Sunestron contains a propriety blend of  powerful herbal supplements that increase testosterone and build muscle fast. Some of the key ingredients are:

Tongkat ali
Tongkat ali is the common name for Eurycoma longifolia otherwise known as Malaysian ginseng due to its ability to increase energy and strength as well as improve mood. Tongkat ali promotes muscle mass gain by restoring testosterone levels from low to normal. The reason why this is beneficial for athletes is because when the body endures heavy training sometimes testosterone is suppressed due to stress.Studies have shown that this supplement can increase testosterone while dereasing cortisol levels. source:

Horny Goat Weed
This uniquely named supplement has been found to increase the body’s production of nitric oxide and testosterone therefore enhancing muscle building. Nitric oxide initiates vasodilation throughout the body which could improve circulation and support muscle growth and repair. Muscles with improved circulation may be more able to receive the protein, hormones and nutrients needed to endure tough workouts and increase muscle repair time.

Cnidium monnieri
Cnidium monnieri is said to have interaction with glucose metabolism. It does this by increasing the uptake of glucose from the blood into the cells. This would provide muscle cells with more energy to undergo a long and intense exercise regimen. Cnidium monnieri might also increase testosterone and reduce estrogen providing an ideal muscle building environment inside the body.

DHEA is an abbreviation for the hormone dehydroepiandrosterone. This is one of the most abundant hormones produced by the adrenal glands. DHEA is vital for bodybuilders because around 50% of all testosterone for men and 75% of all estrogen is derived from it. This hormone is classified as a pre-cursor hormone due to its initiation of the production of other hormones.

Arginine is classified as a semi-essential amino acid. As an amino acid, it is a building block of protein which performs various physiological functions. Primarily it is known as a pre-cursor of nitric oxide. Arginine is not an amino acid that the body can make naturally. Consuming foods rich arginine is one way to benefit from this supplement. Foods with high concentrations of arginine include peanuts and almonds.

Mucuna Pruriens
Mucuna Pruriens is an herbal supplement which can be beneficial to bodybuilders due to its rich content in the amino acid L-Dopa which aids in the deduction of cholesterol and blood sugar levels. Mucuna Pruriens also increases the production of Human Growth Hormone or HGH. This increase in HGH has the potential to increase the body’s ability to create lean muscle mass. Diuretic effects from this herb improve tissue resilience and coordination. It also might increase testosterone levels producing more muscle mass and strength.
Maca Root
Maca Root is another herbal supplement has a reputation to boost energy levels, enhance stamina, as well as restore hormone balance. Maca Root stabilizes blood sugar as well as improves the function of the adrenals contributing to increased stamina. It also supplies the muscles with glycogen needed for high intensity exercise.

Xanthoparmelia scabrosa
Xanthoparmelia scabrosa promotes an increase in blood flow to muscles during high intensity exercise. This is due to the high amounts of nitric oxide produced by the supplement. This enhances delivery of oxygen to active muscles increasing the removal of lactate. Lactate is what causes delayed onset muscles soreness.

Guarana is typically used to increase energy through fat breakdown. This release of stored energy increases the metabolic rate and the ability for the muscles to exercise more effectively. While on this supplement it is possible that mental alertness increases, fatigue is lessened and stamina and physical endurance is greater.

Panax ginseng
Ginseng has been known to improve mood, provide greater amounts of energy and promote a positive sense of wellbeing. This supplement allows bodybuilders to have the energy needed to push through workouts, feel motivated and confident. This creates a more appropriate atmosphere for very intense workouts at a more frequent rate.

Eleutherococcus Senticosus Root
Eleutherococcus Senticosus Root is also known as Siberian ginseng. This particular form of ginseng has been proven to promote positive effects on mental alertness, work productivity and work quality. Ginseng also increases endurance and improves recovery time. Therefore Eleutherococcus Senticosus Root provides energy needed during intense workouts and allows bodybuilders to push forth an effort for a better pump.

Saw Palmetto
Saw palmetto is made up of a volatile oil. This oil contains a variety of fatty acids. These ingredients control the conversion of testosterone to DHT. Saw palmetto is considered to be one of the most natural high quality and safe remedies to promote good health primarily in males as well as increase stamina and energy.

Rhodiola rosea Root
Rhodiola rosea Root provides benefits for muscle building in terms of an energy booster for bodybuilders. This supplement also normalizes hormone levels increasing testosterone from low to normal. Greater endurance is also a potential benefit to promote extended workouts. Lastly, Rhodiola rosea Root improves how the body responds to stress giving a bodybuilder the advantage to undergo intense weigh training.

Wild Yam Stem
An herb native to Mexico, Wild Yam Stem is another supplement to that aids in bodybuilding and muscle growth. Taking this herb reduces inflammation. Reduced inflammation allows for less soreness and therefore more intense workouts without a greater recovery time. Wild Yam stem also lessens fatigue, and regulate hormone function.

Tribulus Terrestris
Tribulus Terrestris is also an herb.  This has been shown to boost testosterone production therefore increasing the potential for greater muscle mass or strength through weight training. Tribulus Terrestris stimulates testosterone production by providing more follicle-stimulating hormone (FSH).  In addition to this, Tribulus Terrestris greatly reduces spiking in blood glucose for a steady energy infused workout.

Muira Puama Powder
This Amazonian herb is said to have positive effects on fatigue. Essentially Muira Puama Powder provides bodybuilders with a solid foundation of energy and stamina. Both are necessary when undergoing intense workouts multiple times per week. A positive sense of wellbeing is also associated with this supplement.