NHS advice on maintaining a healthy vegan diet:
http://www.nhs.uk/Livewell/Vegetarianhealth/Pages/Vegandiets.aspx
http://www.nhs.uk/Conditions/vitamins-minerals/Pages/Iron.aspx
Patient information leaflet on the vegetarian and vegan diet:
https://patient.info/health/dietary-tips-for-vegetarians-and-vegans
Useful websites
https://plantbasedhealthprofessionals.com/
Babies/children and Veganism:
www.firststepsnutrition.org/pdfs/Eating_well_for_veg_infants_for_web.pdf