2-Methylpropionate is a vitamin-B derivative also called thiamine disulfide. It is used in medicine for treatment of asthenia (weakness, loss of appetite and inability to concentrate). It is used as supplement by bodybuilders and athletes because it is believed to increase physical resistance to fatigue, improve neuromuscular efficiency, learning and memory, and improve metabolic function of the cerebral cortex. Some users have also reported improved sleep patterns after use of 2-methylpropionate supplements. Research shows that it improves energy levels by increasing choline uptake by hippocampal neurons, thus resulting in an increase in synthesis and release of acetylcholine. Its effects on brain are because it increases neuronal membrane permeability.

Caffeine, is a naturally produced medicine from the seeds and leaves of many plants. It is also produced unnaturally to add to certain foods. Caffeine is termed as a medicine because it arouses the central nervous system, causing enhanced alertness. Caffeine gives most people a short-term energy boost and bump up mood. Caffeine is present in tea, many soft drinks, coffee, chocolate, and pain relievers and other over-the-counter medicines. Caffeine tastes very bitter in its natural form. However, most caffeinated drinks undergo processing to cover-up the bitter taste. You may feel caffeine’s effects for up to 6 hours though it is not stored in the body.

Guarana Extract is the extract of the guarana plant. It contains a significant amount of guaranine, a substance that is similar to caffeine found in coffee beans. It helps stimulate the adrenal glands and increase the production and release of hormones such as epinephrine, norepinephrine (adrenaline), and dopamine. This helps the metabolism of the body that enhances fat loss, and increases energy and endurance. It helps the body burn the fats to be used for energy. It aids in fighting stress, weakness and fatigue. As a stimulant, it also improves mental alertness, clarity, focus, concentration, and memory retention. Guarana also also improves the libido or sex drive in both men and women. Guarana also contains tannins that help prevent diarrhea and soothes the digestive system.

Thiamine, also called Vitamin B1 or Thiamin, is needed to help the body utilize energy from proteins, fats and carbohydrates. Thiamine is commonly found in breads and cereals. Thiamine is water-soluble and is concentrated in muscle tissue as it passes thru the body.

Yohimbine HCL is a bark and is appropriate for sexual dysfunction. This is the best for erection problems as it has alkaloids. The alkaloids possess medicinal properties and are used in drugs. Yohimbine meant the chemical found on the Yohimbe bark. This belongs to the chemical family called alkaloids. Yohimbine effects are impressive. Yohimbine is used since many centuries for sexual enhancement. This bark is now sold in alkaloid concentrations such as 4%, 8% and so on up to 20%. The higher is the concentration, the more is the potent. There are companies promoting it for weight loss as well. Yohimbine HCL exhibits side effects in the form of anxiety. This bark is dangerous when consumed in excessive amounts. Higher oral doses create numerous side effects like high blood pressure, rapid heart rate and over stimulation. It also causes sleeplessness and insomnia in users. It is best to take this only after the consultation of a physician or should be taken in minimal quantities.