So you start searching and "vitamin B12 for hair" shows up everywhere
The same approaches used for tirzepatide-related constipation are effective here
For example, alcohol can cause headaches, but so can many vaccines, such as Shingrix, the brand-name vaccine that prevents shingles (herpes zoster)
Their body, their lifestyle, their side effect profile, their eating patterns
Its possible to have low ferritin but still have too much iron in the body ( as measured by other iron markers - found in a full iron panel test)
Oral B12 (50150 g daily) may be appropriate for dietary deficiency without neurological involvement, but intramuscular hydroxocobalamin injections remain first-line treatment in the UK for patients with nerve symptoms or malabsorption conditions