"i can't believe that it's medicine" is an advertising slogan for a new antacid. the manufacturer claims that their antacid works faster and tastes better than any competing brand. these claims are part of the firm's strategy to achieve:

These claims are part of the firm's strategy to achieve product differentiation. When a company has developed product differentiation in the mind of a consumer, that means they stand on in their mind. The consumer can easily distinguish one company's product or service from that of a competitor. Being a "favorite" in the consumers mind keeps the consumer loyal to the brand.