Twister

Beta-alanine is a non-essential amino acid. ... Beta-alanine is commonly used by mouth for improving athletic performance and exercise capacity, building lean muscle mass, and improving physical functioning in the elderly.

Taurine is an herbal supplement that can be used in the treatment of congestive heart failure, high blood pressure, high cholesterol, cystic fibrosis, and to prevent the buildup of plaque in the arteries throughout the body. Taurine occurs naturally in the human brain.

Tyrosine plays a critical role in the production of dopamine. ... Studies show that increasing the amount of tyrosine and phenylalanine in the diet can increase dopamine levels in the brain, which may promote deep thinking and improve memory.

Caffeine anhydrous is a nervous system stimulant that clears drowsiness and gives you an energy boost. Caffeine is such an effective stimulant that many people are using a highly concentrated caffeine powder, or caffeine anhydrous, to stimulate athletic performance or weight loss.

Glucuronolactone is commonly used in energy drinks due to its detoxification effects. Combining glucuronolactone with other substances such as caffeine can improve performance. 

Alpha-GPC administration increases the release of the neurotransmitter acetylcholine and facilitates learning and memory. In athletes, Alpha-GPC supplementation prevents exercise-induced reductions in choline levels, increases endurance performance and growth hormone secretion.

Eria jarensis is a new herb to the dietary supplement industry, that claims to provide intense stimulation, powerful mental focus, and a euphoric mood boost.

Noopept is a fast-acting, synthetic nootropic that may improve memory by increasing BDNF levels in your brain.

Huperzine A acts as a cholinesterase inhibitor — a type of medication that works by improving the levels of neurotransmitters in the brain.

Isopropylnorsynephrine is a stronger lipolytic agent in human adipocytes than synephrine and other amines present in Citrus aurantium.

Black Pepper is a source of piperine, it can enhance the absorption and function of certain nutrients and beneficial compounds. 

Alpha Yohimbe helps to improve blood flow and circulation throughout the body (this is why some people also use it to help treat erectile dysfunction). Yohimbine can act as a vasodilator.