There are several active ingredients that can help a man stay in shape over time. Maintaining healthy hair, prostate health, maintaining and growing muscle mass remain among the topics of greatest interest to the male world. Hair loss is a phenomenon linked to various causes such as stress, seasonal changes, aggressive treatments, genetic factors or even vitamin deficiency and poor nutrition. In particular, with regard to nutrition, to have healthy hair it is important to follow a healthy diet and possibly resort to specific supplements for strengthening hair based on biotin, selenium, zinc and substances that are part of the hair structure such as keratin or sulfur amino acids. This is because hair is mainly made up of keratin. Keratin is a protein rich in sulfur amino acids that we can find in meat and fish. We can compare sulfur amino acids to "bricks" necessary for the synthesis of keratin, among the most important are: methionine, cysteine, taurine and arginine. According to some studies, Serenoa repens would also be useful for the treatment of hair loss, certainly, thanks to its properties it is often recommended to promote the normal functionality of the prostate and urinary tract. Serenoa repens is a plant of the Arecaceae family, also known as the American dwarf palm as it does not exceed 3 meters in size. Serenoa repens produces dark red berries, single-seeded and similar in size to olives. Several studies have been carried out on the extracts of its fruits from which it has been demonstrated that Serenoa repens is very rich in fatty acids and phytosterols . Native Americans consume the fruits of this plant as food and as a cure for a wide variety of problems related to the urinary system and the reproductive system. Even European settlers soon learned to use the dry extract for various pathologies such as tiredness, weakness, urogenital problems, etc. Finally, with advancing age, it is normal for muscle tone to be lost. The main support of muscles are amino acids as they play a fundamental role in the formation of proteins and therefore in the constitution and maintenance of muscles. It follows that one of the symptoms of amino acid deficiency is precisely the loss of muscle tone. There are 23 amino acids that are essential to our body, of these 8 are essential but cannot be synthesized, that is, the body is not able to "self-produce" them starting from proteins, consequently they must necessarily be introduced with food or with supplements. These 8 are: Lysine, Leucine, Isoleucine, Methionine, Tryptophan, Phenylalanine, Valine, Threonine. Taking protein-based supplements can therefore help maintain and grow muscle mass.