4 ms·

So, it turns out many vitamins in supplements are poorly absorbed in the gut. B12 shots are a thing too.

• dghughes 2y ago
  Bioavailability is as important as the nutrient that you're trying to get.
• djtango 2y ago
  Yes - I was a Chemist in another life and the reality of physiology is that it is insanely complex and "just take vitamin pills" can amount to Dunning Kruger if things like the medium (a suspension, a solid, the solvents around it to think of a few...) can play such a huge role in the body's ready uptake of the active ingredient. I mean we kind of already know this anyway - "person dies of alcohol poisoning after vodka up the butt" was a legend as a student but also a story of how "x units alcohol" is an oversimplification. There are similar stories with class As and people varying up the modes of ingestion... Coming back to food I have anecdotally observed that my lactose intolerance reaction is more severe if the lactose is in something creamy. Even lactase pills have reduced effect on that. Although cream may be where the lactose is concentrated for all I know