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There is a fundamental difference between vitamin D generated in your skin versus vitamin D placed in your gut. The mechanisms by which it acts and the effects

There is a fundamental difference between vitamin D generated in your skin versus vitamin D placed in your gut. The mechanisms by which it acts and the effects it has on you are probably radically different. We are more than just a pile of various materials.

copperx 6y ago
What is that fundamental difference?
- glofish 6y ago
  for starters one is in the gut the other in the skin, sounds like a fundamental difference to me