4 ms·

Vitamin C intake can't even have an effect in 15 minutes, can it? What would be the path from ingestion to some effect on neural oscillations anyway?

• sooheon 5y ago
  Well the optic nerve has a direct route to the brain (where the placebo effect begins)
• dekhn 5y ago
  your tongue absorbs molecules that enter the bloodstream. this is not a widely appreciated phenomenon.