2024-04-22: We interrupt this Devil Fish program to bring you an important update: Most people, without substantial (0.125mg 5000IU/day for 70kg bodyweight) vitamin D3 supplementation, have far too little circulating 25-hydroxyvitamin D for their immune systems to work properly. Most doctors think that 20 ng/ml (50 nmol/L) or perhaps 30 ng/mL (75 nmol/L) is sufficient for general health - but thes