However, vitamin does not automatically mean risk-free
While you can supplement with a bit more than this (many supplements have 15 to 30 mg), you should not exceed the tolerable upper intake of 40 mg per day from food and supplements combined, unless supervised by a doctor
Gut Microbes 16 , 2356284 (2024)
Gluten and casein-derived molecules, if present in subjects with altered immune system, like in ASD, can cross the highly permeable intestinal barrier, and activate pro-inflammatory processes, releasing pro-inflammatory mediators that travel to the brain centers through the blood, contributing to neuro-inflammatory activities (De Magistris et al., 2013
doi: 10.3322/caac.20107
2021, Vacheron, Nathalie, et al