Pre-existing inflammatory bowel disease seems to bear more feline relevance so treatment in that direction seems more appropriate (steroids, antacids, low residue diets, or hypoallergenic diets)
Fish and seafood : Clams, sardines, and anchovies are iron-rich
High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache, Nausea and vomiting, Diarrhea, Fatigue or weakness, Tingling sensation in hands and feet
For lifters, this is important because tendons and ligaments rely heavily on collagen structure for strength and durability
Improved Health : Vitamin B12 supports many essential functions, including red blood cell production and brain health