The word "more concocted" implies that something has been excessively fabricated, unreal, or artificial. Its antonyms, on the other hand, connote the opposite: authentic, genuine, or natural. Genuine describes something that is truly what it appears to be, as opposed to being artificial or fake. Authentic implies something that is original, unadulterated, and not a copy. And natural means something that occurs in nature, without human intervention or influence, or something that is instinctive, innate or unforced. Thus, depending on the context, the antonyms of "more concocted" could include terms like genuine, authentic, and natural.