This is the 2582nd most frequent Russian word.
спросом
"Спросом" means "demand" (as in economic demand).
Here, 'спросом' is used in an expression 'пользоваться спросом', meaning 'to be in demand', indicating the popularity or desirability of the product.
Этот продукт всегда пользуется большим спросом.
This product is always in high demand.
Similarly, 'спросом' is part of 'пользуются спросом', showing the trending preference towards natural products in the market.
В последние годы спросом пользуются натуральные продукты.
In recent years, natural products have been in demand.
'спросом' is used within a prediction scenario, where the demand is associated with the context of market economics and consumer behavior.