Vitamin D: Combat Exhaustion & Regulate Sleep

Vitamin B12 Deficiency: Symptoms, Absorption ‍& forms

Here’s a summary of teh information provided in the text:

What is vitamin B12?

* Vitamin B12 is essential⁤ for various bodily functions.
* It ‍comes in‍ forms like cyanocobalamin and methylcobalamin.
* Available as supplements (including sublingual), injections, and nasal gel (prescription required).

Absorption‍ & Factors Affecting ⁣It:

*⁤ The body doesn’t absorb large doses of supplemental ⁢B12 efficiently, even though high doses (500-1000 mcg) are frequently enough offered. The NIH states these are harmless.
* Absorption requires hydrochloric acid and a protein called “intrinsic factor.”
* ⁤Deficiency can occur even with a B12-rich diet if these elements are lacking, notably in:
* Older adults
* People with pernicious anemia
‍ * Those⁣ with atrophic gastritis
⁤ * Individuals‍ who have had gastrointestinal surgeries

Symptoms of Deficiency:

The NIH warns that a deficiency can manifest as:

* Persistent fatigue
* Weakness
* Pale skin
* Loss of appetite or weight loss
* tingling in hands and feet
* Balance problems
* Depression, confusion, and poor memory
* Damage too the nervous system ⁤(even without ⁤anemia)
* in babies: delayed growth and development

Connection to Energy & Sleep:

* B12 deficiency impacts neurons and red ⁤blood cell production (oxygen transport).
* Adequate B12 supports nervous system function and energy ‍balance.

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