Our Members Asked:
What supplements should I stop taking before surgery?
There are a number of supplements and herbs that can interfere with anesthesia or increase the risk of bleeding, cardiovascular events, or other complications during and after surgery. Always tell your doctor and surgeon about the supplements you take; unfortunately, an estimated 70% of patients do not. For information about specific supplements to avoid before surgery, see the full answer >>
Latest Research Updates (Clinical Updates)
Stop This Supplement Before Surgery?
Should you discontinue taking nattokinase prior to surgery? Find out in our updated CL Answer about supplements you should stop taking before surgery.
Related CL Answers (8)
Which vitamins and supplements should be stopped before getting blood work and laboratory tests?
Find out which vitamins and supplements can interfere with blood, urine or stool tests, and imaginging tests. Learn how B vitamins such as biotin, niacin and riboflavin, as well as calcium supplements, St. John’s wort, vitamin C, and others supplements can affect test results, as well as common foods that may interfere with tests.
Will sprinkling black pepper on food with turmeric help increase the bioavailability of curcumin in the turmeric?
Find out how black pepper extract (piperine, Bioperine) in supplements compares with regular black pepper added to foods with turmeric. Plus, safety, side effects and drug interactions with black pepper extract.
Is it safe to take arginine, or other supplements for sexual enhancement, while taking Viagra or Cialis?
When taking Cialis or Viagra, is it safe to take arginine or other sexual enhancement supplements?
I take St. John's wort for depression. Your report notes that it can interact with other medications. Would taking it several hours apart from other meds avoid this interaction?
St. John's wort (Hypericum perforatum) can interact with other medications, but can this be avoided by spacing out the dosages?
Which supplements are important after bariatric surgery (i.e., weight loss or stomach-reducing surgery)? Are there any I should avoid?
Find out which supplements may help after weight loss or stomach reducing surgery, including iron and calcium, and which should be avoided.
Is it dangerous to use certain herbals, vitamins, or other dietary supplements when breastfeeding?
Find out which supplements should be avoided when breastfeeding, including medicinal herbs, soy, and flaxseed.
What is magnesium stearate, what is it made from, and is it dangerous?
Learn more about magnesium stearate and its safety, based on evidence from clinical studies.
Is fish oil safe? Is it contaminated with mercury and PCBs?
Fish oil safety, including information on contamination with mercury and PCBs.
Related Reviews (12)
Join over 90,000 Members
Find the best products with instant access to our latest tests & reviews of over 1,300 health products.
Save money by finding high-quality products at lower cost.
Be alerted to new clinical findings & warnings.
See answers from our experts.
Stay informed with our e-newsletter.