The effect of trust belief and salesperson's expertise on consumer's intention to purchase nutraceuticals: Applying the theory of reasoned action

The consumer's attitude, subjective norm, and purchase intention were explored based on the theory of reasoned action (Fishbein the salesperson's expertise and subjective norm can affect the consumer's attitude; and trust belief does not directly affect purchase intention, but rather the consumer's attitude to buying nutraceuticals and the subjective norm.