‘Immune boosting’ supplements are everywhere, but what does the evidence show about vitamins C and D, zinc, and elderberry for fighting colds, the flu, and Covid?
We all need vitamins and minerals. But it’s hard to remember which are good for what, which we’re more likely—or extremely unlikely—to run short of, and how much is too much. That’s good to know, when a multi-billion dollar industry keeps trying to sell us more (and ever-pricier) supplements.
As the saying goes, “Another day, another dollar.” That’s how people shilling for shady Covid-19 cures must view the pandemic. One day it’s ivermectin, the next it’s hydroxychloroquine or colloidal silver.
Remember hydroxychloroquine? Yes, there were anecdotes and observational studies, but, no, it flunked the gold standard for evidence, randomized controlled trials. Ditto with ivermectin.
Now the man named “the most influential spreader of coronavirus misinformation online” is promoting another candidate for magic bullet: vitamin D.
“10 ways to boost your metabolism.” “9 foods that lift your mood.” ”15 supplements to boost your immune system.” People love lists. So do websites eager to grab eyeballs. Only one problem: Much of the advice isn’t based on solid science. Here are some examples.