Are there any supplements that can cause a false negative on a blood test?
SUPPLEMENTS TO WATCH. Commonly used supplements that may affect certain lab tests…. • Vitamin C. This vitamin can produce a false-negative reading for a fecal occult blood test, which detects digestive tract bleeding, a possible sign of colon cancer.
Are there any herbs that are safe for drug testing?
While most herbs and teas are unlikely to trigger a false positive, there are herbs that are considered safe for drug testing because they’ve already been tested in depth.
Can a tea cause a false positive drug test?
Well, there’s bad news and good news. The bad news is that basic urine drug testing is highly inaccurate; the good news is that herbs are unlikely to raise a red flag. Herbs, teas and beverages aren’t likely to cause a false positive drug UA (or urinalysis) test.
Are there any herbs that can cause a false positive?
Although immunoassays are convenient, a June 2015 report in Missouri Medicine notes that they are prone to both false positives and false negatives. However, herbs, teas and beverages aren’t likely to cause a false positive.
SUPPLEMENTS TO WATCH. Commonly used supplements that may affect certain lab tests…. • Vitamin C. This vitamin can produce a false-negative reading for a fecal occult blood test, which detects digestive tract bleeding, a possible sign of colon cancer.
Well, there’s bad news and good news. The bad news is that basic urine drug testing is highly inaccurate; the good news is that herbs are unlikely to raise a red flag. Herbs, teas and beverages aren’t likely to cause a false positive drug UA (or urinalysis) test.
While most herbs and teas are unlikely to trigger a false positive, there are herbs that are considered safe for drug testing because they’ve already been tested in depth.
Although immunoassays are convenient, a June 2015 report in Missouri Medicine notes that they are prone to both false positives and false negatives. However, herbs, teas and beverages aren’t likely to cause a false positive.