A randomized control trial in 2017 found that the iron fish did not increase hemoglobin concentrations in a sample group of 340 Cambodian women."
These sentences seem to contradict each other. Or does it mean that the concentration of iron in the blood has increased, but that it did not lead to more hemoglobin?
They might seem a bit pricey for what it is, but they operate on a "buy one, give one" model, so it's a pretty good deal considering that. They make a great gift for anyone in your life who needs more iron in their diet.