Vitamin A (fingerstick)
Vitamin A; vision, skin, and resistance.
Important collection instructions
We already wrap the tube in aluminum foil. Minimize light exposure and keep the foil on the tube.
- No GP referral needed
Fingerstick at home – no collection point needed
How it works
- 01
Receive your fingerstick kit
You receive a fingerstick kit with clear instructions
- 02
Prick & collect
Easily collect a few drops of blood yourself
- 03
Mail back
Return via medical mail to the lab
What is Vitamin A?
Vitamin A is an essential nutrient crucial for maintaining healthy skin, vision, and immune system function. It also plays a role in growth and development.
Why should you test Vitamin A levels?
Measuring vitamin A levels can be useful in diagnosing nutritional deficiencies or assessing overall health. It is particularly helpful for people with symptoms of a deficiency or those at risk of excessive intake due to supplement use.
What does it indicate?
The test results can show whether vitamin A levels fall within a healthy range. This helps in identifying both deficiencies and excesses, both of which can cause health issues.
What does a high Vitamin A level mean?
A high level of vitamin A may indicate excessive intake, which can lead to vitamin A toxicity. This can cause symptoms such as headache, nausea, dizziness, and in severe cases, liver damage.
What does a low Vitamin A level mean?
A low level of vitamin A may indicate a deficiency, which can lead to night blindness, an increased risk of infections, skin problems, and other health issues.