China’s free Folic Acid program was estimated to cut infant deaths by about 2.8%. The study examined a nationwide program launched in 2008. It offers free Folic Acid supplements to rural women planning pregnancies. Taking them is voluntary. Researchers compared changes over time to estimate the program’s effect. This was a policy study, not a test assigning individual women to supplements. The estimated benefit went beyond fewer deaths overall. The program explained 11.7% of the shrinking death-rate gap between rural and urban infants. The estimated cost was $15,552 per life saved. The drop in deaths was largest among female infants. It was driven by fewer complications linked to low Folate, including birth defects and babies born too small. Benefits were strongest where more women followed the supplement routine. They were also stronger in areas with lower education levels. Areas with more brain and spine birth defects before the program saw greater benefits, too. The main takeaway is about access and follow-through. A free, voluntary program appeared to save lives without making supplement use mandatory. But these results do not show how much anyone’s blood levels changed. They also do not establish a target blood level or an individual benefit. For BioSocial members, that distinction matters when comparing results. Bloodwork, supplement timing, and consistency tell different parts of your own story. Sharing those details can make community comparisons more useful than sharing one number alone. Access barriers and missed doses may also add helpful context. What have you noticed in your Folate results while tracking your supplement routine?