The internet is teeming with claims regarding the use of zinc supplements as a strategy for thwarting drug tests. But is there any hard science to support these anecdotes? The answer is “yes” — and “no.”
Check out our latest article on zinc supplements, in NORML’s Guide to Drug Testing
https://norml.org.nz/rights/guide-to-drug-testing/the-truth-about-zinc-and-drug-tests/