What do the states mean?+
- Solid: well studied, and it works.
- Half-there: the science is still forming.
- A ghost: almost no real studies.
- Hollow: well studied, and it does not work.
- A cord: the pair itself has been tested together.
- Air: nobody has ever tested this pair.
The full scoring method: How we score
Chromium benefits: where the science stands
Almost nobody has looked.
As of August 2026, 733 papers on PubMed mention chromium, but almost none put it to a real test. For blood sugar, the best evidence is just a combined review covering 7 trials, and they lean positive. Early signs, not proof. Every claim we checked is below.
733 papers on PubMed · evidence from 17 trials
Claim by claim
- Blood sugarAlmost no real studies. What exists leans positive.
- InflammationThe science is still forming. Results lean positive, but there is not much yet.
- Weight and body fatThe science is still forming. No real difference found so far.
Pairs people ask about
The three sources we read
- 2013Meta-analysis · pools 9 trials, 622 people · no clear effect on weight and body fatsource
- 2017Meta-analysis · pools 7 trials · small benefit for blood sugarsource
- 2021Meta-analysis · small benefit for inflammationsource
Chosen as the strongest evidence out of 733 papers on PubMed. Every row links to its paper.
Fair questions
Does chromium work?+
Nobody can honestly say: almost no real studies exist, whatever the label promises.
Is chromium safe?+
No caution is recorded on this page. That is not a safety guarantee; the studies we read were not safety trials.
Why only 3 sources, when PubMed lists 733?+
The 733 is every paper that mentions chromium in any way: animal studies, blood measurements, papers where it is a side note. The strongest sources are combined reviews, and each one already gathers every trial its authors could find. Our 3 cover 17 trials between them, and every one is linked above. Both counts are measured, not estimated.