ProArgi-9+ is a classic complex supplement with l-arginine, the so-called complexer. The brand belongs to Synergy Worldwide and the manufacturer is Natures Sunshine Products (NSP) - a giant in the supplement industry, existing since the 1970s.

Daily portions of ProArgi-9+ are closed in neat sachets. One pack contains 30 such portions with a total weight of 295 grams. The contents of the sachets dissolve well in water. The manufacturer recommends using half to 1 cup. The taste is very good, fruity, quite sweet, although the supplement does not contain sugar, only stevia.

Each sachet of ProArgi-9+ contains 5 grams of L-Arginine and 0.2 grams of L-Citrulline. The addition of l-citrulline is very advantageous in terms of the duration of action of l-arginine. 

The supplement also offers a lot of ingredients supporting and supplementing the action of l-arginine and complementing various deficiencies in the body. It contains vitamins B6, B12, B9, C, D3 and K2 in doses that meet the daily requirement.

ProArgi-9+ contains a lot of fruit extracts, ensuring a pleasant taste and supplying the body with many necessary micronutrients. The non-alcoholic extract of red wine, grape skins and grape seeds is a source of valuable resveratrol. This compound has an antioxidant effect, positively influencing the cardiovascular system.

ProArgi-9+ also contains a natural anti-caking agent and small amounts of malic and citric acid. Stevia leaf extract was used as a sweetener. The product does not contain preservatives and artificial colors.

The composition of the supplement is rich and thoughtful. The manufacturer claims that it is the fruit of many years of research and continuous improvement. The amount of l-arginine per one daily dose is large and this is what most scientists consider to be optimal.

The supplier ensures that the plants producing the supplement in the United States meet a number of stringent standards and are the only ones in the rate with the NSF (independent, external auditor examining the quality of production in the USA) and GMP certification. In addition, the product is approved by the US agency for drugs and dietary supplements - FDA. Additionally, the ProArgi-9 + gained the approval of the Cologne List. This means that it does not contain substances prohibited in sports.