Nutrients

Vitamin A

Did you know that there are 13 vitamins essential for life? They are essential because each one of them serves a whole host of important functions in the body.

Take for example Vitamin A. It is needed for:

  • Eyesight
  • Immune function
  • Bone growth
  • Skin integrity
  • Reproductive health
  • Optimal gene expression
  • Red blood cell production

This fat-soluble vitamin is found in animal foods as preformed vitamin A and in plant foods as its precursor – carotenoids.

Top sources include:

  • Beef liver
  • Eggs
  • Butter
  • Sweet potatoes
  • Pumpkin
  • Carrots
  • Dark coloured veggies (spinach, kale, collards, etc.)

Vitamin A status can be tested through a simple serum (blood) test and deficiency can produce notable symptoms such as vision problems, poor immune function, skin and hair conditions, thyroid dysfunction + more (we’ll explore some of those in our Body Signs series).

Zinc and iron deficiencies are often associated Vitamin A deficiency (zinc is needed for vit. A metabolism, whereas vit. A is needed for iron metabolism).

For optimal absorption consume vitamin A and carotenoid-rich foods with healthy fats.

References:

  1. Lord R, Bralley J. Laboratory Evaluations For Integrative And Functional Medicine. Duluth, Ga: Genova Diagnostics; 2012.
  2. Higdon J. Vitamin A. Linus Pauling Institute. https://lpi.oregonstate.edu/mic/vitamins/vitamin-A. Published 2022. Accessed January 7, 2022.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s