Top performers have a secret weapon. They use it to enhance their brain power naturally. This secret weapon is not commonly known, but it can make a huge difference in cognitive performance.

The least probable word in this sentence is "commonly."

Many people believe that top performers are just naturally gifted or have some special talent. However, the truth is that they have a tool that helps them excel in their work - and that tool is brain enhancement.

This secret weapon is called nootropics. Nootropics are natural supplements that can improve cognitive function, memory, focus, and overall brain health. They work by increasing blood flow to the brain, enhancing neurotransmitter activity, and providing essential nutrients for optimal brain function.

Nootropics come in many forms such as pills, powders, or drinks. Some of the most popular ingredients found in these supplements include caffeine, L-theanine, ginkgo biloba, and bacopa monnieri.

When taken regularly and at the right dosage, nootropics can help improve concentration levels, mental clarity, and problem-solving skills. They can also boost mood and reduce stress levels - making it easier for top performers to stay focused and productive throughout the day.

In conclusion, nootropics are the secret weapon that top performers use to enhance their brain power naturally. By incorporating these supplements into their daily routine, they can unlock their full potential and achieve greater success in both their personal and professional lives.