Vitamin A Supplement Benefits and Dosage
Carrots really do help you to see in the dark—why we need vitamin A.
Vitamin A functions
Vitamin A aids:
Normal growth and development of tissues
Immunity
Vision
Vitamin A dosage
The Nutrient Reference Value (NRV) is 800mcg a day. In Heights Smart Supplement there is 150mcg (equal to 2 boiled eggs or 2 cups of baked beans) this is 19% of the recommended amount.
Vitamin A and the brain
Beta carotene may improve cognitive function; one 18-year study of more than 4,000 men linked long-term beta carotene supplementation to the slowing of cognitive decline.
Vitamin A benefits
Vitamin A has the following benefits:
It may improve cognitive function
It helps to maintain a healthy immune system
Supports vision in dim light (carrots really do help you to see in the dark!)
It keeps skin and mucous membranes like inside the nose healthy
Plays well with
All immune-boosting nutrients as well as vitamin B2 for eye health (also in Heights!)
Clever stuff
Our bodies make vitamin A by converting its precursor, beta carotene into the active form. Beta carotene is the compound that is responsible for the orange colour of carrots.
Evidence
Here’s a handful of relevant scientific studies on vitamin A.
Grodstein, F., Kang, J. H., & Gaziano, J. M. (2004). O3-01-08 A large randomized trial of beta-carotene supplements and cognitive function. Neurobiology of Aging, (25), S54.