They're VITAL!🤓 Prof @karen_kc123 presents the results of the RCT (huge population size) showing how 5-yr supplementation with Vit D3 &/or n-3 fatty acids ⬇incident autoimmune dse vs. non-takers. Game changing?! @RheumNow #ACR21 #ACRBest abs0957 https://t.co/X9QaB1B5Ac