consumer side; consumers' side
Refers to the perspective, interests, or position of consumers, often in contrast to businesses or producers.
We need to consider this issue from the consumer side.
We should listen more to the consumers' side.
Refers to the producer or manufacturer side, the opposite of 消費者側.
Simply means 'consumer'; 消費者側 adds the nuance of 'side' or 'perspective'.
Compound of 消費者 (consumer) and 側 (side).