Inflammation and oxidative stress
Copperand Oxidative stress (F2-isoprostanes)
Only one source here so far, and it measured lower oxidative stress (F2-isoprostanes).
How sure anyone can be
Very low certainty, level 1 of 4Any estimate here is very uncertain.
The numbers reported
- -39 percent change
- percent mean decrease in plasma F2alpha-isoprostanes from baseline
None of these sources gave a likely range — the band the real answer probably sits in — so how precise these numbers are is still an open question here.
One source, newest first
What we read is the published abstract, not the full paper, so a blank below may still be printed in the paper itself. A fixed rule worked this out from the source’s own fields. Nobody checked this rating by hand.
Another kind of study, 2010 · 8 participants
Very low certainty, level 1 of 4A pilot study of copper supplementation effects on plasma F2alpha isoprostanes and urinary collagen crosslinks in young adult women.
J Trace Elem Med Biol. 2010;24(3):165-8. doi:10.1016/j.jtemb.2010.02.003. PMID:20569928.
- Number reported
- -39 percent change
- Which way it went
- Lower
- Likely range
- Not in the abstract
- Source’s own words
- percent mean decrease in plasma F2alpha-isoprostanes from baseline
- Who was studied
- Adult female
- Compared with
- placebo
- Amount taken
- 2 mg/d copper as copper glycinate
- For how long
- 56 days
- Disagreement between studies
- Not in the abstract
- Kind of record
- Journal article
How this rating was reachedstarts at Low, 2 steps down: risk of bias and imprecision
- Starts at Low
- Risk of bias brought it down to Very lowthe abstract reports no risk-of-bias or quality appraisal, so study limitations cannot be ruled outNot in the abstract
- Imprecision — already at Very low, the lowest rungthe abstract reports no confidence interval for the estimateNot in the abstract
- Ends at Very low2 steps down.
- Checked, nothing to step it down for
- indirectness
- Inconsistency
- No disagreement reported, and no count of studies behind it
Imprecision stops at the first check that applies; others may apply too.
AI-reviewed & signed — an AI agent re-read this finding against the saved source and checked that the quote, the numbers, the units and the direction match it. No person read it. The owner authorised the agent to sign the batch with the owner's key, and every build rechecks that signature against these exact bytes.
What is still missing from these readings
- One gives no likely range, so how precise that number is is unknown.
Something nobody wrote down is never a zero and never a guess.
Still to read for Copper
Eight of the 16 things on our list for Copper have no reading here yet:
- HDL cholesterol
- Hematocrit
- Hemoglobin
- Neutrophils, Absolute
- Serum iron
- Symptom Radar (Sickness Detection)
- Triglycerides
- White blood cell count
Still to read means nobody here has got to it, not that it was tried and did nothing or that no research exists. A pairing on no list is not a gap: we never set out to read it.
Read next
Copper
Seven other questions read for it
Inflammation and oxidative stress
37 questions read under it
Oxidative stress (F2-isoprostanes)
Two other ingredients read against it
Alphabetical, and by nothing else.
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