reduced the severity of muscle pain by 40% in people with muscle pain caused by a statin drug.

      Pravastatin
      Coenzyme Q10
      ×
      1. Mortensen SA, Leth A, Agner E, Rohde M. Dose-related decrease of serum coenzyme Q10 during treatment with HMG-CoA reductase inhibitors. Mol Aspects Med 1997;18(suppl):S137-44.
      2. Ghirlanda G, Oradei A, Manto A, et al. Evidence of plasma CoQ10-lowering effect by HMG-CoA reductase inhibitors: a double-blind, placebo-controlled study. J Clin Pharmacol 1993;33:226-9.
      3. Bargossi AM, Grossi G, Fiorella PL, et al. Exogenous CoQ10 supplementation prevents plasma ubiquinone reduction induced by HMG-CoA reductase inhibitors. Molec Aspects Med 1994;15(suppl):s187-93.
      4. Miyake Y, Shouzu A, Nishikawa M, et al. Effect of treatment with 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors on serum coenzyme Q10 in diabetic patients. Arzneimittelforschung 1999;49:324-9.
      5. Caso G, Kelly P, McNurlan MA, Lawson WE. Effect of coenzyme Q10 on myopathic symptoms in patients treated with statins. Am J Cardiol 2007;99:1409-12.
    • Coenzyme Q10

      Propranolol

      Needs Explanation

      Propranolol inhibits enzymes dependent on coenzyme Q10 (CoQ10). In one trial, propranolol-induced symptoms were reduced in people given 60 mg of CoQ10 per day.

      Propranolol
      Coenzyme Q10
      ×
      1. Hamada M, Kazatain Y, Ochi T, et al. Correlation between serum CoQ10 level and myocardial contractility in hypertensive patients. In Biomedical and Clinical Aspects of Coenzyme Q, vol 4, ed. K Folkers, Y Yamamura. Amsterdam: Elsevier, 1984, 263-70.

References

1. Kaikkonen J, Nyyssonen K, Tuomainen TP, et al. Determinants of plasma coenzyme Q10 in humans. FEBS Lett 1999;443:163-6 [review].

2. Overvad OK, Diamant B, Holm L, et al. Efficacy and safety of dietary supplementation containing Q10. Ugeskr Laeger 1997;159:7309-15 [review] [in Danish].

3. Zuliani U, Bonetti A, Campana M, et al. The influence of ubiquinone (Co Q10) on the metabolic response to work. J Sports Med Phys Fitness 1989;29:57-62 [review].

4. Bonetti A, Solito F, Carmosino G, et al. Effect of ubidecarenone oral treatment on aerobic power in middle-aged trained subjects. J Sports Med Phys Fitness 2000;40:51-7.

5. Weston SB, Zhou S, Weatherby RP, Robson SJ. Does exogenous coenzyme Q10 affect aerobic capacity in endurance athletes? Int J Sport Nutr 1997;7:197-206.

6. Bucci L. Nutrients as ergogenic aids for sports and exercise. Boca Raton, FL: CRC Press, 1993, 54-7 [review].

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