Xiamen-based Kingdomway, also the parent firm of dietary supplement brand Doctor’s Best, said net profit had plummeted 67 per cent last year, largely due to a drop in the selling price of vitamin A and coenzyme-Q10 – two of its largest raw material businesses.
The supplementation of vitamin A in breastfeeding mothers has shown to increase retinol concentrations in breast milk in a two-month study, which researchers believe could help address vitamin A deficiency in lactating mothers.
Zinc supplementation was shown to increase cellular immune responses, especially in boys and children younger than 3.5 years old, according to a study conducted on young children in Indonesia.
Elderly people with low vitamin A levels may be more at risk of Alzheimer’s disease and lower brain functioning, says a new study that also finds even marginal vitamin A deficiency at birth can influence long-term risks.