Vitamin K
Vitamin K
vitamin K
No vitamins are produced by the large intestine, per se. Instead, special bacteria in the colon (large intestine) synthesize vitamin K and some B vitamins, which are then passed back to your body tissues from the colon. Cenva
The Colon
Vitamin D
small intestine
Most vitamin are produced by plants
It is produced in the colon and stored in the rectum.
Vitamin D. It is produced in small quantities when the skin is exposed to natural sunlight and UV radiation.
Vitamin D.
Vitamin D