Often referred to as the King of Herbs and used for more than 5,000 years in Traditional Chinese Medicine, Korean ginseng is used by modern herbalists for low vitality, debility, fatigue, stress, poor immunity, and to improve physical and mental performance and concentration. Additionally, the herb has shown to support male fertility and erectile function, including improved penile rigidity, and maintenance.

Research
A total of 60 patients presenting mild or mild to moderate ED were enrolled in a double-blind, placebo-controlled study in which the efficacies of Korean Red Ginseng (KRG) and placebo were compared. The patience received either an optimal does of KRG or a placebo. The five-item version of the International Index of Erectile Dysfunction (IIEF-5) score after the treatment was significantly higher in the KRG group compared with the before the treatment. In contrast, there was no difference before and after the treatment in the placebo group. In the KRG group, 66.6% reported improved erection, significant in global efficacy questions: in the placebo group there was no significance. Cores on rigidity, penetration, and maintenance were significantly higher for the KRG than those for the placebo when questions regarding the same were answered after 12 weeks of treatment.

Fenugreek has a long history for being used as both an herb and a food. Its use as an aphrodisiac has been recorded as far back as ancient Egypt.

Today, researchers have found an extract from Fenugreek called Trigonella foenum-graecum may be associated with increased sexual cognition, arousal, sexual behavior, libido, and orgasm.

Research
In a double-blind, randomised, placebo-controlled trial involving 120 healthy men between the ages of 43 and 70, an optimal dose of Fenugreek extract during a 12-week trial showed significant improvement in sexual function and serum testosterone as evidence by the number of morning erections and frequent of sexual activity. Free testosterone levels were improved up to 45% in 90% of the study population. The majority of the subjects enrolled in the study demonstrated improvements in mental alertness and mood. Furthermore, cardiovascular health and libido were significantly improved. Important: These results were achieved at the dosage TESO offers. Be cautious of supplement that provide effective ingredients as lower levels.

Piperine is the key active constituent of Black Pepper (Piper Nigrum), also known as 'The King of Spices'. Black pepper has been used medicinally and as a spice for thousands of years. Traditionally Black Pepper was used for its antioxidant, antimicrobial, and gastro-protective qualities. Modern scientific trials have shown that Piperine from black pepper improves the bioavailability of nutrients and other herbal bioactives. Piperine is used in TESTO® as an activator and enhancer of the formula.

Horny Goat Weed is a herb with a long history of use in China. Its use has been recorded as far back as 2000 years in Traditional Chinese Medicine (TCM) as an aphrodisiac and sexual tonic.
TCM practitioners have found the herb to help support erectile problems, libido and sexual vitality in men. It got its rather unique name from goat farmers who noticed its effects on goats after eating the leaves of the plant.
Scientific research has found the plant to contain a flavonoid compound called icariin, which has been found to have pro erectile effects through two different metabolic pathways; icariin has been found to inhibit the selective PDE5 enzyme as well as increasing nitric oxide, both these effects target blood flow into the penis supporting erection function.

WARNINGS AND CAUTIONS: Avoid with warfarin or during pregnancy.

Receptors for vitamin D are found throughout the male reproductive system and throughout the entire human body. Vitamin D has been commonly found to be deficient in the New Zealand population. Low Vitamin D status has been associated with lower testosterone levels and many other measures of poor health. Maintaining good vitamin D levels is vital for maintaining testosterone levels and overall vitality.

The biggest difference between vitamin D2 and. D3 is the way that they are metabolised in the body. A study published in the Journal of Endocrinology and Metabolism found that vitamin D3 was nearly twice as effective at increasing vitamin D levels in the blood compared to vitamin D2. For this reason, it’s generally recommended to select a vitamin D3 supplement whenever possible to optimise absorption.

Zinc is an essential trace element and is involved in many cellular reactions in the body as well as being a crucial nutrient needed as a cellular building block for tissue repair. It is important for growth and development, immunity, neurological function, reproduction and as an antioxidant.

For men it is necessary for the formation of sperm, the metabolism and synthesis of testosterone. Zinc deficiency is linked to erectile dysfunction. low testosterone or low sperm count.

Selenium is an essential trace element, which is often low in our natural diet as New Zealand’s soils typically contain low levels of this mineral.

Selenium’s main functions in the body include antioxidant protection, cell protection, immune system and thyroid health. In regard to men’s health, selenium is needed for the synthesis of testosterone and supports healthy fertility by targeting sperm maturation and motility.

Optimal levels of selenium are associated with cardiovascular health, healthy mood and immune function and longevity.