Iodine: Uses, Side Effects, Interactions, Pictures ... - WebMD

A the book claims it treats? Alternative, modern sources discussing blue iodine?

Blue iodine was famously utilized during severe sanitary crises in the Far North (e.g., against dysentery) to treat severely weakened patients, often reducing symptoms significantly within 3–4 days. Proposed Health Benefits (Traditional/Folklore):

Often touted for reducing swelling and promoting tissue healing.

Traditionally believed to be a less toxic way to supplement iodine compared to traditional Lugol's iodine or tincture.

The book focuses on the traditional health applications of (amyloiodine), a mixture of iodine, starch, and potassium iodide. Overview of "Blue Iodine" (Amyloiodine)

Discusses strengthening the immune system and supporting thyroid function.