![Microbiology Research | Free Full-Text | Oral Iron Supplementation—Gastrointestinal Side Effects and the Impact on the Gut Microbiota Microbiology Research | Free Full-Text | Oral Iron Supplementation—Gastrointestinal Side Effects and the Impact on the Gut Microbiota](https://www.mdpi.com/microbiolres/microbiolres-12-00033/article_deploy/html/images/microbiolres-12-00033-g001.png)
Microbiology Research | Free Full-Text | Oral Iron Supplementation—Gastrointestinal Side Effects and the Impact on the Gut Microbiota
![My baby is taking Iron supplement drops from this month on since then he is passing mixture of Brown/Yellow and Green stool. However, this time he has passed only dark Green stool. My baby is taking Iron supplement drops from this month on since then he is passing mixture of Brown/Yellow and Green stool. However, this time he has passed only dark Green stool.](https://t-images.imgix.net/https%3A%2F%2Fapp-us-east-1.t-cdn.net%2F5ee875e3e409ee03c308f9a4%2Fquestions%2F63b2c3917cbd125753e2d736%2F63b2c3917cbd125753e2d736_69874.jpg?width=620&w=620&auto=format%2Ccompress&ixlib=js-2.3.1&s=9594f07ab09278f0167e6938cf148cff)
My baby is taking Iron supplement drops from this month on since then he is passing mixture of Brown/Yellow and Green stool. However, this time he has passed only dark Green stool.
![FeraMAX on X: "The colour of your #poop says lots about your health. Black/tarry poop can be a #side effect from an #iron supplement. #scooponpoop #feramax https://t.co/98phgNLS2U" / X FeraMAX on X: "The colour of your #poop says lots about your health. Black/tarry poop can be a #side effect from an #iron supplement. #scooponpoop #feramax https://t.co/98phgNLS2U" / X](https://pbs.twimg.com/media/DBzsAzrUIAA01ij.jpg)
FeraMAX on X: "The colour of your #poop says lots about your health. Black/tarry poop can be a #side effect from an #iron supplement. #scooponpoop #feramax https://t.co/98phgNLS2U" / X
![More than a week or so my baby is taking Iron supplement drops on the advise of doctor. However, since then he is passing Green stool at times dark Green as well. More than a week or so my baby is taking Iron supplement drops on the advise of doctor. However, since then he is passing Green stool at times dark Green as well.](https://t-images.imgix.net/https%3A%2F%2Fapp-us-east-1.t-cdn.net%2F5ee875e3e409ee03c308f9a4%2Fquestions%2F63aeeaf0cef9074dfbc4083a%2F63aeeaf0cef9074dfbc4083a_57341.jpg?width=620&w=620&auto=format%2Ccompress&ixlib=js-2.3.1&s=7a3615b0556f9d9abee35e2c492303c0)