When you take vitamins, your body undergoes several processes from these essential micronutrients.
- Absorption in Digestive System
- Transportation in the Bloodstream
- Utilization in Cells
- Storage and Excretion
- Physiological Impact
Absorption in Digestive System
Vitamins are released during the digestion of food and are absorbed primarily in the small intestine.
Fat-soluble vitamins (A, D, E, K) are absorbed along with dietary fats, while water-soluble vitamins (B-complex, C) are absorbed directly into the bloodstream.
Transportation in the Bloodstream
Once absorbed, vitamins travel through the bloodstream to various tissues and organs, carried by proteins or as free molecules.
Utilization in Cells
Vitamins play specific roles as coenzymes or cofactors, participating in enzymatic reactions that regulate essential processes.
For example, B-complex vitamins are involved in energy metabolism, while vitamin C is crucial for collagen synthesis.
Storage and Excretion
Fat-soluble vitamins (A, D, E, K) can be stored in the body’s fat tissues and liver for future use. This storage capability means that excessive intake over time can lead to vitamin toxicity.
On the other side, Water-soluble vitamins are not stored to the same extent and are usually excreted through urine. This makes regular intake important as they need to be replenished more frequently.
Physiological Impact
- Vitamins are integral to various physiological functions, influencing immune function, bone health, vision, skin integrity, and more.
- Inadequate vitamin intake can lead to deficiencies, resulting in health issues. On the other hand, excessive intake, especially of fat-soluble vitamins, can cause toxicity.