Winter is the most dangerous time of year due to the lack of vitamin D and circadian misalignment. This is the most important time to supplement your diet and that of your parents and grandparents. Find the list of «must-haves» here: https://blooness.com/meilleurs-supplements-stimuler-systeme-immunitaire/
Be careful with foie gras during the Christmas holidays. As a precaution, look for products from farms with fewer than 250 ducks.