[DOI] [PubMed] [Google Scholar] 92.Clifford T., Howatson G., West D.J., Stevenson E.J
So that's really the contraindication
Potential explanations for constipation in CoQ10 users include: Concurrent medications Many individuals taking CoQ10 also take statins or other medications that can affect bowel function Dietary changes People starting supplements often make other health-related changes that might affect digestion Inadequate hydration Not drinking enough fluids can lead to constipation regardless of supplement use Reduced physical activity Common in individuals with cardiovascular conditions who may be taking CoQ10 Age-related factors Older adults, who are more likely to use CoQ10, are also more prone to constipation When to seek medical advice: If you develop constipation after starting CoQ10, consider discussing this with your GP, particularly if: Symptoms don't improve after trying self-care measures for 3 weeks You experience severe abdominal pain, vomiting, or inability to pass gas or stool (seek urgent care) There is blood in your stools You have unexplained weight loss You notice a persistent change in your bowel habit, especially if you're 60 or older Your doctor can assess whether the constipation is related to CoQ10, another medication, or an underlying condition requiring investigation
J., Palma, J
J Nutr Biochem 21(5):432437 Voruganti VS, Cai G, Klohe DM, Jordan KC, Lane MA, Freeland-Graves JH (2010) Short-term weight loss in overweight/obese low-income women improves plasma zinc and metabolic syndrome risk factors
For vascular redness and visible vessels, yes
