Unlike most manufacturers, Thorne offers this preservative-free Vitamin A.
Vitamin A is vital for promotion of
- general growth
- differentiation of epithelial tissues
- visual function
- reproduction
Signs of deficiency may include
- abnormal dryness and hardening of the skin
- night blindness
- dryness of the eyes
- diarrhea
- weight loss
- decreased sperm count
Clinically, I personally find it very useful in high dosage (up to 150,000 IU) for three days, when used at the onset of viral infections, such as the flu. It appears to reduce the symptoms and to shorten the course of such illness.
